Christian Tre [http://community.jboss.org/people/RET] replied to the discussion "EJB 3.1 @Singleton remote access" To view the discussion, visit: http://community.jboss.org/message/543515#543515 -------------------------------------------------------------- hello :) need some time to pack sample app, but i traceddown the problem on serverside, here is the log: 2010-05-18 07:50:30,590 TRACE [org.jboss.ejb3.singleton.aop.impl.AOPBasedSingletonContainer] Received dynamic invocation for method with hash: 8010665628799209931 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} loadClass de.xxx.persistence.entity.core.Company resolve=false 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} aquireLockFairly WorkerThread#0[127.0.0.1:2119] 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} aquiredLock WorkerThread#0[127.0.0.1:2119] holding=1 2010-05-18 07:50:30,590 TRACE [org.jboss.detailed.classloader.ClassLoaderManager] registerLoaderThread, classloader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} thread=WorkerThread#0[127.0.0.1:2119] previousThread=null 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} load from domain de.xxx.persistence.entity.core.Company domain=ClassLoaderDomain@1474ea{DefaultDomain} 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} de.xxx.persistence.entity.core.Company matches parent beforeFilter=<EVERYTHING> 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} load class from parent de.xxx.persistence.entity.core.Company parent=java.net.URLClassLoader@1f934ad 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} findLoader de/xxx/persistence/entity/core/Company.class classLoader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} allExports=false findInParent=false 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} trying to load de/xxx/persistence/entity/core/Company.class from all exports of package de.xxx.persistence.entity.core null 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} not loading de/xxx/persistence/entity/core/Company.class from imports it has no delegates 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} trying to load de/xxx/persistence/entity/core/Company.class from requesting BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} get resource locally de/xxx/persistence/entity/core/Company.class 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} resource is blacklisted de/xxx/persistence/entity/core/Company.class 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} de.xxx.persistence.entity.core.Company does NOT match parent afterFilter=<NOTHING> 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} trying to load de.xxx.persistence.entity.core.Company using hack sun.misc.Launcher$AppClassLoader@f4a24a 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} unlock WorkerThread#0[127.0.0.1:2119] holding=1 2010-05-18 07:50:30,590 TRACE [org.jboss.detailed.classloader.ClassLoaderManager] unregisterLoaderThread, classloader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} thread=WorkerThread#0[127.0.0.1:2119] rescheduleTasks=true 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} class not found de.xxx.persistence.entity.core.Company 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} loadClass de.xxx.persistence.entity.core.Company resolve=false 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} aquireLockFairly WorkerThread#0[127.0.0.1:2119] 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} aquiredLock WorkerThread#0[127.0.0.1:2119] holding=1 2010-05-18 07:50:30,590 TRACE [org.jboss.detailed.classloader.ClassLoaderManager] registerLoaderThread, classloader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} thread=WorkerThread#0[127.0.0.1:2119] previousThread=null 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} load from domain de.xxx.persistence.entity.core.Company domain=ClassLoaderDomain@1474ea{DefaultDomain} 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} de.xxx.persistence.entity.core.Company matches parent beforeFilter=<EVERYTHING> 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} load class from parent de.xxx.persistence.entity.core.Company parent=java.net.URLClassLoader@1f934ad 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} findLoader de/xxx/persistence/entity/core/Company.class classLoader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} allExports=false findInParent=false 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} class is black listed de/xxx/persistence/entity/core/Company.class 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} not loading de/xxx/persistence/entity/core/Company.class from imports it has no delegates 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} trying to load de/xxx/persistence/entity/core/Company.class from requesting BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} get resource locally de/xxx/persistence/entity/core/Company.class 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} resource is blacklisted de/xxx/persistence/entity/core/Company.class 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} de.xxx.persistence.entity.core.Company does NOT match parent afterFilter=<NOTHING> 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} trying to load de.xxx.persistence.entity.core.Company using hack sun.misc.Launcher$AppClassLoader@f4a24a 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} unlock WorkerThread#0[127.0.0.1:2119] holding=1 2010-05-18 07:50:30,590 TRACE [org.jboss.detailed.classloader.ClassLoaderManager] unregisterLoaderThread, classloader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} thread=WorkerThread#0[127.0.0.1:2119] rescheduleTasks=true 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} class not found de.xxx.persistence.entity.core.Company 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} loadClass de.xxx.persistence.entity.BaseEntity resolve=false 