Hi All,

I am trying to use jBoss AOP cache in my application and I am using AOP 
pre-compiler to precompile my POJO which is used for session replication. I was 
successfull in deploying the application in Windows, but when I tried deploying 
it in Unix, I am getting an exception when trying to create an instance of the 
POJO whose byte code was weaved at compile time. I am running jBoss 4.0.5 and 
JDK 1.5.0_07-b03. I am stuck here and any help would be greatly appreciated!

Please find below the stack trace


at com.users.impl.UserSystemImpl.getUser(UserSystemImpl.java:204)
        at com.users.impl.UserSystemImpl.validateAPIKey(UserSystemImpl.java:672)
        at 
com.api.security.AuthenticationRestlet.handle(AuthenticationRestlet.java:106)
        at com.impl.RestletTarget.handle(RestletTarget.java:170)
        at com.impl.MapletImpl.delegate(MapletImpl.java:212)
        at com.impl.MapletImpl.handle(MapletImpl.java:162)
        at 
org.restlet.component.RestletContainer.handle(RestletContainer.java:220)
        at com.impl.RestletTarget.handle(RestletTarget.java:170)
        at com.impl.MapletImpl.delegate(MapletImpl.java:212)
        at com.impl.MapletImpl.handle(MapletImpl.java:162)
        at 
org.restlet.component.RestletContainer.handle(RestletContainer.java:220)
        at com.api.support.RestTarget.handle(RestTarget.java:71)
        at com.api.ServerServlet.handle(ServerServlet.java:403)
        at com.api.ServerServlet.handle(ServerServlet.java:388)
        at com.api.ServerServlet.service(ServerServlet.java:204)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at 
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
        at 
org.jboss.web.tomcat.tc5.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:87)
        at 
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at 
org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
        at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
        at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
        at 
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
        at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.RuntimeException: java.lang.NoSuchMethodException: 
addObserver
        at org.jboss.aop.ClassAdvisor.attachClass(ClassAdvisor.java:250)
        at org.jboss.aop.AspectManager.getAdvisor(AspectManager.java:459)
        at com.users.impl.UserImpl.(UserImpl.java)
        ... 36 more
Caused by: java.lang.NoSuchMethodException: addObserver
        at org.jboss.aop.ClassAdvisor.getMethod(ClassAdvisor.java:261)
        at org.jboss.aop.ClassAdvisor.getMethod(ClassAdvisor.java:269)
        at 
org.jboss.aop.ClassAdvisor.populateMixinMethods(ClassAdvisor.java:332)
        at org.jboss.aop.ClassAdvisor$1.run(ClassAdvisor.java:228)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.jboss.aop.ClassAdvisor.attachClass(ClassAdvisor.java:209)

Thanks
Jugs

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