Veeraraghavan created LOG4J2-961:
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Summary: Log4j2 with Websphere Application Server 8.5 throws
org.apache.logging.log4j.web.Log4jServletContainerInitializer not a subtype
Key: LOG4J2-961
URL: https://issues.apache.org/jira/browse/LOG4J2-961
Project: Log4j 2
Issue Type: Question
Environment: Websphere Application Server 8.5/RAD
Reporter: Veeraraghavan
Priority: Blocker
We have an application which uses Log4j2 and running on WAS 8.5. We have
selected the class loading option as PARENT_LAST, so the jar files will be
picked up from WEB-INF/lib. We are error getting the below error when starting
up the server.
com.ibm.ws.exception.RuntimeWarning:
com.ibm.ws.webcontainer.exception.WebAppNotLoadedException: Failed to load
webapp: Failed to load webapp: javax.servlet.ServletContainerInitializer:
Provider org.apache.logging.log4j.web.Log4jServletContainerInitializer not a
subtype
at
com.ibm.ws.webcontainer.component.WebContainerImpl.install(WebContainerImpl.java:432)
at
com.ibm.ws.webcontainer.component.WebContainerImpl.start(WebContainerImpl.java:718)
at
com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:1177)
at
com.ibm.ws.runtime.component.DeployedApplicationImpl.fireDeployedObjectStart(DeployedApplicationImpl.java:1370)
at
com.ibm.ws.runtime.component.DeployedModuleImpl.start(DeployedModuleImpl.java:639)
at
com.ibm.ws.runtime.component.DeployedApplicationImpl.start(DeployedApplicationImpl.java:968)
at
com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:776)
at
com.ibm.ws.runtime.component.ApplicationMgrImpl$5.run(ApplicationMgrImpl.java:2195)
at
com.ibm.ws.security.auth.ContextManagerImpl.runAs(ContextManagerImpl.java:5387)
at
com.ibm.ws.security.auth.ContextManagerImpl.runAsSystem(ContextManagerImpl.java:5603)
at
com.ibm.ws.security.core.SecurityContext.runAsSystem(SecurityContext.java:255)
at
com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:2200)
at
com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:435)
at
com.ibm.ws.runtime.component.CompositionUnitImpl.start(CompositionUnitImpl.java:123)
at
com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:378)
at
com.ibm.ws.runtime.component.CompositionUnitMgrImpl.access$500(CompositionUnitMgrImpl.java:126)
at
com.ibm.ws.runtime.component.CompositionUnitMgrImpl$CUInitializer.run(CompositionUnitMgrImpl.java:984)
at
com.ibm.wsspi.runtime.component.WsComponentImpl$_AsynchInitializer.run(WsComponentImpl.java:502)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1865)
Caused by: com.ibm.ws.webcontainer.exception.WebAppNotLoadedException: Failed
to load webapp: Failed to load webapp:
javax.servlet.ServletContainerInitializer: Provider
org.apache.logging.log4j.web.Log4jServletContainerInitializer not a subtype
at com.ibm.ws.webcontainer.WSWebContainer.addWebApp(WSWebContainer.java:759)
at
com.ibm.ws.webcontainer.WSWebContainer.addWebApplication(WSWebContainer.java:634)
at
com.ibm.ws.webcontainer.component.WebContainerImpl.install(WebContainerImpl.java:426)
... 18 more
Caused by: com.ibm.ws.webcontainer.exception.WebAppNotLoadedException: Failed
to load webapp: javax.servlet.ServletContainerInitializer: Provider
org.apache.logging.log4j.web.Log4jServletContainerInitializer not a subtype
at
com.ibm.ws.webcontainer.VirtualHostImpl.addWebApplication(VirtualHostImpl.java:176)
at com.ibm.ws.webcontainer.WSWebContainer.addWebApp(WSWebContainer.java:749)
... 20 more
Caused by: java.util.ServiceConfigurationError:
javax.servlet.ServletContainerInitializer: Provider
org.apache.logging.log4j.web.Log4jServletContainerInitializer not a subtype
at java.util.ServiceLoader.fail(ServiceLoader.java:243)
at java.util.ServiceLoader.access$300(ServiceLoader.java:193)
at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:381)
at java.util.ServiceLoader$1.next(ServiceLoader.java:457)
at
com.ibm.ws.webcontainer.webapp.WebAppImpl.initializeServletContainerInitializers(WebAppImpl.java:535)
at com.ibm.ws.webcontainer.webapp.WebAppImpl.initialize(WebAppImpl.java:409)
at
com.ibm.ws.webcontainer.webapp.WebGroupImpl.addWebApplication(WebGroupImpl.java:88)
at
com.ibm.ws.webcontainer.VirtualHostImpl.addWebApplication(VirtualHostImpl.java:169)
When we have the lo4j2 related jar's as part of the ext folder of the server,
it is working fine without any issues. We also have log4j jar's as well as part
of the application which is being used by some third party jar's. Can some
throw some light as what is going on here and why this error is being thrown?
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