Following changes I did:
1. Read rootToken from the instance I read from the database.
Token rootToken = procInst.getRootToken();
2. signal the rootToken by specifying transition name
rootToken.signal("toReadLoansData");
But now I am getting following error
java.lang.IllegalStateException: couldn't signal token 'Token(/)' : couldn't
leave node 'null' over the its transition 'toReadLoansData'
at org.jbpm.graph.exe.Token.signal(Token.java:101)
at
com.sample.SimpleProcessTest.readProcessInstance(SimpleProcessTest.java:199)
at
com.sample.SimpleProcessTest.testSimpleProcess(SimpleProcessTest.java:25)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:478)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:344)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
I don't understand when it says 'couldn't leave node 'null'' , which node it is
refering to and which it getting as NULL.
I want to achieve following:
- Create Process Definition and store it in database using
jbpmSession.getGraphSession().saveProcessDefinition(definition);
I am using MSSQL. This process has one State node at which execution should
wait for external input. I have to use State and not task-node as i want to
take user input.
- create process instances of this process and start execution. The instance
will wait at the State node. Store the waiting processing instance in database.
- Read the saved process instance from the database when external input is
received and restart the execution.
Please confirm that the approach is correct. Thanks for any better approaches.
Regards,
Nilesh
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