<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> I have searched the <a href="https://github.com/apache/incubator-dubbo/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> I have checked the <a href="https://github.com/apache/incubator-dubbo/blob/master/FAQ.md">FAQ</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h3 dir="auto">Environment</h3>
<ul dir="auto">
<li>Dubbo version: xxx</li>
<li>Operating System version: xxx</li>
<li>Java version: xxx</li>
</ul>
<h3 dir="auto">Steps to reproduce this issue</h3>
<p dir="auto">I have repeatedly received many robot emails just now.I wonder if there is something wrong with the robot.One more suggestion, could it be configured to send conflict messages only to the submitter? I think it's unnecessary to push it to people who aren't paying attention to them</p>
<p dir="auto">Pls. provide [GitHub address] to reproduce this issue.</p>
<h3 dir="auto">Expected Result</h3>
<p dir="auto">What do you expected from the above steps？</p>
<h3 dir="auto">Actual Result</h3>
<p dir="auto">What actually happens?</p>
<p dir="auto">If there is an exception, please attach the exception trace:</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="Just put your stack trace here!"><pre class="notranslate"><code class="notranslate">Just put your stack trace here!
</code></pre></div>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have searched the <a href="https://github.com/apache/incubator-dubbo/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have checked the <a href="https://github.com/apache/incubator-dubbo/blob/master/FAQ.md">FAQ</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h3 dir="auto">Environment</h3>
<ul dir="auto">
<li>Dubbo version: 2.6.2</li>
<li>Operating System version: win10</li>
<li>Java version: 1.8</li>
</ul>
<h3 dir="auto">Steps to reproduce this issue</h3>
<ol dir="auto">
<li>spring项目用rmi协议启动服务</li>
<li>spring项目的客户端调用该服务正常</li>
<li>非spring项目的客户端调用该服务出错</li>
<li>重复第1步用dubbo默认协议启动服务</li>
<li>重复3调用正常</li>
</ol>
<p dir="auto">Pls. provide [GitHub address] to reproduce this issue.</p>
<h3 dir="auto">Expected Result</h3>
<p dir="auto">调用正常返回结果</p>
<h3 dir="auto">Actual Result</h3>
<p dir="auto">调用失败</p>
<p dir="auto">If there is an exception, please attach the exception trace:</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="2018-09-14 09:40:27,515 INFO  org.apache.struts.tiles.TilesRequestProcessor - Get Connection Succeed
2018-09-14 09:40:27,546 INFO  com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry -  [DUBBO] Register: consumer://192.168.20.30/com.paradm.docview.remote.core.IDocviewRemoteService?application=paradm-dubbo-consumer&amp;category=consumers&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525, dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,583 INFO  com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry -  [DUBBO] Subscribe: consumer://192.168.20.30/com.paradm.docview.remote.core.IDocviewRemoteService?application=paradm-dubbo-consumer&amp;category=providers,configurators,routers&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525, dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,676 INFO  com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry -  [DUBBO] Notify urls for subscribe url consumer://192.168.20.30/com.paradm.docview.remote.core.IDocviewRemoteService?application=paradm-dubbo-consumer&amp;category=providers,configurators,routers&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525, urls: [rmi://192.168.20.55:20889/com.paradm.docview.remote.core.IDocviewRemoteService?anyhost=true&amp;application=dubbo&amp;dubbo=2.6.2&amp;generic=false&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,createDvTaskWithThumb,deleteDmsAnnotationDigitalSignature,createAnnotationComment,updateAnnotationComment,createTask,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,getTask,downloadImage,getDmsAnnotationList,createDmsAnnotationDigitalSignature&amp;pid=2572&amp;revision=3.0.1&amp;side=provider&amp;timestamp=1536821513478, empty://192.168.20.30/com.paradm.docview.remote.core.IDocviewRemoteService?application=paradm-dubbo-consumer&amp;category=configurators&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525, empty://192.168.20.30/com.paradm.docview.remote.core.IDocviewRemoteService?application=paradm-dubbo-consumer&amp;category=routers&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525], dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,677 ERROR com.alibaba.dubbo.registry.integration.RegistryDirectory - Unsupported protocol rmi in notified url: rmi://192.168.20.55:20889/com.paradm.docview.remote.core.IDocviewRemoteService?anyhost=true&amp;application=dubbo&amp;dubbo=2.6.2&amp;generic=false&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,createDvTaskWithThumb,deleteDmsAnnotationDigitalSignature,createAnnotationComment,updateAnnotationComment,createTask,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,getTask,downloadImage,getDmsAnnotationList,createDmsAnnotationDigitalSignature&amp;pid=2572&amp;revision=3.0.1&amp;side=provider&amp;timestamp=1536821513478 from registry 192.168.23.55:2181 to consumer 192.168.20.30, supported protocol: [dubbo, injvm, mock, redis, registry, thrift]
