[jboss-osgi-issues] [JBoss JIRA] Commented: (JBOSGI-319) LinkageError for the type javax/servlet/Servlet

Thomas Diesler (JIRA) jira-events at lists.jboss.org
Fri Apr 30 07:33:05 EDT 2010 

    [ https://jira.jboss.org/jira/browse/JBOSGI-319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12528221#action_12528221 ] 

Thomas Diesler commented on JBOSGI-319:
---------------------------------------

2010-04-30 13:24:29,206 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} loadClass org.osgi.service.http.HttpService resolve=false
2010-04-30 13:24:29,206 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} aquireLockFairly Thread[Thread-2,5,jboss]
2010-04-30 13:24:29,207 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} aquiredLock Thread[Thread-2,5,jboss] holding=1
2010-04-30 13:24:29,207 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} load from domain org.osgi.service.http.HttpService domain=OSGiClassLoaderDomain at 135d392{OSGiClassLoaderDomain}
2010-04-30 13:24:29,207 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] (Thread-2) OSGiClassLoaderDomain at 135d392{OSGiClassLoaderDomain} findLoader org/osgi/service/http/HttpService.class classLoader=OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} allExports=false findInParent=true
2010-04-30 13:24:29,207 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] (Thread-2) OSGiClassLoaderDomain at 135d392{OSGiClassLoaderDomain} org/osgi/service/http/HttpService.class does NOT match parent beforeFilter=[java], OSGI_CORE, [org.osgi.framework, org.osgi.framework.hooks, org.osgi.framework.hooks.service, org.osgi.framework.launch, org.osgi.service.condpermadmin, org.osgi.service.packageadmin, org.osgi.service.permissionadmin, org.osgi.service.startlevel, org.osgi.service.tracker, org.osgi.service.url, javax.imageio, javax.imageio.stream, javax.management, javax.management.loading, javax.management.modelmbean, javax.management.monitor, javax.management.openmbean, javax.management.relation, javax.management.remote, javax.management.remote.rmi, javax.management.timer, javax.naming, javax.naming.event, javax.naming.spi, javax.net, javax.net.ssl, javax.security.cert, javax.xml.datatype, javax.xml.namespace, javax.xml.parsers, javax.xml.transform, javax.xml.transform.dom, javax.xml.transform.sax, javax.xml.transform.stream, javax.xml.validation, org.apache.log4j, org.jboss.beans.metadata.plugins.builder, org.jboss.beans.metadata.plugins, org.jboss.beans.metadata.spi.builder, org.jboss.beans.metadata.spi, org.jboss.dependency.spi, org.jboss.kernel.spi.dependency, org.jboss.logging, org.jboss.osgi.deployment.deployer, org.jboss.osgi.deployment.interceptor, org.jboss.osgi.spi.capability, org.jboss.osgi.spi.framework, org.jboss.osgi.spi.service, org.jboss.osgi.spi.util, org.jboss.osgi.spi, org.jboss.osgi.testing, org.jboss.osgi.vfs, org.jnp.interfaces, org.w3c.dom, org.w3c.dom.bootstrap, org.w3c.dom.events, org.w3c.dom.ls, org.w3c.dom.ranges, org.w3c.dom.traversal, org.w3c.dom.views, org.xml.sax, org.xml.sax.ext, org.xml.sax.helpers]
2010-04-30 13:24:29,207 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] (Thread-2) OSGiClassLoaderDomain at 135d392{OSGiClassLoaderDomain} not loading org/osgi/service/http/HttpService.class from all exports
2010-04-30 13:24:29,207 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] (Thread-2) OSGiClassLoaderDomain at 135d392{OSGiClassLoaderDomain} trying to load org/osgi/service/http/HttpService.class from import FilteredDelegateLoader at 1478104{delegate=VFSClassLoaderPolicy at 9f9afb{vfsfile:/home/tdiesler/svn/jbossas/tags/JBoss_6_0_0_M2/build/target/jboss-6.0.0.20100216-M2/server/default/conf/jboss-service.xml}} for OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645}
2010-04-30 13:24:29,207 TRACE [org.jboss.classloader.spi.filter.FilteredDelegateLoader] (Thread-2) FilteredDelegateLoader at 1478104{delegate=VFSClassLoaderPolicy at 9f9afb{vfsfile:/home/tdiesler/svn/jbossas/tags/JBoss_6_0_0_M2/build/target/jboss-6.0.0.20100216-M2/server/default/conf/jboss-service.xml}} org/osgi/service/http/HttpService.class does NOT match resource filter=[javax.servlet, javax.servlet.http]
2010-04-30 13:24:29,207 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] (Thread-2) OSGiClassLoaderDomain at 135d392{OSGiClassLoaderDomain} trying to load org/osgi/service/http/HttpService.class from import LazyFilteredDelegateLoader at 167522b{factory=org.jboss.classloading.spi.dependency.policy.DynamicClassLoaderPolicyFactory at 439942} for OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645}
2010-04-30 13:24:29,207 TRACE [org.jboss.classloader.spi.filter.FilteredDelegateLoader] (Thread-2) LazyFilteredDelegateLoader at 167522b{factory=org.jboss.classloading.spi.dependency.policy.DynamicClassLoaderPolicyFactory at 439942} org/osgi/service/http/HttpService.class matches resource filter=<EVERYTHING>
2010-04-30 13:24:29,208 TRACE [org.jboss.classloader.spi.base.BaseDelegateLoader] (Thread-2) Factory did not create a delegate: org.jboss.classloading.spi.dependency.policy.DynamicClassLoaderPolicyFactory at 439942
2010-04-30 13:24:29,208 WARN  [org.jboss.classloader.spi.base.BaseDelegateLoader] (Thread-2) Not getting resource org/osgi/service/http/HttpService.class from policy that has no classLoader: LazyFilteredDelegateLoader at 167522b{factory=org.jboss.classloading.spi.dependency.policy.DynamicClassLoaderPolicyFactory at 439942 filter=<EVERYTHING>}
2010-04-30 13:24:29,208 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] (Thread-2) OSGiClassLoaderDomain at 135d392{OSGiClassLoaderDomain} trying to load org/osgi/service/http/HttpService.class from requesting OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645}
2010-04-30 13:24:29,208 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} get resource locally org/osgi/service/http/HttpService.class
2010-04-30 13:24:29,208 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} got resource locally org/osgi/service/http/HttpService.class
2010-04-30 13:24:29,208 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} load class locally org.osgi.service.http.HttpService
2010-04-30 13:24:29,209 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} getPackage org.osgi.service.http
2010-04-30 13:24:29,209 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} already loaded package org.osgi.service.http org.osgi.service.http
2010-04-30 13:24:29,209 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} loaded class locally interface org.osgi.service.http.HttpService{cl=OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} codeSource=(jar:file:/home/tdiesler/svn/jbossas/tags/JBoss_6_0_0_M2/build/target/jboss-6.0.0.20100216-M2/server/default/deploy/osgi/org.osgi.compendium.jar!/ <no signer certificates>)}
2010-04-30 13:24:29,209 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} got class from domain interface org.osgi.service.http.HttpService{cl=OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} codeSource=(jar:file:/home/tdiesler/svn/jbossas/tags/JBoss_6_0_0_M2/build/target/jboss-6.0.0.20100216-M2/server/default/deploy/osgi/org.osgi.compendium.jar!/ <no signer certificates>)}
2010-04-30 13:24:29,209 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] (Thread-2) OSGiBundleClassLoader at bce164{osgi.cmpn-4.2.0.200908310645} unlock Thread[Thread-2,5,jboss] holding=1


