I don't know this for a fact, and I'm sure Andrus will correct me, but I would never have expected the DataContext to be thread-safe. Perhaps that is my EOF background. I believe that doing commits (or queries) from two different DataContexts is thread-safe, though.
/dev/mrg On Nov 9, 2007 5:00 AM, Aristedes Maniatis <[EMAIL PROTECTED]> wrote: > I was able to create a deadlock between two threads committing to the > same context today. Cayenne as of svn trunk yesterday. Are contexts > not thread-safe for writing or is this a bug? > > > [java] -- Thread Foxtrot Single Worker Thread #3 (Id = 39) BLOCKED > [EMAIL PROTECTED] > [java] -- > org > .apache.cayenne.event.DispatchQueue.dispatchEvent(DispatchQueue.java:54) > [java] -- > org.apache.cayenne.event.EventManager.dispatchEvent(EventManager.java: > 348) > [java] -- > org.apache.cayenne.event.EventManager.postEvent(EventManager.java:319) > [java] -- > org.apache.cayenne.remote.ClientChannel.onSync(ClientChannel.java:215) > [java] -- > org.apache.cayenne.CayenneContext.doCommitChanges(CayenneContext.java: > 249) > [java] -- > org.apache.cayenne.CayenneContext.commitChanges(CayenneContext.java:208) > > > [java] -- Thread AWT-EventQueue-0 (Id = 22) BLOCKED > [EMAIL PROTECTED] > [java] -- > org > .apache > .cayenne > .CayenneContextMergeHandler > .runWithEventsDisabled(CayenneContextMergeHandler.java:266) > [java] -- > org > .apache > .cayenne > .CayenneContextMergeHandler > .graphFlushed(CayenneContextMergeHandler.java:81) > [java] -- sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source) > [java] -- > sun > .reflect > .DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: > 25) > [java] -- java.lang.reflect.Method.invoke(Method.java:585) > [java] -- org.apache.cayenne.util.Invocation.fire(Invocation.java:204) > [java] -- org.apache.cayenne.event.EventManager > $Dispatch.fire(EventManager.java:409) > [java] -- > org > .apache.cayenne.event.DispatchQueue.dispatchEvent(DispatchQueue.java: > 162) > [java] -- > org > .apache.cayenne.event.DispatchQueue.dispatchEvent(DispatchQueue.java:58) > [java] -- > org.apache.cayenne.event.EventManager.dispatchEvent(EventManager.java: > 348) > [java] -- > org.apache.cayenne.event.EventManager.postEvent(EventManager.java:319) > [java] -- > org.apache.cayenne.remote.ClientChannel.onSync(ClientChannel.java:215) > [java] -- > org.apache.cayenne.CayenneContext.doCommitChanges(CayenneContext.java: > 249) > [java] -- > org.apache.cayenne.CayenneContext.commitChanges(CayenneContext.java:208) > > > > Ari Maniatis > > > --------------------------> > ish > http://www.ish.com.au > Level 1, 30 Wilson Street Newtown 2042 Australia > phone +61 2 9550 5001 fax +61 2 9550 4001 > GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A > > >
