[jboss-user] [jBPM Users] - Re: NullPointerException in JobExecutorMessageSession.send w

[joelmatt]

<?xml version="1.0" encoding="UTF-8"?>
  | 
  | <jbpm-configuration>
  | 
  | 	<import resource="jbpm.jpdl.cfg.xml" />
  | 	<import resource="jbpm.identity.cfg.xml" />
  | 	<import resource="jbpm.jobexecutor.cfg.xml" />
  | 
  | 	<process-engine-context>
  | 		<job-executor threads="10" idle="15000" idle-max="60000" lock-millis="3600000" />
  | 	
  | 		<repository-service />
  | 		<repository-cache />
  | 		<execution-service />
  | 		<history-service />
  | 		<management-service />
  | 		<identity-service />
  | 		<task-service />
  | 
  | 		<!-- Here we needed to change the transaction interceptor -->
  | 		<command-service>
  | 			<retry-interceptor />
  | 			<environment-interceptor />
  | 			<spring-transaction-interceptor />
  | 		</command-service>
  | 
  | 		<!-- Added spring as read-context -->
  | 		<script-manager default-expression-language="juel"
  | 			default-script-language="juel"
  | 			read-contexts="execution, environment, process-engine, spring"
  | 			write-context="">
  | 			<script-language name="juel"
  | 				factory="org.jbpm.pvm.internal.script.JuelScriptEngineFactory" />
  | 		</script-manager>
  | 
  | 		<!-- <authentication /> -->
  | 
  | 		<id-generator />
  | 		<types resource="jbpm.variable.types.xml" />
  | 
  | 		<address-resolver />
  | 
  | 		<business-calendar>
  | 			<monday hours="9:00-12:00 and 12:30-17:00" />
  | 			<tuesday hours="9:00-12:00 and 12:30-17:00" />
  | 			<wednesday hours="9:00-12:00 and 12:30-17:00" />
  | 			<thursday hours="9:00-12:00 and 12:30-17:00" />
  | 			<friday hours="9:00-12:00 and 12:30-17:00" />
  | 			<holiday period="01/07/2008 - 31/08/2008" />
  | 		</business-calendar>
  | 
  | 		<mail-template name='task-notification'>
  | 			<to users="${task.assignee}" />
  | 			<subject>${task.name}</subject>
  | 			<text><![CDATA[Hi ${task.assignee},
  | Task "${task.name}" has been assigned to you.
  | ${task.description}
  | 
  | Sent by JBoss jBPM
  | ]]></text>
  | 		</mail-template>
  | 
  | 		<mail-template name='task-reminder'>
  | 			<to users="${task.assignee}" />
  | 			<subject>${task.name}</subject>
  | 			<text><![CDATA[Hey ${task.assignee},
  | Do not forget about task "${task.name}".
  | ${task.description}
  | 
  | Sent by JBoss jBPM
  | ]]></text>
  | 		</mail-template>
  | 
  | 
  | 
  | 	</process-engine-context>
  | 
  | 	<transaction-context>
  | 		<repository-session />
  | 		<db-session />
  | 		<transaction />
  | 		<message-session />
  | 		<timer-session />
  | 		<history-session />
  | 		<mail-session>
  | 			<mail-server>
  | 				<session-properties resource="jbpm.mail.properties" />
  | 			</mail-server>
  | 		</mail-session>
  | 
  | 		<!-- Need to set explicitly that we don't want jbpm to create sessions -->
  | 		<hibernate-session current="false" />
  | 	</transaction-context>
  | </jbpm-configuration>
The above configuration worked. I was missing  tag in <transaction-context> and I have upgraded to jbpm 4.1


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