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Subject: [jboss-user] [jBPM] - Problem with insertion of process instance
From: Miljenko Norsic <do-not-reply () jboss ! com>
Date: 2011-09-30 16:13:08
Message-ID: 2-629611-3-90774-1317399169560.jivesbs.jivemailuser () http://community ! jboss ! org
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Miljenko Norsic [http://community.jboss.org/people/mnorsic] created the discussion
"Problem with insertion of process instance into a knowledge session"
To view the discussion, visit: http://community.jboss.org/message/629611#629611
--------------------------------------------------------------
Hi all,
I have a small test process that uses persistency to store process and knowledge \
session data into a database.As part of my process workflow I have a Rule Task that \
pulls WorkflowProcessInstance from a knowledge session, and therefore I have to \
insert process instance into a ksession, as shown on picture:
http://community.jboss.org/servlet/JiveServlet/showImage/2-629611-17071/sample.png \
http://community.jboss.org/servlet/JiveServlet/downloadImage/2-629611-17071/450-276/sample.png \
Upon signalEvent(), process continues, calls rule task and runs to completion, and \
there is nothing wrong with that.
The problem is that my rule does not run:
rule "Test WorkflowProcessInstance existence" ruleflow-group "test"
when
$p : WorkflowProcessInstance()
then
System.out.println("Process instance exists!");
end
It is obvious that I'm missing WorkflowProcessInstance in a knowledge session, and \
therefore I've added it. But now I'm getting the following exception upon calling \
UserTransaction.commit() method:
java.io.NotSerializableException: \
org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl$1 at \
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1164) at \
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
...
It seems to me it is a bug in jBPM5.1, could someone please check it?
If this is a bug, I can create a Jira issue, but since I'm a jBPM greenhorn, I'd \
rather like to check on forum first because maybe I'm missing something obvious ;)
I'm attaching a sample Eclipse project with both persistent and non-persistent \
scenario.
Thanks,
Miljenko
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17px; font-weight: normal;"> Problem with insertion of process instance into a \
knowledge session </h3>
<span style="margin-bottom: 10px;">
created by <a href="http://community.jboss.org/people/mnorsic">Miljenko \
Norsic</a> in <i>jBPM</i> - <a \
href="http://community.jboss.org/message/629611#629611">View the full discussion</a> \
</span> <hr style="margin: 20px 0; border: none; background-color: #dadada; height: \
1px;">
<div class="jive-rendered-content"><p>Hi all,</p><p style="min-height: 8pt; height: \
8pt; padding: 0px;"> </p><p>I have a small test process that uses persistency to \
store process and knowledge session data into a database.As part of my process \
workflow I have a Rule Task that pulls WorkflowProcessInstance from a knowledge \
session, and therefore I have to insert process instance into a ksession, as shown on \
picture:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><a \
href="http://community.jboss.org/servlet/JiveServlet/showImage/2-629611-17071/sample.png"><span> \
http://community.jboss.org/servlet/JiveServlet/downloadImage/2-629611-17071/450-276/sample.png \
</span></a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p \
style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Upon signalEvent(), \
process continues, calls rule task and runs to completion, and there is nothing wrong \
with that.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The \
problem is that my rule does not run:</p><p style="min-height: 8pt; height: 8pt; \
padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java">rule \
<font color="red">"Test WorkflowProcessInstance existence"</font> ruleflow-group \
<font color="red">"test"</font>     when
        $p : WorkflowProcessInstance()
    then
        System.out.println(<font \
color="red">"Process instance exists!"</font>); end
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>It \
is obvious that I'm missing WorkflowProcessInstance in a knowledge session, and \
therefore I've added it.</p><p>But now I'm getting the following exception upon \
calling UserTransaction.commit() method:</p><pre class="jive-pre"><code \
class="jive-code">java.io.NotSerializableException: \
org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl$1 at \
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1164) at \
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
...
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>It \
seems to me it is a bug in jBPM5.1, could someone please check it?</p><p>If this is a \
bug, I can create a Jira issue, but since I'm a jBPM greenhorn, I'd rather like to \
check on forum first because maybe I'm missing something obvious <span> ;) \
</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I'm \
attaching a sample Eclipse project with both persistent and non-persistent \
scenario.</p><p style="min-height: 8pt; height: 8pt; padding: \
0px;"> </p><p>Thanks,</p><p>Miljenko</p></div>
<div style="background-color: #f4f4f4; padding: 10px; margin-top: 20px;">
<p style="margin: 0;">Reply to this message by <a \
href="http://community.jboss.org/message/629611#629611">going to Community</a></p> \
<p style="margin: 0;">Start a new discussion in jBPM at <a \
href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034">Community</a></p>
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