NullPointerException running QA Analisys in JBoss BRMS 5.1

Issue

• If you have in Guvnor a package with Decision Tables, you can't run QA Analisys. The server log file has the following Stack Trace:

    2011-08-10 11:38:46,724 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/jboss-brms]] (http-127.0.0.1-8080-3) Exception while dispatching incoming RPC call
    com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract org.drools.guvnor.client.rpc.AnalysisReport org.drools.guvnor.client.rpc.VerificationService.analysePackage(java.lang.String) throws com.google.gwt.user.client.rpc.SerializationException' threw an unexpected exception: java.lang.NullPointerException
         at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:378)
         at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:581)
         at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:188)
         at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:224)
    ...
    Caused by: java.lang.NullPointerException
         at org.drools.decisiontable.DecisionTableProviderImpl.compileStream(DecisionTableProviderImpl.java:26)
         at org.drools.decisiontable.DecisionTableProviderImpl.loadFromInputStream(DecisionTableProviderImpl.java:19)