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https://issues.apache.org/jira/browse/LOG4J2-2767?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ralph Goers resolved LOG4J2-2767.
---------------------------------
Fix Version/s: 2.13.1
Resolution: Fixed
> NPE in RoutingAppender without pattern
> --------------------------------------
>
> Key: LOG4J2-2767
> URL: https://issues.apache.org/jira/browse/LOG4J2-2767
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Reporter: Christoph Kaser
> Assignee: Ralph Goers
> Priority: Major
> Fix For: 2.13.1
>
>
> When I create a RoutingAppender that only has one route and no pattern in the
> Routes element, I get a NPE as soon as an entry is written into the appender:
> {noformat}
> org.apache.logging.log4j.core.appender.AppenderLoggingException: An exception
> occurred processing Appender Routing at
> org.apache.logging.log4j.core.appender.DefaultErrorHandler.error(DefaultErrorHandler.java:93)
> at
> org.apache.logging.log4j.core.config.AppenderControl.handleAppenderError(AppenderControl.java:165)
> at
> org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:158)
> at
> org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
> at
> org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
> at
> org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:508)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:468)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:451)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:426)
> at
> org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:82)
> at org.apache.logging.log4j.core.Logger.log(Logger.java:158)
> at
> org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2135)
> at
> org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2089)
> at
> org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2072)
> at
> org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1773)
> at org.apache.logging.log4j.EventLogger.logEvent(EventLogger.java:47)
> at
> org.apache.logging.log4j.core.appender.routing.RoutingAppenderNoPatternTest.routingTest(RoutingAppenderNoPatternTest.java:59)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at
> org.apache.logging.log4j.junit.LoggerContextRule$1.evaluate(LoggerContextRule.java:123)
> at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
> at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
> at
> com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
> at
> com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
> at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
> Caused by: java.lang.NullPointerException
> at
> java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
> at
> org.apache.logging.log4j.core.appender.routing.RoutingAppender.getAppender(RoutingAppender.java:300)
> at
> org.apache.logging.log4j.core.appender.routing.RoutingAppender.getControl(RoutingAppender.java:263)
> at
> org.apache.logging.log4j.core.appender.routing.RoutingAppender.append(RoutingAppender.java:242)
> at
> org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
> ... 41 more{noformat}
> This happens for the following configuration:
> {code:java}
> <Routing name="Routing" ignoreExceptions="false">
> <Routes>
> <Route>
> <RollingFile name="Routing-${sd:type}" fileName="${filename}"
> filePattern="target/routing1/test1-${sd:type}.%i.log.gz"
> >
> <PatternLayout>
> <Pattern>%d %p %C{1.} [%t] %m%n</Pattern>
> </PatternLayout>
> <SizeBasedTriggeringPolicy size="500" />
> </RollingFile>
> </Route>
> </Routes>
> </Routing>
> {code}
>
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