when starting the process:

gistfile1.txt

16:35:16,643 ERROR [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (http-localhost/127.0.0.1:8080-2) HHH000352: Unable to release batch statement...
16:35:16,643 ERROR [org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl] (http-localhost/127.0.0.1:8080-2) HHH000246: SQLException escaped proxy: java.sql.SQLException: Connection is not associated with a managed connection.org.jboss.jca.adapters.jdbc.jdk6.WrappedConnectionJDK6@1879219e
	at org.jboss.jca.adapters.jdbc.WrappedConnection.lock(WrappedConnection.java:155)
	at org.jboss.jca.adapters.jdbc.WrappedStatement.lock(WrappedStatement.java:114)
	at org.jboss.jca.adapters.jdbc.WrappedStatement.clearBatch(WrappedStatement.java:1037)
	at org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl.releaseStatements(AbstractBatchImpl.java:163) [hibernate-core-4.2.0.SP1-redhat-1.jar:4.2.0.SP1-redhat-1]
	at org.hibernate.engine.jdbc.batch.internal.AbstractBatchImpl.release(AbstractBatchImpl.java:197) [hibernate-core-4.2.0.SP1-redhat-1.jar:4.2.0.SP1-redhat-1]
	at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.close(JdbcCoordinatorImpl.java:174) [hibernate-core-4.2.0.SP1-redhat-1.jar:4.2.0.SP1-redhat-1]
	at org.hibernate.engine.transaction.internal.TransactionCoordinatorImpl.close(TransactionCoordinatorImpl.java:277) [hibernate-core-4.2.0.SP1-redhat-1.jar:4.2.0.SP1-redhat-1]
	at org.hibernate.internal.SessionImpl.close(SessionImpl.java:354) [hibernate-core-4.2.0.SP1-redhat-1.jar:4.2.0.SP1-redhat-1]
	at org.hibernate.ejb.EntityManagerImpl.close(EntityManagerImpl.java:137) [hibernate-entitymanager-4.2.0.SP1-redhat-1.jar:4.2.0.SP1-redhat-1]
	at org.kie.workbench.backend.RequestScopedProducer.close(RequestScopedProducer.java:33) [classes:]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_45]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [rt.jar:1.6.0_45]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [rt.jar:1.6.0_45]
	at java.lang.reflect.Method.invoke(Method.java:597) [rt.jar:1.6.0_45]
	at org.jboss.weld.util.reflection.SecureReflections$13.work(SecureReflections.java:267) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:52) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInvocation(SecureReflectionAccess.java:137) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.util.reflection.SecureReflections.invoke(SecureReflections.java:263) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.introspector.jlr.WeldMethodImpl.invokeOnInstance(WeldMethodImpl.java:170) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.introspector.ForwardingWeldMethod.invokeOnInstance(ForwardingWeldMethod.java:51) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.injection.MethodInjectionPoint.invokeOnInstanceWithSpecialValue(MethodInjectionPoint.java:154) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.bean.DisposalMethod.invokeDisposeMethod(DisposalMethod.java:159) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.bean.ProducerMethod$ProducerMethodProducer.dispose(ProducerMethod.java:126) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.bean.ProducerMethod.destroy(ProducerMethod.java:197) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.context.ForwardingContextual.destroy(ForwardingContextual.java:31) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.context.AbstractContext.destroy(AbstractContext.java:126) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.context.AbstractContext.destroy(AbstractContext.java:140) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.context.AbstractManagedContext.deactivate(AbstractManagedContext.java:41) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.context.AbstractBoundContext.deactivate(AbstractBoundContext.java:72) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.context.http.HttpRequestContextImpl.deactivate(HttpRequestContextImpl.java:86) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.jboss.weld.servlet.WeldListener.requestDestroyed(WeldListener.java:103) [weld-core-1.1.13.Final-redhat-1.jar:1.1.13.Final-redhat-1]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:175) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:336) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:920) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
	at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_45]