drools - MySQL jBPM 6.2 deployment error -

after solving couple of issues switch h2 mysql jbpm 6.2; followed instructions modify 3.6.3. using own database . stuck @ error thrown while deployment . has solved this, could'nt find fix. env: wildfly 8.1 jbpm 6.2 final mysql 5.7.9

here's stack trace .failed file.

"{\"jbas014671: failed services\" => {\"jboss.deployment.unit.\\\"jbpm-console.war\\\".weldstartservice\" => \"org.jboss.msc.service.startexception in service jboss.deployment.unit.\\\"jbpm-console.war\\\".weldstartservice: failed start service     caused by: org.jboss.weld.exceptions.deploymentexception: exception list 1 exceptions: exception 0 : org.jboss.weld.exceptions.weldexception: weld-000049: unable invoke public void org.jbpm.executor.impl.executorservicelifecyclecontroller.init() on org.jbpm.executor.impl.executorservicelifecyclecontroller@2742ef77     @ org.jboss.weld.injection.producer.defaultlifecyclecallbackinvoker.invokemethods(defaultlifecyclecallbackinvoker.java:91)     @ org.jboss.weld.injection.producer.defaultlifecyclecallbackinvoker.postconstruct(defaultlifecyclecallbackinvoker.java:72)     @ org.jboss.weld.injection.producer.basicinjectiontarget.postconstruct(basicinjectiontarget.java:95)     @ org.jboss.weld.injection.producer.beaninjectiontarget.postconstruct(beaninjectiontarget.java:63)     @ org.jboss.weld.bean.managedbean.create(managedbean.java:162)     @ org.jboss.weld.context.abstractcontext.get(abstractcontext.java:96)     @ org.jboss.weld.bean.proxy.contextbeaninstance.getinstance(contextbeaninstance.java:98)     @ org.jboss.weld.bean.proxy.proxymethodhandler.invoke(proxymethodhandler.java:78)     @ org.jbpm.executor.impl.executorservicelifecyclecontroller$proxy$_$$_weldclientproxy.tostring(unknown source)     @ org.uberfire.backend.server.cdi.systemconfigproducer.runpostconstruct(systemconfigproducer.java:122)     @ org.uberfire.backend.server.cdi.systemconfigproducer.afterdeploymentvalidation(systemconfigproducer.java:105)     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:57)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     @ java.lang.reflect.method.invoke(method.java:606)     @ org.jboss.weld.injection.methodinjectionpoint.invokeoninstancewithspecialvalue(methodinjectionpoint.java:93)     @ org.jboss.weld.event.observermethodimpl.sendevent(observermethodimpl.java:266)     @ org.jboss.weld.event.extensionobservermethodimpl.sendevent(extensionobservermethodimpl.java:125)     @ org.jboss.weld.event.observermethodimpl.sendevent(observermethodimpl.java:253)     @ org.jboss.weld.event.observermethodimpl.notify(observermethodimpl.java:232)     @ org.jboss.weld.event.observernotifier.notifyobserver(observernotifier.java:169)     @ org.jboss.weld.event.observernotifier.notifyobservers(observernotifier.java:128)     @ org.jboss.weld.event.observernotifier.fireevent(observernotifier.java:102)     @ org.jboss.weld.bootstrap.events.abstractcontainerevent.fire(abstractcontainerevent.java:63)     @ org.jboss.weld.bootstrap.events.abstractdeploymentcontainerevent.fire(abstractdeploymentcontainerevent.java:35)     @ org.jboss.weld.bootstrap.events.afterdeploymentvalidationimpl.fire(afterdeploymentvalidationimpl.java:28)     @ org.jboss.weld.bootstrap.weldstartup.validatebeans(weldstartup.java:396)     @ org.jboss.weld.bootstrap.weldbootstrap.validatebeans(weldbootstrap.java:85)     @ org.jboss.as.weld.weldstartservice.start(weldstartservice.java:93)     @ org.jboss.msc.service.servicecontrollerimpl$starttask.startservice(servicecontrollerimpl.java:1948)     @ org.jboss.msc.service.servicecontrollerimpl$starttask.run(servicecontrollerimpl.java:1881)     @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1145)     @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:615)     @ java.lang.thread.run(thread.java:745) caused by: java.lang.reflect.invocationtargetexception     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:57)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     @ java.lang.reflect.method.invoke(method.java:606)     @ org.jboss.weld.injection.producer.defaultlifecyclecallbackinvoker.invokemethods(defaultlifecyclecallbackinvoker.java:89)     ... 33 more caused by: java.lang.runtimeexception: unable commit transaction     @ org.drools.persistence.jta.jtatransactionmanager.commit(jtatransactionmanager.java:229)     @ org.jbpm.shared.services.impl.transactionalcommandservice.execute(transactionalcommandservice.java:43)     @ org.jbpm.executor.impl.jpa.executorrequestadminserviceimpl.requeue(executorrequestadminserviceimpl.java:77)     @ org.jbpm.executor.impl.executorserviceimpl.requeue(executorserviceimpl.java:218)     @ org.jbpm.executor.impl.executorserviceimpl.init(executorserviceimpl.java:131)     @ org.jbpm.executor.impl.executorservicelifecyclecontroller.init(executorservicelifecyclecontroller.java:38)     ... 38 more caused by: javax.transaction.rollbackexception: arjuna016053: not commit transaction.     @ com.arjuna.ats.internal.jta.transaction.arjunacore.transactionimple.commitanddisassociate(transactionimple.java:1178)     @ com.arjuna.ats.internal.jta.transaction.arjunacore.basetransaction.commit(basetransaction.java:126)     @ com.arjuna.ats.jbossatx.basetransactionmanagerdelegate.commit(basetransactionmanagerdelegate.java:75)     @ org.jboss.tm.usertx.client.servervmclientusertransaction.commit(servervmclientusertransaction.java:173)     @ org.drools.persistence.jta.jtatransactionmanager.commit(jtatransactionmanager.java:226)     ... 43 more caused by: java.lang.throwable: setrollbackonly called from:     @ com.arjuna.ats.internal.jta.transaction.arjunacore.transactionimple.setrollbackonly(transactionimple.java:314)     @ com.arjuna.ats.internal.jta.transaction.arjunacore.basetransaction.setrollbackonly(basetransaction.java:159)     @ com.arjuna.ats.jbossatx.basetransactionmanagerdelegate.setrollbackonly(basetransactionmanagerdelegate.java:123)     @ org.hibernate.jpa.spi.abstractentitymanagerimpl.markforrollbackonly(abstractentitymanagerimpl.java:1544)     @ org.hibernate.jpa.spi.abstractentitymanagerimpl.handlepersistenceexception(abstractentitymanagerimpl.java:1660)     @ org.hibernate.jpa.spi.abstractentitymanagerimpl.convert(abstractentitymanagerimpl.java:1764)     @ org.hibernate.jpa.spi.abstractentitymanagerimpl.convert(abstractentitymanagerimpl.java:1677)     @ org.hibernate.jpa.internal.queryimpl.getresultlist(queryimpl.java:458)     @ org.jbpm.shared.services.impl.jpapersistencecontext.queryintransaction(jpapersistencecontext.java:58)     @ org.jbpm.executor.impl.jpa.executorrequestadminserviceimpl$requeuerunningjobscommand.execute(executorrequestadminserviceimpl.java:103)     @ org.jbpm.executor.impl.jpa.executorrequestadminserviceimpl$requeuerunningjobscommand.execute(executorrequestadminserviceimpl.java:85)         @   org.jbpm.shared.services.impl.transactionalcommandservice.execute(transactionalcommandservice.java:42)         ... 42 more     \"}}"