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https://issues.apache.org/jira/browse/LOG4J2-126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13541600#comment-13541600
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Ralph Goers edited comment on LOG4J2-126 at 1/1/13 7:32 PM:
------------------------------------------------------------
Actually, I suspect both case 1 and 2 are operating the same way. The
difference is that when the connection is initially not available the appender
tries to reconnect on every event. When the connection is initially available
and fails it is not clearing the connection information and so keeps trying to
send to the broken connection (which will fail) and then fails over to the
failover.
was (Author: [email protected]):
Actually, I suspect both case 1 and 2 are operating the same way. The
difference is that when the connection is initially not available the appender
tries to reconnect on every event. When the connection is initially available
and fails it is not clearly the connection information and so keeps trying to
send to the broken connection (which will fail) and then fails over to the
failover.
> Failover appender doesn't fail over on JMS Queue appender error
> ---------------------------------------------------------------
>
> Key: LOG4J2-126
> URL: https://issues.apache.org/jira/browse/LOG4J2-126
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Affects Versions: 2.0-beta4
> Reporter: Szabolcs Beki
> Assignee: Ralph Goers
> Fix For: 2.0-beta4
>
>
> 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.
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