Details
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Feature Request
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Resolution: Unresolved
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Major
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None
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6.1.0.Beta3
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None
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None
Description
Generating the following exception when using runUntilHalt() with persistence.
Exception in thread "SimpleAsyncTaskExecutor-1" java.lang.UnsupportedOperationException: Command session.fireUntilHalt(); cannot be issued on a persisted session at org.drools.persistence.SingleSessionCommandService$TransactionInterceptor.execute(SingleSessionCommandService.java:474) at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:353) at org.drools.core.command.impl.CommandBasedStatefulKnowledgeSession.fireUntilHalt(CommandBasedStatefulKnowledgeSession.java:272) at com.s.c.m.CallHandler$RunEngine.run(CallHandler.java:115) at java.lang.Thread.run(Thread.java:722)
Persistence and KieSession defined in Spring as follows:
<!-- provides KnowledgeStoreService implementation -->
<kie:kstore id="kstore"/>
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/ruleEngine" />
<property name="username" value="xxxxxx" /> <property name="password" value="yyyyyyyy" />
</bean>
<bean id="emf" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="persistenceUnitName" value="org.drools.persistence.jpa.local"/>
</bean>
<bean id="txManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="emf"/>
</bean>
<kie:kmodule id="callManagerModule">
<kie:kbase name="commandKBase" packages="rules.command" eventProcessingMode="stream">
<kie:ksession name="commandEngine" type="stateful"></kie:ksession>
</kie:kbase>
<kie:kbase name="campaignKBase" packages="rules.campaign.*" eventProcessingMode="stream" equalsBehavior="equality">
<kie:ksession name="campaignEngine" type="stateful" >
<kie:consoleLogger/>
<kie:configuration>
<kie:jpa-persistence>
<kie:transaction-manager ref="txManager"/>
<kie:entity-manager-factory ref="emf"/>
</kie:jpa-persistence>
</kie:configuration>
</kie:ksession>
</kie:kbase>
</kie:kmodule>
<bean id="taskExecutor" class="org.springframework.core.task.SimpleAsyncTaskExecutor">
<property name="daemon" value="true"/>
</bean>
<bean id="campaignHandler" class="com.s.c.m.CallHandler" init-method="init">
<constructor-arg type="org.springframework.core.task.TaskExecutor" ref="taskExecutor"/>
</bean>
I invoke fireUntilHalt method as follows:
private TaskExecutor taskExecutor;
public CampaignCallHandler(TaskExecutor taskExecutor)
public void init()
{ taskExecutor.execute(new RunEngine()); } class RunEngine implements Runnable {
@Override public void run()
}
NOTE: This occurs on a new system where nothing has been persisted to the database. In other words, there isn't a session available to be loaded. I have yet to have success reloading a session - that is a separate issue that I believe DROOLS-422 partially identifies.