On Tue, Jun 15, 2010 at 9:41 PM, Rob Collins <RCollins@patientsafesolutions.com> wrote:

The idea of the tests is to ensure that our implementation is thread-safe. Each thread in the test creates its own Drools session and executes its own workflow (which contains actions and work items that involve user interaction that is simulated by the unit test).

This scenario tests the real-world case of our server handling sessions from multiple users. There should NOT be cross-talk between these sessions. Without persistence, everything works as expected. With persistence enabled, two sessions running in parallel are enough to fail 100% of the time.

Each thread creates a session like this:
session = JPAKnowledgeService.newStatefulKnowledgeSession(getKnowledgeBase(), null, getEnvironment());

The calls to getEnvironment() return the same value each time it is called called. Is this right?

The environment is created like this:
EntityManagerFactory emf = Persistence.createEntityManagerFactory("org.drools.persistence.jpa");
environment = KnowledgeBaseFactory.newEnvironment();
environment.set(EnvironmentName.ENTITY_MANAGER_FACTORY, emf);

Any idea where I messed up?

Thanks,
Rob

On Jun 15, 2010, at 5:58 PM, Mauricio Salatino wrote:

What kind of thread safe tests are you doing?
if multiple threads modify the status of the process, only one of them will commit the new status, and the other ones will rollback the transaction because of a bad state.

Is that what you are looking for?

On Tue, Jun 15, 2010 at 3:33 PM, Rob Collins <RCollins@patientsafesolutions.com<mailto:RCollins@patientsafesolutions.com>> wrote:
We are using version 5.1.0.M1. We have long-running processes (flows). They are long-running because we have work item nodes that involve the user of our application to do something. We are in the development cycle of our product and everything is going well. I am trying to configure persistence and running into some issues.

I am to the point where our basic unit tests appear to be running fine with persistence enabled both in the container (tomcat6) and in our unit testing environment (ServletUnit).

We have unit tests that run the same test in multiple threads in parallel (the idea is to try to expose thread safety issues), and these tests always fail. At the end of this message, I have pasted a few of the different stack traces I have seen.

I expect that I have done something silly in the configuration, and I could use some help in finding it. I am not sure if the problem is my configuration of JPA, Hibernate, the DataSource, or if it is an interaction between what Drools is expecting and the details of my configuration.

Thanks,
Rob Collins

>From my spring configuration:


<bean id="transactionManager" class="org.springframework.transaction.jta.JtaTransactionManager"
depends-on="bitronixTransactionManager">
<property name="transactionManager" ref="bitronixTransactionManager" />
<property name="userTransaction" ref="bitronixTransactionManager" />
</bean>


<bean id="btmConfig" class="bitronix.tm.TransactionManagerServices" factory-method="getConfiguration">
<property name="serverId" value="spring-btm" />
</bean>


<bean id="bitronixTransactionManager" class="bitronix.tm.TransactionManagerServices"
factory-method="getTransactionManager" depends-on="btmConfig"
destroy-method="shutdown" />

<bean id="sessionDataSource" class="bitronix.tm.resource.jdbc.PoolingDataSource" init-method="init" destroy-method="close">
<property name="className" value="com.mysql.jdbc.jdbc2.optional.MysqlXADataSource" />
<property name="uniqueName" value="jdbc/processInstanceDS" />
<property name="maxPoolSize" value="8" />
<property name="allowLocalTransactions" value="true" />
<property name="driverProperties">
<props>
<prop key="URL">${db.session.connection.url}</prop>
<prop key="user">${db.session.username}</prop>
<prop key="password">${db.session.password}</prop>
</props>
</property>
</bean>

My persistence.xml:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<persistence version="1.0"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd
http://java.sun.com/xml/ns/persistence/orm
http://java.sun.com/xml/ns/persistence/orm_1_0.xsd"
xmlns:orm="http://java.sun.com/xml/ns/persistence/orm"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/persistence">

