[rules-users] Drools Flow JPA persistence error while Connecting to MySql Database.
Pardeep.Ruhil at lntinfotech.com
Pardeep.Ruhil at lntinfotech.com
Thu Oct 22 23:55:58 EDT 2009
Hi,
I am trying to run the project given at
http://blog.athico.com/2009/09/drools-flow-variable-persistence.html.
I am successfully able to run the same in default H2 database, but when I
am trying to run the project, taking Mysql database for persistence. I am
not able to run the demo project as i m getting this error.
ct 23, 2009 8:54:25 AM org.hibernate.impl.SessionFactoryObjectFactory
addInstance
INFO: Not binding factory to JNDI, no JNDI name configured
Oct 23, 2009 8:54:25 AM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: Running hbm2ddl schema export
Oct 23, 2009 8:54:25 AM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: exporting generated schema to database
Oct 23, 2009 8:54:26 AM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: schema export complete
Oct 23, 2009 8:54:26 AM bitronix.tm.BitronixTransactionManager logVersion
INFO: Bitronix Transaction Manager version 1.3.2
Oct 23, 2009 8:54:26 AM bitronix.tm.Configuration buildServerIdArray
WARNING: cannot get this JVM unique ID. Make sure it is configured and you
only use ASCII characters. Will use IP address instead (unsafe for
production usage!).
Oct 23, 2009 8:54:26 AM bitronix.tm.Configuration buildServerIdArray
INFO: JVM unique ID: <172.17.88.140>
Oct 23, 2009 8:54:27 AM bitronix.tm.journal.DiskJournal open
WARNING: active log file is unclean, previous server crash ?
Oct 23, 2009 8:54:27 AM bitronix.tm.recovery.Recoverer run
INFO: recovery committed 0 dangling transaction(s) and rolled back 0
aborted transaction(s) on 1 resource(s) [jdbc/testDS1]
Fri Oct 23 08:54:27 IST 2009 DEBUG: Executing XA statement: XA START
0x3137322e31372e38382e313430000001247f6c815f00000000,0x3137322e31372e38382e313430000001247f6c81ad00000002,0x42746e78
Fri Oct 23 08:54:27 IST 2009 DEBUG: Executing XA statement: XA END
0x3137322e31372e38382e313430000001247f6c815f00000000,0x3137322e31372e38382e313430000001247f6c81ad00000002,0x42746e78
Fri Oct 23 08:54:27 IST 2009 DEBUG: Executing XA statement: XA COMMIT
0x3137322e31372e38382e313430000001247f6c815f00000000,0x3137322e31372e38382e313430000001247f6c81ad00000002,0x42746e78
ONE PHASE
Kession id is1
Session object
isorg.drools.process.command.impl.CommandBasedStatefulKnowledgeSession at 152b6f5
### Starting process ###
Fri Oct 23 08:54:28 IST 2009 DEBUG: Executing XA statement: XA START
0x3137322e31372e38382e313430000001247f6c81fb00000007,0x3137322e31372e38382e313430000001247f6c821b00000009,0x42746e78
x Ac = SomeString
y = VARIABLE: null - This is a test Entity
z = Serializable Variable: This is a test SerializableObject
Fri Oct 23 08:54:28 IST 2009 DEBUG: Executing XA statement: XA END
0x3137322e31372e38382e313430000001247f6c81fb00000007,0x3137322e31372e38382e313430000001247f6c821b00000009,0x42746e78
Fri Oct 23 08:54:28 IST 2009 DEBUG: Executing XA statement: XA COMMIT
0x3137322e31372e38382e313430000001247f6c81fb00000007,0x3137322e31372e38382e313430000001247f6c821b00000009,0x42746e78
ONE PHASE
### Retrieving process instance ###
Fri Oct 23 08:54:28 IST 2009 DEBUG: Executing XA statement: XA START
0x3137322e31372e38382e313430000001247f6c82880000000e,0x3137322e31372e38382e313430000001247f6c828800000010,0x42746e78
AUTO
Oct 23, 2009 8:54:28 AM org.hibernate.util.JDBCExceptionReporter
logExceptions
WARNING: SQL Error: 0, SQLState: null
Oct 23, 2009 8:54:28 AM org.hibernate.util.JDBCExceptionReporter
logExceptions
SEVERE: error enlisting a JdbcConnectionHandle of a JdbcPooledConnection
from datasource jdbc/testDS1 in state ACCESSIBLE wrapping
com.mysql.jdbc.jdbc2.optional.MysqlXAConnection at 126aaca on
com.mysql.jdbc.jdbc2.optional.ConnectionWrapper at 1a1b2f
Oct 23, 2009 8:54:28 AM org.hibernate.event.def.DefaultLoadEventListener
onLoad
INFO: Error performing load command
org.hibernate.exception.GenericJDBCException: could not load an entity:
[org.drools.persistence.session.SessionInfo#1]
at
org.hibernate.exception.SQLStateConverter.handledNonSpecificException(
SQLStateConverter.java:126)
at org.hibernate.exception.SQLStateConverter.convert(
SQLStateConverter.java:114)
at org.hibernate.exception.JDBCExceptionHelper.convert(
JDBCExceptionHelper.java:66)
at org.hibernate.loader.Loader.loadEntity(Loader.java:1895)
at org.hibernate.loader.entity.AbstractEntityLoader.load(
AbstractEntityLoader.java:71)
at org.hibernate.loader.entity.AbstractEntityLoader.load(
AbstractEntityLoader.java:65)
at org.hibernate.persister.entity.AbstractEntityPersister.load(
AbstractEntityPersister.java:3072)
at
org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(
DefaultLoadEventListener.java:434)