java.lang.IllegalStateException: Unsupported protocol rmi in notified url: rmi://192.168.20.55:20889/com.paradm.docview.remote.core.IDocviewRemoteService?anyhost=true&amp;application=dubbo&amp;dubbo=2.6.2&amp;generic=false&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,createDvTaskWithThumb,deleteDmsAnnotationDigitalSignature,createAnnotationComment,updateAnnotationComment,createTask,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,getTask,downloadImage,getDmsAnnotationList,createDmsAnnotationDigitalSignature&amp;pid=2572&amp;revision=3.0.1&amp;side=provider&amp;timestamp=1536821513478 from registry 192.168.23.55:2181 to consumer 192.168.20.30, supported protocol: [dubbo, injvm, mock, redis, registry, thrift]
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.toInvokers(RegistryDirectory.java:364)
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.refreshInvoker(RegistryDirectory.java:253)
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.notify(RegistryDirectory.java:223)
	at com.alibaba.dubbo.registry.support.AbstractRegistry.notify(AbstractRegistry.java:414)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.doNotify(FailbackRegistry.java:274)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.notify(FailbackRegistry.java:260)
	at com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry.doSubscribe(ZookeeperRegistry.java:190)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.subscribe(FailbackRegistry.java:190)
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.subscribe(RegistryDirectory.java:159)
	at com.alibaba.dubbo.registry.integration.RegistryProtocol.doRefer(RegistryProtocol.java:305)
	at com.alibaba.dubbo.registry.integration.RegistryProtocol.refer(RegistryProtocol.java:286)
	at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:106)
	at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:65)
	at com.alibaba.dubbo.qos.protocol.QosProtocolWrapper.refer(QosProtocolWrapper.java:63)
	at com.alibaba.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
	at com.alibaba.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:394)
	at com.alibaba.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:333)
	at com.alibaba.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:163)
	at com.alibaba.dubbo.config.utils.ReferenceConfigCache.get(ReferenceConfigCache.java:115)
	at com.dcivision.workspace.common.RemoteServiceConfig.getBean(RemoteServiceConfig.java:168)
	at com.dcivision.workspace.common.RemoteServiceManager.getDvRemoteService(RemoteServiceManager.java:68)
	at com.dcivision.workspace.web.DocumentViewerAction.init(DocumentViewerAction.java:79)
	at com.dcivision.framework.web.AbstractMaintAction.execute(AbstractMaintAction.java:199)
	at com.dcivision.workspace.web.DocumentViewerAction.execute(DocumentViewerAction.java:69)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
	at com.dcivision.framework.MainRequestProcessor.processActionPerform(MainRequestProcessor.java:329)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
	at com.dcivision.framework.MainRequestProcessor.process(MainRequestProcessor.java:273)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1495)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:520)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.dcivision.framework.web.LoginFilter.doFilter(LoginFilter.java:180)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
2018-09-14 09:40:27,677 ERROR com.alibaba.dubbo.registry.integration.RegistryDirectory - urls to invokers error .invokerUrls.size :1, invoker.size :0. urls :[rmi://192.168.20.55:20889/com.paradm.docview.remote.core.IDocviewRemoteService?anyhost=true&amp;application=dubbo&amp;dubbo=2.6.2&amp;generic=false&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,createDvTaskWithThumb,deleteDmsAnnotationDigitalSignature,createAnnotationComment,updateAnnotationComment,createTask,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,getTask,downloadImage,getDmsAnnotationList,createDmsAnnotationDigitalSignature&amp;pid=2572&amp;revision=3.0.1&amp;side=provider&amp;timestamp=1536821513478]
