001/** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.oozie.jms; 019 020import javax.jms.ExceptionListener; 021import javax.jms.JMSException; 022 023import org.apache.oozie.service.JMSAccessorService; 024import org.apache.oozie.service.Services; 025import org.apache.oozie.util.XLog; 026 027public class JMSExceptionListener implements ExceptionListener { 028 029 private static XLog LOG = XLog.getLog(JMSExceptionListener.class); 030 private JMSConnectionInfo connInfo; 031 private ConnectionContext connCtxt; 032 private boolean retry; 033 034 /** 035 * Create ExceptionLister for a JMS Connection 036 * 037 * @param connInfo Information to connect to the JMS compliant messaging service 038 * @param connCtxt The actual connection on which this listener will be registered 039 */ 040 public JMSExceptionListener(JMSConnectionInfo connInfo, ConnectionContext connCtxt, boolean retry) { 041 this.connInfo = connInfo; 042 this.connCtxt = connCtxt; 043 this.retry = retry; 044 } 045 046 @Override 047 public void onException(JMSException exception) { 048 LOG.warn("Received JMSException for [{0}]", connInfo, exception); 049 connCtxt.close(); 050 if (retry) { 051 JMSAccessorService jmsService = Services.get().get(JMSAccessorService.class); 052 jmsService.reestablishConnection(connInfo); 053 } 054 } 055 056}