<persistence-unit name="org.drools.persistence.jpa">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<jta-data-source>jdbc/processInstanceDS</jta-data-source>
<class>org.drools.persistence.session.SessionInfo</class>
<class>org.drools.persistence.processinstance.ProcessInstanceInfo</class>
<class>org.drools.persistence.processinstance.ProcessInstanceEventInfo</class>
<class>org.drools.persistence.processinstance.WorkItemInfo</class>
<class>org.drools.persistence.processinstance.variabletypes.VariableInstanceInfo</class>
<class>org.drools.persistence.processinstance.variabletypes.JPAPersistedVariable</class>

<properties>
<property name="hibernate.max_fetch_depth" value="3" />
<property name="hibernate.hbm2ddl.auto" value="create-drop"/>
<property name="hibernate.show_sql" value="true" />
<property name="hibernate.transaction.manager_lookup_class"
value="org.hibernate.transaction.BTMTransactionManagerLookup" />
<property name="hibernate.jndi.class" value="bitronix.tm.jndi.BitronixInitialContextFactory" />
</properties>
</persistence-unit>
</persistence>

java.lang.NullPointerException
at org.drools.persistence.processinstance.JPAProcessInstanceManager.addProcessInstance(JPAProcessInstanceManager.java:33)
at org.drools.process.instance.AbstractProcessInstanceFactory.createProcessInstance(AbstractProcessInstanceFactory.java:37)
at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1706)
at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1682)
at org.drools.workflow.instance.node.SubProcessNodeInstance.internalTrigger(SubProcessNodeInstance.java:115)
at org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:112)
at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:148)
at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:135)
at org.drools.workflow.instance.node.JoinInstance.triggerCompleted(JoinInstance.java:152)
at org.drools.workflow.instance.node.JoinInstance.internalTrigger(JoinInstance.java:52)
at org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:112)
at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:148)
at org.drools.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:74)
at org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:112)
at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:148)
at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:135)
at org.drools.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49)
at org.drools.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41)
at org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:112)
at org.drools.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:16)
at org.drools.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:185)
at org.drools.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:230)
at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1689)
at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:289)
at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:52)
at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:14)
at org.drools.persistence.session.SingleSessionCommandService.execute(SingleSessionCommandService.java:254)
at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:163)
at com.patientsafesolutions.application.controllers.DroolsWorkflowController.startWorkflowProcess(DroolsWorkflowController.java:310)
at com.patientsafesolutions.application.controllers.DroolsWorkflowController.drools(DroolsWorkflowController.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.doInvokeMethod(HandlerMethodInvoker.java:710)
at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:167)
at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:414)
at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:402)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:563)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.meterware.servletunit.InvocationContextImpl.service(InvocationContextImpl.java:76)
at com.meterware.servletunit.ServletUnitClient.newResponse(ServletUnitClient.java:126)
at com.meterware.httpunit.WebClient.createResponse(WebClient.java:667)
at com.meterware.httpunit.WebWindow.getResource(WebWindow.java:220)
at com.meterware.httpunit.WebWindow.getSubframeResponse(WebWindow.java:181)
at com.meterware.httpunit.WebWindow.getResponse(WebWindow.java:158)
at com.meterware.httpunit.WebClient.getResponse(WebClient.java:122)
at com.patientsafesolutions.test.http.Request.submit(Request.java:115)
at com.patientsafesolutions.test.http.Request.post(Request.java:20)
at com.patientsafesolutions.api.httptest.LogicalViewHttpTest.navigateToHome(LogicalViewHttpTest.java:57)
at com.patientsafesolutions.api.httptest.LogicalViewHttpTest.navigateToPatient(LogicalViewHttpTest.java:100)
at com.patientsafesolutions.api.httptest.HomeTests.homeLogicalView(HomeTests.java:14)
at com.patientsafesolutions.api.httptest.HomeTests$1.run(HomeTests.java:23)
at com.patientsafesolutions.test.http.HttpTest$ThreadWithThrowable$1.run(HttpTest.java:241)
at java.lang.Thread.run(Thread.java:637)