java.lang.IllegalStateException: urls to invokers error .invokerUrls.size :1, invoker.size :0. urls :[rmi://192.168.20.55:20889/com.paradm.docview.remote.core.IDocviewRemoteService?anyhost=true&amp;application=dubbo&amp;dubbo=2.6.2&amp;generic=false&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,createDvTaskWithThumb,deleteDmsAnnotationDigitalSignature,createAnnotationComment,updateAnnotationComment,createTask,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,getTask,downloadImage,getDmsAnnotationList,createDmsAnnotationDigitalSignature&amp;pid=2572&amp;revision=3.0.1&amp;side=provider&amp;timestamp=1536821513478]
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.refreshInvoker(RegistryDirectory.java:258)
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.notify(RegistryDirectory.java:223)
	at com.alibaba.dubbo.registry.support.AbstractRegistry.notify(AbstractRegistry.java:414)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.doNotify(FailbackRegistry.java:274)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.notify(FailbackRegistry.java:260)
	at com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry.doSubscribe(ZookeeperRegistry.java:190)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.subscribe(FailbackRegistry.java:190)
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.subscribe(RegistryDirectory.java:159)
	at com.alibaba.dubbo.registry.integration.RegistryProtocol.doRefer(RegistryProtocol.java:305)
	at com.alibaba.dubbo.registry.integration.RegistryProtocol.refer(RegistryProtocol.java:286)
	at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:106)
	at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:65)
	at com.alibaba.dubbo.qos.protocol.QosProtocolWrapper.refer(QosProtocolWrapper.java:63)
	at com.alibaba.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
	at com.alibaba.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:394)
	at com.alibaba.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:333)
	at com.alibaba.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:163)
	at com.alibaba.dubbo.config.utils.ReferenceConfigCache.get(ReferenceConfigCache.java:115)
	at com.dcivision.workspace.common.RemoteServiceConfig.getBean(RemoteServiceConfig.java:168)
	at com.dcivision.workspace.common.RemoteServiceManager.getDvRemoteService(RemoteServiceManager.java:68)
	at com.dcivision.workspace.web.DocumentViewerAction.init(DocumentViewerAction.java:79)
	at com.dcivision.framework.web.AbstractMaintAction.execute(AbstractMaintAction.java:199)
	at com.dcivision.workspace.web.DocumentViewerAction.execute(DocumentViewerAction.java:69)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
	at com.dcivision.framework.MainRequestProcessor.processActionPerform(MainRequestProcessor.java:329)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
	at com.dcivision.framework.MainRequestProcessor.process(MainRequestProcessor.java:273)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1495)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:520)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.dcivision.framework.web.LoginFilter.doFilter(LoginFilter.java:180)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
2018-09-14 09:40:27,678 INFO  com.alibaba.dubbo.config.AbstractConfig -  [DUBBO] Refer dubbo service com.paradm.docview.remote.core.IDocviewRemoteService from url zookeeper://192.168.23.55:2181/com.alibaba.dubbo.registry.RegistryService?application=paradm-dubbo-consumer&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;register.ip=192.168.20.30&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525, dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,707 DEBUG com.alibaba.dubbo.remoting.transport.DecodeHandler -  [DUBBO] Decode decodeable message com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcResult, dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,747 DEBUG com.alibaba.dubbo.remoting.transport.DecodeHandler -  [DUBBO] Decode decodeable message com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcResult, dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,748 ERROR com.dcivision.workspace.core.WspDocumentManager - Failed to invoke the method getTask in the service com.paradm.docview.remote.core.IDocviewRemoteService. No provider available for the service com.paradm.docview.remote.core.IDocviewRemoteService from registry 192.168.23.55:2181 on the consumer 192.168.20.30 using the dubbo version 2.6.2. Please check if the providers have been started and registered.
com.alibaba.dubbo.rpc.RpcException: Failed to invoke the method getTask in the service com.paradm.docview.remote.core.IDocviewRemoteService. No provider available for the service com.paradm.docview.remote.core.IDocviewRemoteService from registry 192.168.23.55:2181 on the consumer 192.168.20.30 using the dubbo version 2.6.2. Please check if the providers have been started and registered.
