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From Martin Elkjær <>
Subject Re: Problem using Hibernate as my persistence provider
Date Fri, 20 Nov 2009 12:35:16 GMT
Investigated a bit more....:

When I drop the WAR into tomcats webapps folder it works!
But when using a declaring a new context in the folder
conf/Catalina/localhost it screws up. My context is very simple :
<?xml version="1.0" encoding="UTF-8"?>
<Context docBase="c:\projects\demo" path="/demo" reloadable="true"/>

The reason for doing it that way is that I want's to speed up development
with the reloadable attribute. But maybe I'm missing something ?


2009/11/20 Raul Lapeira <>

> Could it be something about using two different JVM's?.
> If so please make sure that the jar is in tomcat and openEJB.
> gave the following info when i searched:
> org/hibernate/transaction/TransactionManagerLookup:
> When this error is arisen usually the reason is a problem with the
> transaction provider being used, there are several ways to workaround it, on
> of them is setting the value of the hibernate.transaction.manager lookup
> class property in order to use the container transaction manager.
> As usual another possible reason is a lacking library in the application or
> container lib directory.
> Regards
> David Blevins escribió:
>> On Nov 19, 2009, at 6:19 AM, Martin Elkjær wrote:
>>  I'm trying to use Hibernate as my persistence provider. All my unittests
>>> are
>>> working fine, but when I try to deploy to my Tomcat/OpenEJB server i get
>>> the
>>> following exception in openejb.log:
>>> java.lang.NoClassDefFoundError:
>>> org/hibernate/transaction/TransactionManagerLookup
>>> This class is in hibernate-core.jar which is deployed in my WEB-INF/lib
>>> folder, so I'm a bit confused......
>> If you move the hibernate jars to the tomcat/lib directory it should work
>> fine.
>> -David

Venlig hilsen

Martin Elkjær
Tlf: +45 30275928

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