org.hibernate.exception.GenericJDBCException: Cannot release connection
at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103)
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29)
at org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:455)
at org.hibernate.jdbc.ConnectionManager.aggressiveRelease(ConnectionManager.java:406)
at org.hibernate.jdbc.ConnectionManager.afterTransaction(ConnectionManager.java:298)
at org.hibernate.jdbc.JDBCContext.afterTransactionCompletion(JDBCContext.java:225)
at org.hibernate.transaction.CacheSynchronization.afterCompletion(CacheSynchronization.java:85)
at bitronix.tm.BitronixTransaction.fireAfterCompletionEvent(BitronixTransaction.java:416)
at bitronix.tm.BitronixTransaction.commit(BitronixTransaction.java:195)
at bitronix.tm.BitronixTransactionManager.commit(BitronixTransactionManager.java:95)
at org.drools.persistence.session.SingleSessionCommandService.execute(SingleSessionCommandService.java:258)
at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:163)
at com.patientsafesolutions.application.controllers.DroolsWorkflowController.startWorkflowProcess(DroolsWorkflowController.java:310)
at com.patientsafesolutions.application.controllers.DroolsWorkflowController.drools(DroolsWorkflowController.java:85)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.doInvokeMethod(HandlerMethodInvoker.java:710)
at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:167)
at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:414)
at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:402)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:563)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.meterware.servletunit.InvocationContextImpl.service(InvocationContextImpl.java:76)
at com.meterware.servletunit.ServletUnitClient.newResponse(ServletUnitClient.java:126)
at com.meterware.httpunit.WebClient.createResponse(WebClient.java:667)
at com.meterware.httpunit.WebWindow.getResource(WebWindow.java:220)
at com.meterware.httpunit.WebWindow.getSubframeResponse(WebWindow.java:181)
at com.meterware.httpunit.WebWindow.getResponse(WebWindow.java:158)
at com.meterware.httpunit.WebClient.getResponse(WebClient.java:122)
at com.patientsafesolutions.test.http.Request.submit(Request.java:115)
at com.patientsafesolutions.test.http.Request.post(Request.java:20)
at com.patientsafesolutions.api.httptest.LogicalViewHttpTest.navigateToHome(LogicalViewHttpTest.java:57)
at com.patientsafesolutions.api.httptest.LogicalViewHttpTest.navigateToPatient(LogicalViewHttpTest.java:100)
at com.patientsafesolutions.api.httptest.HomeTests.homeLogicalView(HomeTests.java:14)
at com.patientsafesolutions.api.httptest.HomeTests$1.run(HomeTests.java:23)
at com.patientsafesolutions.test.http.HttpTest$ThreadWithThrowable$1.run(HttpTest.java:241)
at java.lang.Thread.run(Thread.java:637)
Caused by: java.sql.SQLException: error requeueing a JdbcPooledConnection from datasource jdbc/processInstanceDS in state ACCESSIBLE wrapping com.mysql.jdbc.jdbc2.optional.MysqlXAConnection@4128dca6
at bitronix.tm.resource.jdbc.JdbcPooledConnection.release(JdbcPooledConnection.java:148)
at bitronix.tm.resource.jdbc.JdbcConnectionHandle.close(JdbcConnectionHandle.java:77)
at org.hibernate.connection.DatasourceConnectionProvider.closeConnection(DatasourceConnectionProvider.java:74)
at org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:451)
... 40 more
Caused by: bitronix.tm.internal.BitronixSystemException: cannot close a resource when its XAResource is taking part in an unfinished global transaction
at bitronix.tm.resource.common.TransactionContextHelper.requeue(TransactionContextHelper.java:117)
at bitronix.tm.resource.jdbc.JdbcPooledConnection.release(JdbcPooledConnection.java:146)
... 43 more

