Description
My goal is to send log messages via a JMS Queue unless the message broker is down, when I simple want send the logs to the Console.
I configured a failover appender for this purpose:
:
<appenders>
...
<JMSQueue name="LiffLog4j2Queue" queueBindingName="Log4j2Queue" factoryBindingName="QueueConnectionFactory"/>
<Failover name="FailoverLiffLog4j2Queue" primary="LiffLog4j2Queue" suppressExceptions="false">
<Failovers>
<appender-ref ref="Console"/>
</Failovers>
</Failover>
</appenders>
<loggers>
<root level="debug">
<appender-ref ref="FailoverLiffLog4j2Queue"/>
</root>
All works as expected when the message broker is up.
When I shut down the message broker while running my application, instead of the log message I get this message to my console :
2012-11-21 21:51:15,726 ERROR Could not publish message via JMS JMSQueue:QueueConnectionFactory.Log4j2Queue
Using a failover appender I expected to get the log messages on the console.
Also tried to start my application without ever starting message broker. In this case it correctly fails to connect :
2012-11-21 22:10:08,315 DEBUG Calling createAppender on class org.apache.logging.log4j.core.appender.JMSQueueAppender for element JMSQueue with params(name="LiffLog4j2Queue", factoryName="null", providerURL="null", urlPkgPrefixes="null", securityPrincipalName="null", securityCredentials="null", factoryBindingName="QueueConnectionFactory", queueBindingName="Log4j2Queue", userName="null", password="null", null, null, suppressExceptions="null")
2012-11-21 22:10:10,167 ERROR Unable to establish connection javax.jms.JMSException: Could not connect to broker URL: tcp://localhost:61616. Reason: java.net.ConnectException: Connection refused: connect
at org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:35)
at org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:293)
at org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:238)
at org.apache.activemq.ActiveMQConnectionFactory.createQueueConnection(ActiveMQConnectionFactory.java:199)
at org.apache.logging.log4j.core.net.JMSQueueManager$JMSQueueManagerFactory.createManager(JMSQueueManager.java:152)
at org.apache.logging.log4j.core.net.JMSQueueManager$JMSQueueManagerFactory.createManager(JMSQueueManager.java:141)
at org.apache.logging.log4j.core.appender.AbstractManager.getManager(AbstractManager.java:68)
at org.apache.logging.log4j.core.net.JMSQueueManager.getJMSQueueManager(JMSQueueManager.java:86)
at org.apache.logging.log4j.core.appender.JMSQueueAppender.createAppender(JMSQueueAppender.java:94)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.logging.log4j.core.config.BaseConfiguration.createPluginObject(BaseConfiguration.java:711)
at org.apache.logging.log4j.core.config.BaseConfiguration.createConfiguration(BaseConfiguration.java:477)
at org.apache.logging.log4j.core.config.BaseConfiguration.createConfiguration(BaseConfiguration.java:469)
at org.apache.logging.log4j.core.config.BaseConfiguration.doConfigure(BaseConfiguration.java:156)
at org.apache.logging.log4j.core.config.BaseConfiguration.start(BaseConfiguration.java:114)
at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:251)
at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:267)
at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:134)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:75)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:30)
at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:165)
at com.szabi.experiment.gui.Liff.<clinit>(Liff.java:16)
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at org.apache.activemq.transport.tcp.TcpTransport.connect(TcpTransport.java:504)
at org.apache.activemq.transport.tcp.TcpTransport.doStart(TcpTransport.java:467)
at org.apache.activemq.util.ServiceSupport.start(ServiceSupport.java:55)
at org.apache.activemq.transport.AbstractInactivityMonitor.start(AbstractInactivityMonitor.java:132)
at org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:58)
at org.apache.activemq.transport.WireFormatNegotiator.start(WireFormatNegotiator.java:72)
at org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:58)
at org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:58)
at org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:273)
... 23 more
2012-11-21 22:10:10,177 ERROR Unable to invoke method createAppender in class org.apache.logging.log4j.core.appender.JMSQueueAppender for element JMSQueue java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.logging.log4j.core.config.BaseConfiguration.createPluginObject(BaseConfiguration.java:711)
at org.apache.logging.log4j.core.config.BaseConfiguration.createConfiguration(BaseConfiguration.java:477)
at org.apache.logging.log4j.core.config.BaseConfiguration.createConfiguration(BaseConfiguration.java:469)
at org.apache.logging.log4j.core.config.BaseConfiguration.doConfigure(BaseConfiguration.java:156)
at org.apache.logging.log4j.core.config.BaseConfiguration.start(BaseConfiguration.java:114)
at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:251)
at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:267)
at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:134)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:75)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:30)
at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:165)
at com.szabi.experiment.gui.Liff.<clinit>(Liff.java:16)
Caused by: java.lang.IllegalStateException: Unable to create a manager
at org.apache.logging.log4j.core.appender.AbstractManager.getManager(AbstractManager.java:70)
at org.apache.logging.log4j.core.net.JMSQueueManager.getJMSQueueManager(JMSQueueManager.java:86)
at org.apache.logging.log4j.core.appender.JMSQueueAppender.createAppender(JMSQueueAppender.java:94)
... 16 more
BUT shortly afterwards my application exits with :
2012-11-21 22:10:10,238 ERROR Unable to locate primary Appender LiffLog4j2Queue
2012-11-21 22:10:10,239 DEBUG Reconfiguration completed
2012-11-21 22:10:10,277 ERROR Attempted to append to non-started appender FailoverLiffLog4j2Queue
2012-11-21 22:10:10,288 ERROR Attempted to append to non-started appender FailoverLiffLog4j2Queue
2012-11-21 22:10:10,292 DEBUG Shutting down FileManager output/experiment.log
Exception in thread "main" org.apache.logging.log4j.core.appender.AppenderRuntimeException: Attempted to append to non-started appender FailoverLiffLog4j2Queue
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:88)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:335)
As it can not find primary appender (JMSQueue) it can not start the failover appender either.