> LinkageError for the type javax/servlet/Servlet 
> ------------------------------------------------
>
>                 Key: JBOSGI-319
>                 URL: https://jira.jboss.org/jira/browse/JBOSGI-319
>             Project: JBoss OSGi
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Integration (JBoss)
>            Reporter: Thomas Diesler
>            Assignee: Thomas Diesler
>             Fix For: JBossOSGi 1.0.0 Beta8
>
>
> Caused by: java.lang.LinkageError: loader constraint violation in interface itable initialization: when resolving method "org.ops4j.pax.web.service.internal.HttpServiceProxy.registerServlet(Ljava/lang/String;Ljavax/servlet/Servlet;Ljava/util/Dictionary;Lorg/osgi/service/http/HttpContext;)V" the class loader (instance of org/jboss/osgi/framework/classloading/OSGiBundleClassLoader) of the current class, org/ops4j/pax/web/service/internal/HttpServiceProxy, and the class loader (instance of org/jboss/osgi/framework/classloading/OSGiBundleClassLoader) for interface org/osgi/service/http/HttpService have different Class objects for the type javax/servlet/Servlet used in the signature
> 	at org.ops4j.pax.web.service.internal.Activator$2.createService(Activator.java:104)
> 	at org.ops4j.pax.web.service.internal.HttpServiceFactoryImpl.getService(HttpServiceFactoryImpl.java:34)
> 	at org.jboss.osgi.framework.bundle.OSGiServiceState.getService(OSGiServiceState.java:391)
> 	... 20 more

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