[jboss-user] [jBPM] - Re: JPBM persistence and transaction Questions

Sam Mano [https://community.jboss.org/people/artist123] created the discussion "Re: JPBM persistence and transaction Questions" To view the discussion, visit: https://community.jboss.org/message/779978#779978 -------------------------------------------------------------- Yes, It is working fine while using single persistence unit with LocalHT, what happen if I want to use mina or hornetq. Is still applicable using single persistence unit? I tried HT server starts good, but process fails...while creating the knowledgesession from jpaknowlege service, the environment breaks bcos of btm transactionservice (i am using com.mysql.jdbc.jdbc2.optional.MysqlXADataSource not btm) I got the following error... javax.persistence.PersistenceException: [PersistenceUnit: org.jbpm.runtime.ht] Unable to build EntityManagerFactory at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:677) at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:126) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:52) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:34) at com.salaboy.jbpm5.ProcessTest.createKnowledgeSession(ProcessTest.java:102) at com.salaboy.jbpm5.ProcessTest.main(ProcessTest.java:59) Caused by: org.hibernate.HibernateException: Could not obtain BTM transaction manager instance at org.hibernate.transaction.BTMTransactionManagerLookup.getTransactionManager(BTMTransactionManagerLookup.java:50) at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:367) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1341) at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867) at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:669) ... 5 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:600) at org.hibernate.transaction.BTMTransactionManagerLookup.getTransactionManager(BTMTransactionManagerLookup.java:47) ... 9 more Caused by: bitronix.tm.utils.InitializationException: cannot open disk journal at bitronix.tm.BitronixTransactionManager.<init>(BitronixTransactionManager.java:75) at bitronix.tm.TransactionManagerServices.getTransactionManager(TransactionManagerServices.java:62) ... 14 more Caused by: java.io.IOException: The process cannot access the file because another process has locked a portion of the file. at java.io.FileDescriptor.read(Native Method) at java.io.FileDescriptor.read(FileDescriptor.java:77) at java.io.RandomAccessFile.read(RandomAccessFile.java:308) at java.io.RandomAccessFile.readInt(RandomAccessFile.java:762) at bitronix.tm.journal.TransactionLogHeader.<init>(TransactionLogHeader.java:96) at bitronix.tm.journal.TransactionLogAppender.<init>(TransactionLogAppender.java:69) at bitronix.tm.journal.DiskJournal.open(DiskJournal.java:151) at bitronix.tm.BitronixTransactionManager.<init>(BitronixTransactionManager.java:62) ... 15 more  -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/779978#779978] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]