	at com.alibaba.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:257)
	at com.alibaba.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:56)
	at com.alibaba.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:238)
	at com.alibaba.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:75)
	at com.alibaba.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:52)
	at com.alibaba.dubbo.common.bytecode.proxy1.getTask(proxy1.java)
	at com.dcivision.workspace.core.WspDocumentManager.getDocviewTaskRemoteBean(WspDocumentManager.java:1213)
	at com.dcivision.workspace.web.DocumentViewerAction.init(DocumentViewerAction.java:84)
	at com.dcivision.framework.web.AbstractMaintAction.execute(AbstractMaintAction.java:199)
	at com.dcivision.workspace.web.DocumentViewerAction.execute(DocumentViewerAction.java:69)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
	at com.dcivision.framework.MainRequestProcessor.processActionPerform(MainRequestProcessor.java:329)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
	at com.dcivision.framework.MainRequestProcessor.process(MainRequestProcessor.java:273)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1495)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:520)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.dcivision.framework.web.LoginFilter.doFilter(LoginFilter.java:180)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)"><pre class="notranslate"><code class="notranslate">2018-09-14 09:40:27,515 INFO  org.apache.struts.tiles.TilesRequestProcessor - Get Connection Succeed
2018-09-14 09:40:27,546 INFO  com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry -  [DUBBO] Register: consumer://192.168.20.30/com.paradm.docview.remote.core.IDocviewRemoteService?application=paradm-dubbo-consumer&amp;category=consumers&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525, dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,583 INFO  com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry -  [DUBBO] Subscribe: consumer://192.168.20.30/com.paradm.docview.remote.core.IDocviewRemoteService?application=paradm-dubbo-consumer&amp;category=providers,configurators,routers&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525, dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,676 INFO  com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry -  [DUBBO] Notify urls for subscribe url consumer://192.168.20.30/com.paradm.docview.remote.core.IDocviewRemoteService?application=paradm-dubbo-consumer&amp;category=providers,configurators,routers&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525, urls: [rmi://192.168.20.55:20889/com.paradm.docview.remote.core.IDocviewRemoteService?anyhost=true&amp;application=dubbo&amp;dubbo=2.6.2&amp;generic=false&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,createDvTaskWithThumb,deleteDmsAnnotationDigitalSignature,createAnnotationComment,updateAnnotationComment,createTask,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,getTask,downloadImage,getDmsAnnotationList,createDmsAnnotationDigitalSignature&amp;pid=2572&amp;revision=3.0.1&amp;side=provider&amp;timestamp=1536821513478, empty://192.168.20.30/com.paradm.docview.remote.core.IDocviewRemoteService?application=paradm-dubbo-consumer&amp;category=configurators&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525, empty://192.168.20.30/com.paradm.docview.remote.core.IDocviewRemoteService?application=paradm-dubbo-consumer&amp;category=routers&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525], dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,677 ERROR com.alibaba.dubbo.registry.integration.RegistryDirectory - Unsupported protocol rmi in notified url: rmi://192.168.20.55:20889/com.paradm.docview.remote.core.IDocviewRemoteService?anyhost=true&amp;application=dubbo&amp;dubbo=2.6.2&amp;generic=false&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,createDvTaskWithThumb,deleteDmsAnnotationDigitalSignature,createAnnotationComment,updateAnnotationComment,createTask,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,getTask,downloadImage,getDmsAnnotationList,createDmsAnnotationDigitalSignature&amp;pid=2572&amp;revision=3.0.1&amp;side=provider&amp;timestamp=1536821513478 from registry 192.168.23.55:2181 to consumer 192.168.20.30, supported protocol: [dubbo, injvm, mock, redis, registry, thrift]
java.lang.IllegalStateException: Unsupported protocol rmi in notified url: rmi://192.168.20.55:20889/com.paradm.docview.remote.core.IDocviewRemoteService?anyhost=true&amp;application=dubbo&amp;dubbo=2.6.2&amp;generic=false&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,createDvTaskWithThumb,deleteDmsAnnotationDigitalSignature,createAnnotationComment,updateAnnotationComment,createTask,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,getTask,downloadImage,getDmsAnnotationList,createDmsAnnotationDigitalSignature&amp;pid=2572&amp;revision=3.0.1&amp;side=provider&amp;timestamp=1536821513478 from registry 192.168.23.55:2181 to consumer 192.168.20.30, supported protocol: [dubbo, injvm, mock, redis, registry, thrift]
