[LOG4J2-2055] ServiceConfigurationError in Tomcat when Log4j is used as the logging implementation

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.1
• Fix Version/s: 2.10.0
• Component/s: API
• Assignee: Ralph Goers
• Reporter: Ralph Goers
• Created: 24/Sep/17 00:38
• Updated: 12/Dec/17 16:41
• Resolved: 24/Sep/17 00:40

Description

When Log4j is used as the Tomcat logging implementation using the log4j-appserver Handler applications using Log4j will fail to start trying to load a Log4jProvider they cannot access. The following will appear in the startup log.

2017-09-23 17:29:43,223 [localhost-startStop-1] ERROR o.a.c.c.ContainerBase.addChildInternal:755 - ContainerBase.addChild: start:
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/AuditCatalog]]
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167) ~[catalina.jar:8.5.20]
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752) [catalina.jar:8.5.20]
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728) [catalina.jar:8.5.20]
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) [catalina.jar:8.5.20]
        at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:988) [catalina.jar:8.5.20]
        at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1860) [catalina.jar:8.5.20]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514) [?:?]
        at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) [?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) [?:?]
        at java.lang.Thread.run(Thread.java:844) [?:?]
Caused by: java.util.ServiceConfigurationError: org.apache.logging.log4j.spi.Provider: org.apache.logging.log4j.core.impl.Log4jProvider not a subtype
        at java.util.ServiceLoader.fail(ServiceLoader.java:588) ~[?:?]
        at java.util.ServiceLoader.access$200(ServiceLoader.java:390) ~[?:?]
        at java.util.ServiceLoader$LazyClassPathLookupIterator.hasNextService(ServiceLoader.java:1231) ~[?:?]
        at java.util.ServiceLoader$LazyClassPathLookupIterator.hasNext(ServiceLoader.java:1259) ~[?:?]
        at java.util.ServiceLoader$2.hasNext(ServiceLoader.java:1294) ~[?:?]
        at java.util.ServiceLoader$3.hasNext(ServiceLoader.java:1379) ~[?:?]
        at org.apache.logging.log4j.util.ProviderUtil.loadProviders(ProviderUtil.java:101) ~[log4j-api-2.9.2-SNAPSHOT.jar:2.9.2-SNAPSHOT]
        at org.apache.logging.log4j.util.ProviderUtil.<init>(ProviderUtil.java:67) ~[log4j-api-2.9.2-SNAPSHOT.jar:2.9.2-SNAPSHOT]
        at org.apache.logging.log4j.util.ProviderUtil.lazyInit(ProviderUtil.java:142) ~[log4j-api-2.9.2-SNAPSHOT.jar:2.9.2-SNAPSHOT]
        at org.apache.logging.log4j.util.ProviderUtil.hasProviders(ProviderUtil.java:126) ~[log4j-api-2.9.2-SNAPSHOT.jar:2.9.2-SNAPSHOT]
        at org.apache.logging.log4j.spi.ThreadContextMapFactory.createThreadContextMap(ThreadContextMapFactory.java:73) ~[log4j-api-2.9.2-SNAPSHOT.jar:2.9.2-SNAPSHOT]
        at org.apache.logging.log4j.ThreadContext.init(ThreadContext.java:224) ~[log4j-api-2.9.2-SNAPSHOT.jar:2.9.2-SNAPSHOT]
        at org.apache.logging.log4j.ThreadContext.<clinit>(ThreadContext.java:203) ~[log4j-api-2.9.2-SNAPSHOT.jar:2.9.2-SNAPSHOT]
        at org.apache.logging.log4j.core.impl.ContextDataInjectorFactory.createDefaultInjector(ContextDataInjectorFactory.java:83) ~[log4j-core-2.9.1.jar:2.9.1]
        at org.apache.logging.log4j.core.impl.ContextDataInjectorFactory.createInjector(ContextDataInjectorFactory.java:67) ~[log4j-core-2.9.1.jar:2.9.1]
        at org.apache.logging.log4j.core.lookup.ContextMapLookup.<init>(ContextMapLookup.java:34) ~[log4j-core-2.9.1.jar:2.9.1]
        at org.apache.logging.log4j.core.lookup.Interpolator.<init>(Interpolator.java:117) ~[log4j-core-2.9.1.jar:2.9.1]
        at org.apache.logging.log4j.web.Log4jWebInitializerImpl.<init>(Log4jWebInitializerImpl.java:63) ~[?:?]
        at org.apache.logging.log4j.web.Log4jWebInitializerImpl.initialize(Log4jWebInitializerImpl.java:86) ~[?:?]
        at org.apache.logging.log4j.web.WebLoggerContextUtils.getWebLifeCycle(WebLoggerContextUtils.java:83) ~[?:?]
        at org.apache.logging.log4j.web.Log4jServletContainerInitializer.onStartup(Log4jServletContainerInitializer.java:56) ~[?:?]
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5196) ~[catalina.jar:8.5.20]
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ~[catalina.jar:8.5.20]
        ... 10 more