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https://issues.apache.org/jira/browse/SOLR-16976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17765433#comment-17765433
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Shawn Heisey edited comment on SOLR-16976 at 9/15/23 3:59 AM:
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Why did we need to include the log4j JUL jar? We already had
jul-to-slf4j-2.0.7.jar to route JUL to slf4j, which then routes to log4j2.
There shouldn't have been any changes required to have Lucene's logs end up in
solr.log because we already had JUL handling.
was (Author: elyograg):
Why did we need to include the log4j JUL jar? We already had
jul-to-slf4j-2.0.7.jar to route JUL to slf4j, which then routes to log4j2.
> ClassNotFoundException: org.apache.logging.log4j.jul.LogManager with JMX
> enabled
> --------------------------------------------------------------------------------
>
> Key: SOLR-16976
> URL: https://issues.apache.org/jira/browse/SOLR-16976
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 9.3
> Reporter: Colvin Cowie
> Priority: Minor
>
> When starting Solr 9.3 with remote JMX enabled, an exception is logged
> {{java.lang.ClassNotFoundException: org.apache.logging.log4j.jul.LogManager}}
> {{at
> java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)}}
> {{at
> java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)}}
> {{at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)}}
> {{at java.logging/java.util.logging.LogManager$1.run(LogManager.java:239)}}
> {{at java.logging/java.util.logging.LogManager$1.run(LogManager.java:223)}}
> {{at
> java.base/java.security.AccessController.doPrivileged(AccessController.java:318)}}
> {{at java.logging/java.util.logging.LogManager.<clinit>(LogManager.java:222)}}
> {{at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)}}
> {{at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)}}
> {{at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)}}
> {{at java.base/java.lang.reflect.Method.invoke(Method.java:568)}}
> {{at
> java.management/sun.management.ManagementFactoryHelper$LoggingMXBeanAccess.getMXBeanImplementation(ManagementFactoryHelper.java:243)}}
> {{at
> java.management/sun.management.ManagementFactoryHelper$LoggingMXBeanAccess.<init>(ManagementFactoryHelper.java:259)}}
> {{at
> java.management/sun.management.ManagementFactoryHelper$PlatformLoggingImpl.getInstance(ManagementFactoryHelper.java:339)}}
> {{at
> java.management/sun.management.ManagementFactoryHelper$PlatformLoggingImpl.<clinit>(ManagementFactoryHelper.java:342)}}
> {{at
> java.management/sun.management.ManagementFactoryHelper.getPlatformLoggingMXBean(ManagementFactoryHelper.java:160)}}
> {{at
> java.management/java.lang.management.DefaultPlatformMBeanProvider$9.nameToMBeanMap(DefaultPlatformMBeanProvider.java:378)}}
> {{at
> java.management/java.lang.management.ManagementFactory.lambda$getPlatformMBeanServer$0(ManagementFactory.java:488)}}
> {{at
> java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:273)}}
> {{at
> java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179)}}
> {{at
> java.base/java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1779)}}
> {{at
> java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)}}
> {{at
> java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)}}
> {{at
> java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)}}
> {{at
> java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)}}
> {{at
> java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)}}
> {{at
> java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)}}
> {{at
> java.management/java.lang.management.ManagementFactory.getPlatformMBeanServer(ManagementFactory.java:489)}}
> {{at
> jdk.management.agent/sun.management.jmxremote.ConnectorBootstrap.startRemoteConnectorServer(ConnectorBootstrap.java:476)}}
> {{at
> jdk.management.agent/jdk.internal.agent.Agent.startAgent(Agent.java:447)}}
> {{at
> jdk.management.agent/jdk.internal.agent.Agent.startAgent(Agent.java:599)}}
> {{Waiting up to 30 seconds to see Solr running on port 8983}}
> {{Started Solr server on port 8983. Happy searching!}}
> {{Solr Node (id node1) on port 8983: Started}}
>
>
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