java.lang.IllegalArgumentException: Unknown node instance type: org.drools.workflow.instance.node.ActionNodeInstance@2b7194a4
at org.drools.marshalling.impl.AbstractProcessInstanceMarshaller.writeNodeInstanceContent(AbstractProcessInstanceMarshaller.java:243)
at org.drools.marshalling.impl.AbstractProcessInstanceMarshaller.writeNodeInstance(AbstractProcessInstanceMarshaller.java:117)
at org.drools.marshalling.impl.AbstractProcessInstanceMarshaller.writeProcessInstance(AbstractProcessInstanceMarshaller.java:106)
at org.drools.persistence.processinstance.ProcessInstanceInfo.update(ProcessInstanceInfo.java:237)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.hibernate.ejb.event.BeanCallback.invoke(BeanCallback.java:23)
at org.hibernate.ejb.event.EntityCallbackHandler.callback(EntityCallbackHandler.java:80)
at org.hibernate.ejb.event.EntityCallbackHandler.preUpdate(EntityCallbackHandler.java:65)
at org.hibernate.ejb.event.EJB3FlushEntityEventListener.invokeInterceptor(EJB3FlushEntityEventListener.java:41)
at org.hibernate.event.def.DefaultFlushEntityEventListener.handleInterception(DefaultFlushEntityEventListener.java:308)
at org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:248)
at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:128)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:196)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
at org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:35)
at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:969)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1114)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:67)
at org.drools.persistence.processinstance.JPASignalManager.getProcessInstancesForEvent(JPASignalManager.java:53)
at org.drools.persistence.processinstance.JPASignalManager.signalEvent(JPASignalManager.java:29)
at org.drools.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:191)
at org.drools.workflow.instance.node.EndNodeInstance.internalTrigger(EndNodeInstance.java:56)
at org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:112)
at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:148)
at org.drools.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:74)
at org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:112)
at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:148)
at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:135)
at org.drools.workflow.instance.node.ActionNodeInstance.triggerCompleted(ActionNodeInstance.java:62)
at org.drools.workflow.instance.node.ActionNodeInstance.internalTrigger(ActionNodeInstance.java:58)
at org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:112)
at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:148)
at org.drools.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:74)
at org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:112)
at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:148)
at org.drools.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:135)
at org.drools.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:37)
at org.drools.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:101)
at org.drools.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:82)
at org.drools.workflow.instance.node.WorkItemNodeInstance.triggerCompleted(WorkItemNodeInstance.java:192)
at org.drools.workflow.instance.node.WorkItemNodeInstance.workItemCompleted(WorkItemNodeInstance.java:246)
at org.drools.workflow.instance.node.WorkItemNodeInstance.signalEvent(WorkItemNodeInstance.java:222)
at org.drools.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:258)
at org.drools.persistence.processinstance.JPAWorkItemManager.completeWorkItem(JPAWorkItemManager.java:96)
at org.drools.command.runtime.process.CompleteWorkItemCommand.execute(CompleteWorkItemCommand.java:46)
at org.drools.command.runtime.process.CompleteWorkItemCommand.execute(CompleteWorkItemCommand.java:12)
at org.drools.persistence.session.SingleSessionCommandService.execute(SingleSessionCommandService.java:254)
at org.drools.command.impl.CommandBasedStatefulKnowledgeSession$1.completeWorkItem(CommandBasedStatefulKnowledgeSession.java:118)
at com.patientsafesolutions.application.controllers.DroolsWorkflowController.drools(DroolsWorkflowController.java:113)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.doInvokeMethod(HandlerMethodInvoker.java:710)
at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:167)
at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:414)
at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:402)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:563)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.meterware.servletunit.InvocationContextImpl.service(InvocationContextImpl.java:76)
at com.meterware.servletunit.ServletUnitClient.newResponse(ServletUnitClient.java:126)
at com.meterware.httpunit.WebClient.createResponse(WebClient.java:667)
at com.meterware.httpunit.WebWindow.getResource(WebWindow.java:220)
at com.meterware.httpunit.WebWindow.getSubframeResponse(WebWindow.java:181)
at com.meterware.httpunit.WebWindow.getResponse(WebWindow.java:158)
at com.meterware.httpunit.WebClient.getResponse(WebClient.java:122)
at com.patientsafesolutions.test.http.Request.submit(Request.java:115)
at com.patientsafesolutions.test.http.Request.post(Request.java:25)
at com.patientsafesolutions.api.httptest.LogicalViewHttpTest.loginUser(LogicalViewHttpTest.java:80)
at com.patientsafesolutions.api.httptest.LogicalViewHttpTest.navigateToPatient(LogicalViewHttpTest.java:102)
at com.patientsafesolutions.api.httptest.HomeTests.homeLogicalView(HomeTests.java:14)
at com.patientsafesolutions.api.httptest.HomeTests$1.run(HomeTests.java:23)
at com.patientsafesolutions.test.http.HttpTest$ThreadWithThrowable$1.run(HttpTest.java:241)
at java.lang.Thread.run(Thread.java:637)

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