title: hive 0.14 update and delete queries configuration error
body: <p>In apache <code>hive 0.14</code> we can update and delete queries by supporting <code>ACID</code> configuration: </p>
  
  <pre><code>hive.configuration:
  hive.support.concurrency – true
  hive.enforce.bucketing – true
  hive.exec.dynamic.partition.mode – nonstrict
  hive.txn.manager – org.apache.hadoop.hive.ql.lockmgr.DbTxnManager
  hive.compactor.initiator.on – true (for exactly one instance of the Thrift metastore service)
  hive.compactor.worker.threads-1
  </code></pre>
  
  <p>But I get the following error when I use hiveQL <code>show databases</code>:</p>
  
  <pre><code>as@ubuntu:~$ hive
  Logging initialized using configuration in jar:file:/home/as/hive/lib/hive-common-0.14.0.jar!/hive-log4j.properties&lt;br&gt;
  SLF4J: Class path contains multiple SLF4J bindings.&lt;br&gt;
  SLF4J: Found binding in [jar:file:/home/as/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]&lt;br&gt;
  SLF4J: Found binding in [jar:file:/home/as/hive/lib/hive-jdbc-0.14.0-standalone.jar!/org/slf4j/impl/StaticLoggerBinder.class]&lt;br&gt;
  SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.&lt;br&gt;
  SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]&lt;br&gt;
  hive&gt; show databases;&lt;br&gt;
  FAILED: LockException [Error 10280]: Error communicating with the metastore&lt;br&gt;
  hive&gt; exit;
  &lt;br&gt;
  </code></pre>
  
  <p>Please help me fix error.</p>