We need raise an issue with Mondrian folks.

Olap translator: Mondrian ClassNotFoundException moving from v 3.5.0 to 3.12.0 ------------------------------------------------------------------------------ Key: TEIID-4617 URL: https://issues.jboss.org/browse/TEIID-4617 Project: Teiid Issue Type: Bug Components: Misc. Connectors Affects Versions: 8.12.8.6_3 Reporter: Jan Stastny Assignee: Steven Hawkins Attachments: Screenshot from 2016-12-05 07-49-16.png, mondrian.zip, olap4j.zip Change of version of Mondrian from 3.5.0 to 3.12.0 causes class not found exception. {code:plain} 07:44:03,800 WARN [org.teiid.CONNECTOR] (Worker1_QueryProcessorQueue10) Connector worker process failed for atomic-request=NFuIrbxSPuIu.0.3.3: org.teiid.translator.TranslatorException: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/mondrianDS at org.teiid.translator.olap.OlapExecutionFactory.getConnection(OlapExecutionFactory.java:87) [translator-olap-8.12.8.6_3-redhat-1.jar:8.12.8.6_3-redhat-1] at org.teiid.translator.olap.OlapExecutionFactory.getConnection(OlapExecutionFactory.java:45) [translator-olap-8.12.8.6_3-redhat-1.jar:8.12.8.6_3-redhat-1] at org.teiid.translator.ExecutionFactory.getConnection(ExecutionFactory.java:202) [teiid-api-8.12.8.6_3-redhat-1.jar:8.12.8.6_3-redhat-1] at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:330) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_102] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_102] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_102] at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_102] at org.teiid.dqp.internal.datamgr.ConnectorManager$1.invoke(ConnectorManager.java:211) at com.sun.proxy.$Proxy81.execute(Unknown Source) at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:306) at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:112) at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:108) at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_102] at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:65) at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:280) at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_102] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_102] at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_102] Caused by: java.sql.SQLException: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/mondrianDS at org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:151) at org.jboss.as.connector.subsystems.datasources.WildFlyDataSource.getConnection(WildFlyDataSource.java:69) at org.teiid.translator.olap.OlapExecutionFactory.getConnection(OlapExecutionFactory.java:85) [translator-olap-8.12.8.6_3-redhat-1.jar:8.12.8.6_3-redhat-1] ... 20 more Caused by: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/mondrianDS at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.getManagedConnection(AbstractConnectionManager.java:410) at org.jboss.jca.core.connectionmanager.tx.TxConnectionManagerImpl.getManagedConnection(TxConnectionManagerImpl.java:367) at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.allocateConnection(AbstractConnectionManager.java:499) at org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:143) ... 22 more Caused by: javax.resource.ResourceException: IJ000658: Unexpected throwable while trying to create a connection: null at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreArrayListManagedConnectionPool.getConnection(SemaphoreArrayListManagedConnectionPool.java:454) at org.jboss.jca.core.connectionmanager.pool.AbstractPool.getSimpleConnection(AbstractPool.java:457) at org.jboss.jca.core.connectionmanager.pool.AbstractPool.getConnection(AbstractPool.java:429) at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.getManagedConnection(AbstractConnectionManager.java:344) ... 25 more Caused by: javax.resource.ResourceException: Could not create connection at org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:351) at org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:299) at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreArrayListManagedConnectionPool.createConnectionEventListener(SemaphoreArrayListManagedConnectionPool.java:858) at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreArrayListManagedConnectionPool.getConnection(SemaphoreArrayListManagedConnectionPool.java:413) ... 28 more Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: mondrian.spi.impl.JndiDataSourceResolver from [Module "org.jboss.teiid.translator.olap:main" from local module loader @16f65612 (finder: local module finder @311d617d (roots: /home/jstastny/tmp-workspaces/workspace/modules,/home/jstastny/tmp-workspaces/workspace/modules/system/layers/dv,/home/jstastny/tmp-workspaces/workspace/modules/system/layers/base/.overlays/layer-base-jboss-eap-6.4.9.CP,/home/jstastny/tmp-workspaces/workspace/modules/system/layers/base))] at mondrian.util.ClassResolver$AbstractClassResolver.instantiateSafe(ClassResolver.java:84) at mondrian.rolap.RolapConnection.getDataSourceResolver(RolapConnection.java:471) at mondrian.rolap.RolapConnection.createDataSource(RolapConnection.java:427) at mondrian.rolap.RolapConnection.<init>(RolapConnection.java:135) at mondrian.rolap.RolapConnection.<init>(RolapConnection.java:91) at mondrian.olap.DriverManager.getConnection(DriverManager.java:113) at mondrian.olap.DriverManager.getConnection(DriverManager.java:69) at mondrian.olap4j.MondrianOlap4jConnection.<init>(MondrianOlap4jConnection.java:162) at mondrian.olap4j.FactoryJdbc4Plus$AbstractConnection.<init>(FactoryJdbc4Plus.java:323) at mondrian.olap4j.FactoryJdbc41Impl$MondrianOlap4jConnectionJdbc41.<init>(FactoryJdbc41Impl.java:118) at mondrian.olap4j.FactoryJdbc41Impl.newConnection(FactoryJdbc41Impl.java:32) at mondrian.olap4j.MondrianOlap4jDriver.connect(MondrianOlap4jDriver.java:97) at org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:323) ... 31 more Caused by: java.lang.ClassNotFoundException: mondrian.spi.impl.JndiDataSourceResolver from [Module "org.jboss.teiid.translator.olap:main" from local module loader @16f65612 (finder: local module finder @311d617d (roots: /home/jstastny/tmp-workspaces/workspace/modules,/home/jstastny/tmp-workspaces/workspace/modules/system/layers/dv,/home/jstastny/tmp-workspaces/workspace/modules/system/layers/base/.overlays/layer-base-jboss-eap-6.4.9.CP,/home/jstastny/tmp-workspaces/workspace/modules/system/layers/base))] at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213) [jboss-modules.jar:1.3.7.Final-redhat-1] at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:459) [jboss-modules.jar:1.3.7.Final-redhat-1] at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:408) [jboss-modules.jar:1.3.7.Final-redhat-1] at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:389) [jboss-modules.jar:1.3.7.Final-redhat-1] at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:134) [jboss-modules.jar:1.3.7.Final-redhat-1] at java.lang.Class.forName0(Native Method) [rt.jar:1.8.0_102] at java.lang.Class.forName(Class.java:348) [rt.jar:1.8.0_102] at mondrian.util.ClassResolver$AbstractClassResolver.forName(ClassResolver.java:92) at mondrian.util.ClassResolver$AbstractClassResolver.instantiateSafe(ClassResolver.java:63) ... 43 more {code} But the class is present in the new version of Mondrian too, see attached screenshot with decompiled jar structure. One workaround I found was to add dependency into olap translator's module.xml pointing at the org.mondrian module, which contains the mondrian jar. But this action is not required when using Mondrian 3.5.0.