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Date: Tue, 1 Apr 2008 21:48:09 +0900
From: "Tatsuya Noyori" <nojorin@gmail.com>
To: user@roller.apache.org
Subject: Re: org.apache.openjpa.persistence.PersistenceException: null
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Hello,

I have had the same exception. The bug of the OpenJPA exception is
managed on the following URL.

    https://issues.apache.org/jira/browse/OPENJPA-366

The bug was fixed at OpenJPA 1.0.2. So I would like to suggest that
you update OpenJPA library to ver 1.0.2 in Roller and set a parameter
of "openjpa.Multithreaded=true" on file of "JPAEMF.properties".

After this changing, Roller seems to be stable on my PC.

> Hi folks,
>
> I have a lot of the following messages in my log. Don't know when it
> happens. Maybe someone has an idea.
>
>
> Roller 4.0
> Apache Tomcat/5.5.20
> JVM: 1.5.0_03-b07 Sun Microsystems Inc.
> OS: Red Hat Linux 2.6.9-42.0.3.ELsmp i386
> Oracle 10.2
>
> Here:
>
> ERROR 2008-03-26 11:39:07,751 StandardWrapperValve:invoke -
> Servlet.service() for servlet default threw exception
> <0.9.7-incubating fatal general error>
> org.apache.openjpa.persistence.PersistenceException: null
>         at org.apache.openjpa.kernel.BrokerImpl.endOperation(BrokerImpl.java:1747)
>         at org.apache.openjpa.kernel.BrokerImpl.isActive(BrokerImpl.java:1695)

-- 
Tatsuya Noyori (^o^)/