batch.handlers[callId] = null; 
dwr.engine._remoteHandleCallback = function(batchId, callId, reply) {  var batch = dwr.engine._batches[batchId];  if (batch == null) {    dwr.engine._debug("Warning: batch == null in remoteHandleCallback for batchId=" + batchId, true);    return;  }  // Error handlers inside here indicate an error that is nothing to do  // with DWR so we handle them differently.  try {    var handlers = batch.handlers[callId];    if (!handlers) {      dwr.engine._debug("Warning: Missing handlers. callId=" + callId, true);    }    else if (typeof handlers.callback == "function") handlers.callback(reply);  }  catch (ex) {    dwr.engine._handleError(batch, ex);  }};
266	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/266/45f97dca9c5dcca3a6efb373087e6ac519667b26/engine.js/buggy/java/org/directwebremoting/engine.js