SalesForce.com - Unable to get managed connection - java.lang.NullPointerException

Connection to SalesForce.com with the attached SalesForce VDB and DS file works in ER5 but is failing in ER6. It is failing with the NullPointer below. If the URL property in the DS file is removed a connection can be made and queries work successfully.

2010-12-21 13:01:26,835 DEBUG [org.teiid.PROCESSOR] (Worker16_QueryProcessorQueue237) [Ljava.lang.Object;@1b66915
[TeiidProcessingException]Unable to get managed connection for salesforce
1 [TranslatorException]Unable to get managed connection for salesforce
2 [ResourceException]Unable to get managed connection for salesforce
3 [JBossResourceException]Unexpected throwable while trying to create a connection: null; - nested throwable: (java.lang.NullPointerException)
4 [NullPointerException]
at org.teiid.dqp.internal.process.DataTierTupleSource.exceptionOccurred(DataTierTupleSource.java:371)
at org.teiid.dqp.internal.process.DataTierTupleSource.nextTuple(DataTierTupleSource.java:214)
at org.teiid.query.processor.relational.AccessNode.nextBatchDirect(AccessNode.java:154)
at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:274)
at org.teiid.query.processor.relational.RelationalPlan.nextBatch(RelationalPlan.java:107)
at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:150)
at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:105)
at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:115)
at org.teiid.dqp.internal.process.RequestWorkItem.processMore(RequestWorkItem.java:250)
at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:184)
at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:49)
at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:188)
at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:116)
at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:290)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
Caused by: [TranslatorException]Unable to get managed connection for salesforce
1 [ResourceException]Unable to get managed connection for salesforce
2 [JBossResourceException]Unexpected throwable while trying to create a connection: null; - nested throwable: (java.lang.NullPointerException)
3 [NullPointerException]
at org.teiid.translator.ExecutionFactory.getConnection(ExecutionFactory.java:146)
at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:198)
at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:281)
at org.teiid.dqp.internal.process.DataTierTupleSource.access$000(DataTierTupleSource.java:71)
at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:123)
at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:120)
at org.teiid.dqp.internal.process.DQPCore$FutureWork.run(DQPCore.java:108)
... 6 more
Caused by: javax.resource.ResourceException: Unable to get managed connection for salesforce
at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:441)
at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:381)
at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:496)
at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:941)
at org.teiid.resource.spi.WrappedConnectionFactory.getConnection(WrappedConnectionFactory.java:53)
at org.teiid.translator.ExecutionFactory.getConnection(ExecutionFactory.java:144)
... 12 more
Caused by: org.jboss.resource.JBossResourceException: Unexpected throwable while trying to create a connection: null; - nested throwable: (java.lang.NullPointerException)
at org.jboss.resource.JBossResourceException.rethrowAsResourceException(JBossResourceException.java:61)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:304)
at org.jboss.resource.connectionmanager.JBossManagedConnectionPool$BasePool.getConnection(JBossManagedConnectionPool.java:690)
at org.jboss.resource.connectionmanager.BaseConnectionManager2.getManagedConnection(BaseConnectionManager2.java:404)
... 17 more
Caused by: java.lang.NullPointerException
at org.teiid.resource.adapter.salesforce.SalesforceConnectionImpl.login(SalesforceConnectionImpl.java:111)
at org.teiid.resource.adapter.salesforce.SalesforceConnectionImpl.<init>(SalesforceConnectionImpl.java:76)
at org.teiid.resource.adapter.salesforce.SalesForceManagedConnectionFactory$1.getConnection(SalesForceManagedConnectionFactory.java:76)
at org.teiid.resource.adapter.salesforce.SalesForceManagedConnectionFactory$1.getConnection(SalesForceManagedConnectionFactory.java:71)
at org.teiid.resource.spi.BasicManagedConnectionFactory.createManagedConnection(BasicManagedConnectionFactory.java:70)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnectionEventListener(InternalManagedConnectionPool.java:639)
at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.getConnection(InternalManagedConnectionPool.java:273)
... 19 more