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} aquireLockFairly WorkerThread#0[127.0.0.1:2119] 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} aquiredLock WorkerThread#0[127.0.0.1:2119] holding=1 2010-05-18 07:50:30,590 TRACE [org.jboss.detailed.classloader.ClassLoaderManager] registerLoaderThread, classloader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} thread=WorkerThread#0[127.0.0.1:2119] previousThread=null 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} load from domain de.xxx.persistence.entity.BaseEntity domain=ClassLoaderDomain@1474ea{DefaultDomain} 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} de.xxx.persistence.entity.BaseEntity matches parent beforeFilter=<EVERYTHING> 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} load class from parent de.xxx.persistence.entity.BaseEntity parent=java.net.URLClassLoader@1f934ad 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} findLoader de/xxx/persistence/entity/BaseEntity.class classLoader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} allExports=false findInParent=false 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} trying to load de/xxx/persistence/entity/BaseEntity.class from all exports of package de.xxx.persistence.entity null 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} not loading de/xxx/persistence/entity/BaseEntity.class from imports it has no delegates 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} trying to load de/xxx/persistence/entity/BaseEntity.class from requesting BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} get resource locally de/xxx/persistence/entity/BaseEntity.class 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} resource is blacklisted de/xxx/persistence/entity/BaseEntity.class 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} de.xxx.persistence.entity.BaseEntity does NOT match parent afterFilter=<NOTHING> 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} trying to load de.xxx.persistence.entity.BaseEntity using hack sun.misc.Launcher$AppClassLoader@f4a24a 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} unlock WorkerThread#0[127.0.0.1:2119] holding=1 2010-05-18 07:50:30,590 TRACE [org.jboss.detailed.classloader.ClassLoaderManager] unregisterLoaderThread, classloader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} thread=WorkerThread#0[127.0.0.1:2119] rescheduleTasks=true 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} class not found de.xxx.persistence.entity.BaseEntity 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} loadClass de.xxx.persistence.entity.BaseEntity resolve=false 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} aquireLockFairly WorkerThread#0[127.0.0.1:2119] 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} aquiredLock WorkerThread#0[127.0.0.1:2119] holding=1 2010-05-18 07:50:30,590 TRACE [org.jboss.detailed.classloader.ClassLoaderManager] registerLoaderThread, classloader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} thread=WorkerThread#0[127.0.0.1:2119] previousThread=null 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} load from domain de.xxx.persistence.entity.BaseEntity domain=ClassLoaderDomain@1474ea{DefaultDomain} 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} de.xxx.persistence.entity.BaseEntity matches parent beforeFilter=<EVERYTHING> 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} load class from parent de.xxx.persistence.entity.BaseEntity parent=java.net.URLClassLoader@1f934ad 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} findLoader de/xxx/persistence/entity/BaseEntity.class classLoader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} allExports=false findInParent=false 2010-05-18 07:50:30,590 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} class is black listed de/xxx/persistence/entity/BaseEntity.class 2010-05-18 07:50:30,606 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} not loading de/xxx/persistence/entity/BaseEntity.class from imports it has no delegates 2010-05-18 07:50:30,606 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} trying to load de/xxx/persistence/entity/BaseEntity.class from requesting BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} 2010-05-18 07:50:30,606 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} get resource locally de/xxx/persistence/entity/BaseEntity.class 2010-05-18 07:50:30,606 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} resource is blacklisted de/xxx/persistence/entity/BaseEntity.class 2010-05-18 07:50:30,606 TRACE [org.jboss.classloader.spi.ClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} de.xxx.persistence.entity.BaseEntity does NOT match parent afterFilter=<NOTHING> 2010-05-18 07:50:30,606 TRACE [org.jboss.classloader.spi.base.BaseClassLoaderDomain] ClassLoaderDomain@1474ea{DefaultDomain} trying to load de.xxx.persistence.entity.BaseEntity using hack sun.misc.Launcher$AppClassLoader@f4a24a 2010-05-18 07:50:30,606 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} unlock WorkerThread#0[127.0.0.1:2119] holding=1 2010-05-18 07:50:30,606 TRACE [org.jboss.detailed.classloader.ClassLoaderManager] unregisterLoaderThread, classloader=BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} thread=WorkerThread#0[127.0.0.1:2119] rescheduleTasks=true 2010-05-18 07:50:30,606 TRACE [org.jboss.classloader.spi.base.BaseClassLoader] BaseClassLoader@13aa7d4{vfs:///D:/Dev/EDAP/jboss-6.0.0.M3/server/default/deploy/ejb3-connectors-jboss-beans.xml} class not found de.xxx.persistence.entity.BaseEntity it seems this error comes from serverside, because on clientside i can workwith these objects, they are known. only the following methodcall raises this exception: ph.get("mein Param", c); Hope this log helps a little bit. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/543515#543515] Start a new discussion in EJB 3.0 at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]