/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.uima.jms.error.handler;
import java.net.ConnectException;
import javax.jms.JMSException;
import org.apache.uima.aae.InProcessCache.CacheEntry;
import org.apache.uima.aae.controller.AggregateAnalysisEngineController;
import org.apache.uima.aae.controller.AnalysisEngineController;
import org.apache.uima.aae.controller.Endpoint;
import org.apache.uima.aae.controller.PrimitiveAnalysisEngineController;
import org.apache.uima.aae.error.AsynchAEException;
import org.apache.uima.aae.error.ErrorContext;
import org.apache.uima.aae.error.ErrorHandler;
import org.apache.uima.aae.error.ErrorHandlerBase;
import org.apache.uima.aae.message.AsynchAEMessage;
public class JMSExceptionHandler extends ErrorHandlerBase implements ErrorHandler
{
public boolean handleError(Throwable t, ErrorContext anErrorContext, AnalysisEngineController aController)
{
if ( t instanceof JMSException )
{
Throwable cause = t.getCause();
boolean handled = false;
if ( cause != null )
{
if ( cause instanceof ConnectException )
{
handleConnectError((ConnectException)cause, anErrorContext, aController);
handled = true;
}
}
if ( !handled )
{
if ( cause == null )
{
System.out.println("No Handler for JMS Exception Cause ::"+t.getLocalizedMessage());
}
else
{
System.out.println("No Handler for JMS Exception Cause ::"+cause.getLocalizedMessage());
}
t.printStackTrace();
}
return true;
}
else if (t instanceof java.lang.IllegalArgumentException &&
t.getCause() != null && t.getCause() instanceof java.net.URISyntaxException)
{
// Handled invalid syntax in the URI
System.out.println("Invalid JMS Destination::"+t.getMessage());
return true;
}
return false;
}
private void handleConnectError( ConnectException exception, ErrorContext anErrorContext, AnalysisEngineController aController)
{
System.out.println("Handling JMS Connect Exception Due To::"+exception.getLocalizedMessage());
System.out.println("Exception Cause::"+exception.getClass().getName()+":::Message::"+exception.getLocalizedMessage());
String casReferenceId = (String)anErrorContext.get(AsynchAEMessage.CasReference);
Endpoint endpoint = (Endpoint)anErrorContext.get(AsynchAEMessage.Endpoint);
// If this is a PrimitiveController and not collocated with its aggregate
// drop the CAS
if ( !( aController instanceof AggregateAnalysisEngineController ) )
{
CacheEntry entry = null;
try
{
entry = aController.getInProcessCache().getCacheEntryForCAS(casReferenceId);
if ( endpoint.isRemote() && entry != null )
{
aController.dropCAS(casReferenceId, true );
}
}
catch( AsynchAEException e)
{
System.out.println("Cas:"+casReferenceId+" Not Found In the Cache.");
}
}
}
}