Classloading: jboss-deployer: Linkage Error
-------------------------------------------
Key: SM-1007
URL: https://issues.apache.org/activemq/browse/SM-1007
Project: ServiceMix
Issue Type: Bug
Affects Versions: 3.1
Environment: JBoss 4.0.2
Reporter: Rabi
Attachments: patch.txt
I encountered some linkage error while deploying some assemblys in Jboss.
Upon investigating i found out that xml-apis is not included in the deployer
sar and is referenced from the bootloader. There are multiple libraries in
jboss environment that contain this class including the Java 5 rt.jar
Upon adding the following jars to the .sar and making them part of
"org.servicemix:loader-repository=JBIContainer" loader repo , I could resolve
the issue
1. xml-apis
2.xalan
3. xercesImpl
I am not sure if this is the right way. I understand they are initially planned
to be shared.
Anyway I am attaching the patch to the chages to by pom.xml (removed exclusions
for the above jars)
java.lang.LinkageError: loader constraint violation: loader (instance of
<bootloader>) previously initiated loading for a different type with name
"javax/xml/namespace/QName"
at javax.xml.xpath.XPathConstants.<clinit>(XPathConstants.java:53)
at
org.apache.servicemix.expression.JAXPStringXPathExpression.evaluateXPath(JAXPStringXPathExpression.java:39)
at
org.apache.servicemix.expression.JAXPXPathExpression.evaluate(JAXPXPathExpression.java:98)
at
org.apache.servicemix.ftp.FtpReceiverEndpoint.configureFromMessage(FtpReceiverEndpoint.java:265)
at
org.apache.servicemix.ftp.FtpReceiverEndpoint.processInOnly(FtpReceiverEndpoint.java:298)
at
org.apache.servicemix.common.endpoints.ProviderEndpoint.process(ProviderEndpoint.java:100)
at
org.apache.servicemix.common.AsyncBaseLifeCycle.doProcess(AsyncBaseLifeCycle.java:489)
at
org.apache.servicemix.common.AsyncBaseLifeCycle.processExchange(AsyncBaseLifeCycle.java:441)
at
org.apache.servicemix.common.BaseLifeCycle.onMessageExchange(BaseLifeCycle.java:46)
at
org.apache.servicemix.jbi.messaging.DeliveryChannelImpl.processInBound(DeliveryChannelImpl.java:593)
at
org.apache.servicemix.jbi.nmr.flow.AbstractFlow.doRouting(AbstractFlow.java:174)
at
org.apache.servicemix.jbi.nmr.flow.seda.SedaFlow.doRouting(SedaFlow.java:176)
at
org.apache.servicemix.jbi.nmr.flow.seda.SedaQueue$1.run(SedaQueue.java:134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
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