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.toInvokers(RegistryDirectory.java:364)
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.refreshInvoker(RegistryDirectory.java:253)
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.notify(RegistryDirectory.java:223)
	at com.alibaba.dubbo.registry.support.AbstractRegistry.notify(AbstractRegistry.java:414)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.doNotify(FailbackRegistry.java:274)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.notify(FailbackRegistry.java:260)
	at com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry.doSubscribe(ZookeeperRegistry.java:190)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.subscribe(FailbackRegistry.java:190)
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.subscribe(RegistryDirectory.java:159)
	at com.alibaba.dubbo.registry.integration.RegistryProtocol.doRefer(RegistryProtocol.java:305)
	at com.alibaba.dubbo.registry.integration.RegistryProtocol.refer(RegistryProtocol.java:286)
	at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:106)
	at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:65)
	at com.alibaba.dubbo.qos.protocol.QosProtocolWrapper.refer(QosProtocolWrapper.java:63)
	at com.alibaba.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
	at com.alibaba.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:394)
	at com.alibaba.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:333)
	at com.alibaba.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:163)
	at com.alibaba.dubbo.config.utils.ReferenceConfigCache.get(ReferenceConfigCache.java:115)
	at com.dcivision.workspace.common.RemoteServiceConfig.getBean(RemoteServiceConfig.java:168)
	at com.dcivision.workspace.common.RemoteServiceManager.getDvRemoteService(RemoteServiceManager.java:68)
	at com.dcivision.workspace.web.DocumentViewerAction.init(DocumentViewerAction.java:79)
	at com.dcivision.framework.web.AbstractMaintAction.execute(AbstractMaintAction.java:199)
	at com.dcivision.workspace.web.DocumentViewerAction.execute(DocumentViewerAction.java:69)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
	at com.dcivision.framework.MainRequestProcessor.processActionPerform(MainRequestProcessor.java:329)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
	at com.dcivision.framework.MainRequestProcessor.process(MainRequestProcessor.java:273)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1495)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:520)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.dcivision.framework.web.LoginFilter.doFilter(LoginFilter.java:180)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
2018-09-14 09:40:27,677 ERROR com.alibaba.dubbo.registry.integration.RegistryDirectory - urls to invokers error .invokerUrls.size :1, invoker.size :0. urls :[rmi://192.168.20.55:20889/com.paradm.docview.remote.core.IDocviewRemoteService?anyhost=true&amp;application=dubbo&amp;dubbo=2.6.2&amp;generic=false&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,createDvTaskWithThumb,deleteDmsAnnotationDigitalSignature,createAnnotationComment,updateAnnotationComment,createTask,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,getTask,downloadImage,getDmsAnnotationList,createDmsAnnotationDigitalSignature&amp;pid=2572&amp;revision=3.0.1&amp;side=provider&amp;timestamp=1536821513478]
java.lang.IllegalStateException: urls to invokers error .invokerUrls.size :1, invoker.size :0. urls :[rmi://192.168.20.55:20889/com.paradm.docview.remote.core.IDocviewRemoteService?anyhost=true&amp;application=dubbo&amp;dubbo=2.6.2&amp;generic=false&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,createDvTaskWithThumb,deleteDmsAnnotationDigitalSignature,createAnnotationComment,updateAnnotationComment,createTask,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,getTask,downloadImage,getDmsAnnotationList,createDmsAnnotationDigitalSignature&amp;pid=2572&amp;revision=3.0.1&amp;side=provider&amp;timestamp=1536821513478]
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.refreshInvoker(RegistryDirectory.java:258)
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.notify(RegistryDirectory.java:223)
	at com.alibaba.dubbo.registry.support.AbstractRegistry.notify(AbstractRegistry.java:414)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.doNotify(FailbackRegistry.java:274)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.notify(FailbackRegistry.java:260)
	at com.alibaba.dubbo.registry.zookeeper.ZookeeperRegistry.doSubscribe(ZookeeperRegistry.java:190)
	at com.alibaba.dubbo.registry.support.FailbackRegistry.subscribe(FailbackRegistry.java:190)
	at com.alibaba.dubbo.registry.integration.RegistryDirectory.subscribe(RegistryDirectory.java:159)
	at com.alibaba.dubbo.registry.integration.RegistryProtocol.doRefer(RegistryProtocol.java:305)
	at com.alibaba.dubbo.registry.integration.RegistryProtocol.refer(RegistryProtocol.java:286)
	at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:106)
	at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:65)
	at com.alibaba.dubbo.qos.protocol.QosProtocolWrapper.refer(QosProtocolWrapper.java:63)
