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From vsolanki99 <vsola...@nsf.org>
Subject java.lang.LinkageError: loader constraint violation
Date Wed, 19 Apr 2017 08:30:29 GMT
Can any one assist me, to resolve the below error :

*java.lang.LinkageError: loader constraint violation: when resolving method
"org.apache.commons.digester.Digester.getLogger()Lorg/apache/commons/logging/Log;"
the class loader (instance of
org/apache/tomee/catalina/TomEEWebappClassLoader) of the current class,
com/sun/faces/config/rules/FacesConfigRule, and the class loader (instance
of java/net/URLClassLoader) for the method's defining class,
org/apache/commons/digester/Digester, have different Class objects for the
type org/apache/commons/logging/Log used in the signature
	at
com.sun.faces.config.rules.FacesConfigRule.begin(FacesConfigRule.java:91)
	at org.apache.commons.digester.Digester.startElement(Digester.java:1453)
	at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
	at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(Unknown Source)
	at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown
Source)
	at
org.apache.xerces.impl.XMLDocumentScannerImpl$ContentDispatcher.scanRootElementHook(Unknown
Source)
	at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
Source)
	at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.commons.digester.Digester.parse(Digester.java:1745)
	at
com.sun.faces.config.ConfigureListener.parse(ConfigureListener.java:1208)
	at
com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:294)
	at
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4725)
	at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5189)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:724)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:700)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
	at
org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1107)
	at
org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1841)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)*


I don't know what jars are conflicting  . Kindly provide any suggestion .



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