Re: ROP server side exception

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Sat Jul 22 2006 - 18:51:10 EDT

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    Hi Marcel,

    I am confused about the UI - how do I create a new Object? Was in
    CAY-604 patch?

    Andrus

    On Jul 22, 2006, at 4:06 AM, Marcel wrote:
    > Hi folks,
    >
    > I am getting a nasty exception on the server side when working with
    > ROP. It occurs in very specific circumstances: I create a new
    > object, save it back to the server. When I try and look at that
    > object again, I get the exception below.
    >
    > My insert process is basically context.newObject, and then set the
    > relationship from the existing object to point to the new one.
    >
    > The odd thing is that the SQL logs show that the DB query works
    > perfectly: the correct number of records are returned without a
    > problem. And even more strangely, if I restart the servlet it works
    > perfectly. Also, I think it is new since moving to 1.2 (90% sure).
    >
    > Any ideas? I don't know where to start on this one.
    >
    > Regards,
    >
    > Marcel
    >
    > 22/07/2006 17:28:00 com.caucho.hessian.server.HessianSkeleton invoke
    > WARNING: java.lang.IllegalArgumentException
    > java.lang.IllegalArgumentException
    > at sun.reflect.UnsafeObjectFieldAccessorImpl.set(Unknown Source)
    > at java.lang.reflect.Field.set(Unknown Source)
    > at
    > org.objectstyle.cayenne.property.FieldAccessor.writePropertyDirectly
    > (FieldAccessor.java:115)
    > at
    > org.objectstyle.cayenne.property.SimpleProperty.writePropertyDirectly(
    > SimpleProperty.java:119)
    > at org.objectstyle.cayenne.property.SimpleProperty.writeProperty
    > (SimpleProperty.java:90)
    > at org.objectstyle.cayenne.map.EntityDescriptor
    > $SimplePersistentProperty.writeProperty(EntityDescriptor.java:341)
    > at org.objectstyle.cayenne.util.ObjectDetachOperation
    > $1.visitProperty(ObjectDetachOperation.java:195)
    > at org.objectstyle.cayenne.property.SimpleProperty.visit
    > (SimpleProperty.java:98)
    > at
    > org.objectstyle.cayenne.property.BaseClassDescriptor.visitProperties
    > (BaseClassDescriptor.java:250)
    > at org.objectstyle.cayenne.util.ObjectDetachOperation.detach
    > (ObjectDetachOperation.java:134)
    > at
    > org.objectstyle.cayenne.access.ClientServerChannelQueryAction.toClient
    > Objects(ClientServerChannelQueryAction.java:221)
    > at
    > org.objectstyle.cayenne.access.ClientServerChannelQueryAction.intercep
    > tObjectConversion(ClientServerChannelQueryAction.java:181)
    > at
    > org.objectstyle.cayenne.access.ClientServerChannelQueryAction.execute(
    > ClientServerChannelQueryAction.java:106)
    > at org.objectstyle.cayenne.access.ClientServerChannel.onQuery
    > (ClientServerChannel.java:99)
    > at org.objectstyle.cayenne.remote.service.DispatchHelper.dispatch
    > (DispatchHelper.java:76)
    > at
    > org.objectstyle.cayenne.remote.service.BaseRemoteService.processMessag
    > e(BaseRemoteService.java:182)
    > at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
    > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    > at java.lang.reflect.Method.invoke(Unknown Source)
    > at com.caucho.hessian.server.HessianSkeleton.invoke
    > (HessianSkeleton.java:157)
    > at
    > org.objectstyle.cayenne.remote.hessian.service._HessianServlet.service
    > (_HessianServlet.java:388)
    > at
    > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
    > (ApplicationFilterChain.java:252)
    > 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.apache.catalina.core.StandardHostValve.invoke
    > (StandardHostValve.java:126)
    > at org.apache.catalina.valves.ErrorReportValve.invoke
    > (ErrorReportValve.java:105)
    > 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
    > $Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:
    > 664)
    > at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket
    > (PoolTcpEndpoint.java:527)
    > at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt
    > (LeaderFollowerWorkerThread.java:80)
    > at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
    > (ThreadPool.java:684)
    > at java.lang.Thread.run(Unknown Source)
    >

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