	at com.alibaba.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
	at com.alibaba.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:394)
	at com.alibaba.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:333)
	at com.alibaba.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:163)
	at com.alibaba.dubbo.config.utils.ReferenceConfigCache.get(ReferenceConfigCache.java:115)
	at com.dcivision.workspace.common.RemoteServiceConfig.getBean(RemoteServiceConfig.java:168)
	at com.dcivision.workspace.common.RemoteServiceManager.getDvRemoteService(RemoteServiceManager.java:68)
	at com.dcivision.workspace.web.DocumentViewerAction.init(DocumentViewerAction.java:79)
	at com.dcivision.framework.web.AbstractMaintAction.execute(AbstractMaintAction.java:199)
	at com.dcivision.workspace.web.DocumentViewerAction.execute(DocumentViewerAction.java:69)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
	at com.dcivision.framework.MainRequestProcessor.processActionPerform(MainRequestProcessor.java:329)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
	at com.dcivision.framework.MainRequestProcessor.process(MainRequestProcessor.java:273)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1495)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:520)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.dcivision.framework.web.LoginFilter.doFilter(LoginFilter.java:180)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
2018-09-14 09:40:27,678 INFO  com.alibaba.dubbo.config.AbstractConfig -  [DUBBO] Refer dubbo service com.paradm.docview.remote.core.IDocviewRemoteService from url zookeeper://192.168.23.55:2181/com.alibaba.dubbo.registry.RegistryService?application=paradm-dubbo-consumer&amp;check=false&amp;dubbo=2.6.2&amp;interface=com.paradm.docview.remote.core.IDocviewRemoteService&amp;methods=deleteDmsAnnotation,deleteAnnotationComment,deleteDmsAnnotationDigitalSignature,createDvTaskWithThumb,createAnnotationComment,updateAnnotationComment,createDmsAnnotation,updateDmsAnnotation,raiseTaskPriority,createTask,getTask,createDmsAnnotationDigitalSignature,getDmsAnnotationList,downloadImage&amp;pid=13852&amp;register.ip=192.168.20.30&amp;revision=3.0.1&amp;side=consumer&amp;timestamp=1536889227525, dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,707 DEBUG com.alibaba.dubbo.remoting.transport.DecodeHandler -  [DUBBO] Decode decodeable message com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcResult, dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,747 DEBUG com.alibaba.dubbo.remoting.transport.DecodeHandler -  [DUBBO] Decode decodeable message com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcResult, dubbo version: 2.6.2, current host: 192.168.20.30
2018-09-14 09:40:27,748 ERROR com.dcivision.workspace.core.WspDocumentManager - Failed to invoke the method getTask in the service com.paradm.docview.remote.core.IDocviewRemoteService. No provider available for the service com.paradm.docview.remote.core.IDocviewRemoteService from registry 192.168.23.55:2181 on the consumer 192.168.20.30 using the dubbo version 2.6.2. Please check if the providers have been started and registered.
com.alibaba.dubbo.rpc.RpcException: Failed to invoke the method getTask in the service com.paradm.docview.remote.core.IDocviewRemoteService. No provider available for the service com.paradm.docview.remote.core.IDocviewRemoteService from registry 192.168.23.55:2181 on the consumer 192.168.20.30 using the dubbo version 2.6.2. Please check if the providers have been started and registered.
	at com.alibaba.dubbo.rpc.cluster.support.AbstractClusterInvoker.checkInvokers(AbstractClusterInvoker.java:257)
	at com.alibaba.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:56)
	at com.alibaba.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:238)
	at com.alibaba.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:75)
	at com.alibaba.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:52)
	at com.alibaba.dubbo.common.bytecode.proxy1.getTask(proxy1.java)
	at com.dcivision.workspace.core.WspDocumentManager.getDocviewTaskRemoteBean(WspDocumentManager.java:1213)
	at com.dcivision.workspace.web.DocumentViewerAction.init(DocumentViewerAction.java:84)
	at com.dcivision.framework.web.AbstractMaintAction.execute(AbstractMaintAction.java:199)
	at com.dcivision.workspace.web.DocumentViewerAction.execute(DocumentViewerAction.java:69)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
	at com.dcivision.framework.MainRequestProcessor.processActionPerform(MainRequestProcessor.java:329)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
	at com.dcivision.framework.MainRequestProcessor.process(MainRequestProcessor.java:273)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1495)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:520)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at com.dcivision.framework.web.LoginFilter.doFilter(LoginFilter.java:180)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:436)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
</code></pre></div>