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Re: ERJGroupsSynchronization Exception
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Re: ERJGroupsSynchronization Exception


  • Subject: Re: ERJGroupsSynchronization Exception
  • From: Dov Rosenberg <email@hidden>
  • Date: Wed, 22 Oct 2008 12:56:25 -0400
  • Thread-topic: ERJGroupsSynchronization Exception

Title: Re: ERJGroupsSynchronization Exception
I am currently running in DEBUG level and have added -DNSPrivateDebuggingEnabled=true as a startup param but am not seeing any thread dumps.

We do have a custom EODatabaseContextDelegate that we register when the model is loaded

public void addedObjectStore(NSNotification notification) {        try {            EODatabaseContext store;            DatabaseContextDelegate aDBCDelegate = this.databaseContextDelegate();
....


public class DatabaseContextDelegate extends EOCustomObject {
...
}

Could this be part of the problem? Should we be doing something more Project Wonder like instead?

Thanks in advance

Dov Rosenberg



On 10/22/08 11:06 AM, "Mike Schrag" <email@hidden> wrote:

We converted over to Project Wonder to use the EJGroupsSynchronizer – everything looks like it is working OK except I see this exception throughout the log file
 
 
[Thread-2] DEBUG NSLog  - *** EODatabaseContext: access without lock!
I've never seen this.

I did a thread dump to see what was executing when this was occurring – it looks like the problem is in the ERXObjectStoreCoordinatorSynchronizer.
This isn't going to tell you what you want.  It's not deadlocked, so you're not going to get a consistent stack dump here.  You need to increase your logging level so it logs the stack trace of the location of the missing lock and set NSPrivateDebuggingEnabled=true (it looks like).

Any thoughts on this? I am a little nervous about adding lock() statements into the Wonder code.
I agree.

Also, you didn't say if this is 5.3 or 5.4.x.  I haven't done any testing of jgroups sync on 5.4, yet, so I have no idea if there are problems.

ms


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