[jboss-user] [JBoss Cache: Core Edition] - ] No transaction manager lookup class has been defined. Tran

[MarcusDidiusFalco]

Hallo!

With JBoss 3.2.7, JBoss Cache 1.2, 
treecache-service.xml:


<server>
  | 
  |   <classpath codebase="lib" archives="jboss-cache.jar, jgroups.jar"/>
  | 
  |   
  |   <mbean code="org.jboss.cache.TreeCache" name="jboss.cache:service=TreeCache">
  |     <depends>jboss:service=Naming</depends> 
  |     
  | 	<depends>jboss:service=TransactionManager</depends> 
  | 
  | 
  |     <!-- Configure the TransactionManager  -->
  |     <attribute name="TransactionManagerLookupClass">org.jboss.cache.DummyTransactionManagerLookup</attribute> 
  |     <!--
  |             Node locking level : SERIALIZABLE
  |                                  REPEATABLE_READ (default)
  |                                  READ_COMMITTED
  |                                  READ_UNCOMMITTED
  |                                  NONE        
  |       -->
  |     <attribute name="IsolationLevel">REPEATABLE_READ</attribute> 
  | 
  |     <!--     Valid modes are LOCAL
  |                              REPL_ASYNC
  |                              REPL_SYNC
  |     --> 
  |     <attribute name="CacheMode">REPL_ASYNC</attribute>
  |  
  |     <!-- Name of cluster. Needs to be the same for all clusters, in order
  |              to find each other --> 
  |     <attribute name="ClusterName">TreeCache-Cluster</attribute> 
  | ....
  | 
I get 
16:08:55,724 WARN  [TreeCache] No transaction manager lookup class has been defined. Transactions cannot be used   

When I use
 <attribute name="TransactionManagerLookupClass">org.jboss.cache.JBossTransactionManagerLookup</attribute>
  |  instead of the DummyTransactionManagerLookup
I get 
13:20:35,493 ERROR [TreeCache] Starting failed jboss.cache:service=TreeCache
  | java.lang.ClassNotFoundException: No ClassLoaders found for: org.jboss.cache.transaction.GenericTransactionManagerLookup
  | 	at org.jboss.mx.loading.LoadMgr3.beginLoadTask(LoadMgr3.java:275)
  | 
Which TransactionManagerLookup am I supposed to use to make Transactions work?
What is this Dummy supposed to do? In an example configuration in the documentation for JBoss Cache 1.2 the Dummy is used ( ????? ).

Thanks for any advise.

Hans

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