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From "Ralph Goers (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (LOG4J2-126) Failover appender doesn't fail over on JMS Queue appender error
Date Sat, 01 Dec 2012 18:53:58 GMT

     [ https://issues.apache.org/jira/browse/LOG4J2-126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ralph Goers resolved LOG4J2-126.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 2.0-beta4
         Assignee: Ralph Goers

The JMS Queue and Topic appenders will now initialize even if the queue or topic is unavailable
and will retry the connection. Failover works as long as supressExceptions is set to false.
 Please verify and close.
                
> 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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