at org.hibernate.event.def.DefaultLoadEventListener.doLoad(
DefaultLoadEventListener.java:415)
at org.hibernate.event.def.DefaultLoadEventListener.load(
DefaultLoadEventListener.java:165)
at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(
DefaultLoadEventListener.java:223)
at org.hibernate.event.def.DefaultLoadEventListener.onLoad(
DefaultLoadEventListener.java:126)
at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:905)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:842)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:835)
at org.hibernate.ejb.AbstractEntityManagerImpl.find(
AbstractEntityManagerImpl.java:182)
at
org.drools.persistence.session.SingleSessionCommandService.<init>(
SingleSessionCommandService.java:153)
at
org.drools.persistence.jpa.impl.JPAKnowledgeServiceProviderImpl.loadStatefulKnowledgeSession(
JPAKnowledgeServiceProviderImpl.java:75)
at
org.drools.persistence.jpa.JPAKnowledgeService.loadStatefulKnowledgeSession(
JPAKnowledgeService.java:102)
at org.plugtree.labs.VariablePersistenceStrategiesTest.testApp(
VariablePersistenceStrategiesTest.java:158)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at
org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(
JUnit3TestReference.java:130)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(
TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(
RemoteTestRunner.java:460)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(
RemoteTestRunner.java:673)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(
RemoteTestRunner.java:386)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(
RemoteTestRunner.java:196)
Caused by: java.sql.SQLException: error enlisting a JdbcConnectionHandle
of a JdbcPooledConnection from datasource jdbc/testDS1 in state ACCESSIBLE
wrapping com.mysql.jdbc.jdbc2.optional.MysqlXAConnection at 126aaca on
com.mysql.jdbc.jdbc2.optional.ConnectionWrapper at 1a1b2f
at bitronix.tm.resource.jdbc.JdbcConnectionHandle.enlistResource(
JdbcConnectionHandle.java:61)
at
bitronix.tm.resource.jdbc.JdbcConnectionHandle.prepareStatement(
JdbcConnectionHandle.java:200)
at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(
AbstractBatcher.java:534)
at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(
AbstractBatcher.java:452)
at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(
AbstractBatcher.java:161)
at org.hibernate.loader.Loader.prepareQueryStatement(
Loader.java:1573)
at org.hibernate.loader.Loader.doQuery(Loader.java:696)
at
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(
Loader.java:259)
at org.hibernate.loader.Loader.loadEntity(Loader.java:1881)
... 34 more
Caused by: bitronix.tm.internal.BitronixSystemException: cannot enlist an
XAResourceHolderState with uniqueName=jdbc/testDS1
XAResource=com.mysql.jdbc.jdbc2.optional.MysqlXAConnection at 126aaca with
XID a Bitronix XID [3137322E31372E38382E313430000001247F6C82880000000E :
3137322E31372E38382E313430000001247F6C828800000010], error=XAER_OUTSIDE
at bitronix.tm.BitronixTransaction.enlistResource(
BitronixTransaction.java:83)
at bitronix.tm.resource.common.TransactionContextHelper.enlist(
TransactionContextHelper.java:267)
at
bitronix.tm.resource.common.TransactionContextHelper.enlistInCurrentTransaction(
TransactionContextHelper.java:49)
at bitronix.tm.resource.jdbc.JdbcConnectionHandle.enlistResource(
JdbcConnectionHandle.java:59)
... 42 more
Caused by: com.mysql.jdbc.jdbc2.optional.MysqlXAException: XAER_OUTSIDE:
Some work is done outside global transaction
at
com.mysql.jdbc.jdbc2.optional.MysqlXAConnection.mapXAExceptionFromSQLException(
MysqlXAConnection.java:562)
at
com.mysql.jdbc.jdbc2.optional.MysqlXAConnection.dispatchCommand(
MysqlXAConnection.java:545)
at com.mysql.jdbc.jdbc2.optional.MysqlXAConnection.start(
MysqlXAConnection.java:485)
at bitronix.tm.internal.XAResourceHolderState.start(
XAResourceHolderState.java:179)
at bitronix.tm.internal.XAResourceManager.enlist(
XAResourceManager.java:89)
at bitronix.tm.BitronixTransaction.enlistResource(
BitronixTransaction.java:76)
... 45 more
When I searched for this exception I got to know that : In MySql for XA
transactions For XA START, the JOIN and RESUME clauses are not supported.
for more details
http://dev.mysql.com/doc/refman/5.0/en/xa-restrictions.html.
But in the class org.drools.persistence.session.
SingleSessionCommandService.java we are using code for join transaction
this.em.joinTransaction();
sessionInfo = this.em.find( SessionInfo.class, sessionId );
So please tell me how to get rid of this exception. Also is there
something which I have missed for configuation with Mysql database.
Please help me to get resovle this problem.
Thanks & Regards
Pardeep Ruhil
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