<br><font size=2 face="Trebuchet MS">Hi,</font>
<br><font size=2 face="Trebuchet MS">When I try to run a sample test case
using drools-persistence.jar it works successfully.</font>
<br><font size=2 face="Trebuchet MS">But when I try to include the persistence
in my OFBiz application, I am getting null pointer exception in class <b>JPAWorkItemManager.java.</b></font>
<br>
<br><font size=2 color=#000080 face="Courier New"><u>java.lang.NullPointerException</u></font><font size=2 face="Trebuchet MS"><b>
</b></font>
<br><font size=2 color=red face="Courier New"> at org.drools.persistence.processinstance.JPAWorkItemManager.completeWorkItem(</font><font size=2 color=#000080 face="Courier New"><u>JPAWorkItemManager.java:85</u></font><font size=2 color=red face="Courier New">).</font>
<br>
<br><font size=2 face="Trebuchet MS">Null Pointer is because of getting
EntityManager object as NULL. In the below line of JPAWorkItemManager.java</font>
<br><font size=2 face="Courier New"> EntityManager em = (EntityManager)
</font><font size=2 color=#820040 face="Courier New"><b>this</b></font><font size=2 face="Courier New">.</font><font size=2 color=#0021bf face="Courier New">workingMemory</font><font size=2 face="Courier New">.getEnvironment().get(
EnvironmentName.</font><font size=2 color=#0021bf face="Courier New"><i>ENTITY_MANAGER</i></font><font size=2 face="Courier New">
);</font>
<br><font size=2 face="Trebuchet MS">the em is null.</font>
<br><font size=2 face="Trebuchet MS">Because of this I am getting Null
Pointer exception when it try to run the code</font>
<br><font size=2 face="Courier New"> </font><font size=2 color=#820040 face="Courier New"><b>if</b></font><font size=2 face="Courier New">
(workItemInfo == </font><font size=2 color=#820040 face="Courier New"><b>null</b></font><font size=2 face="Courier New">)
{</font>
<br><font size=2 face="Courier New">
workItemInfo = em.find(WorkItemInfo.</font><font size=2 color=#820040 face="Courier New"><b>class</b></font><font size=2 face="Courier New">,
id);</font>
<br><font size=2 face="Courier New"> }</font>
<br><font size=2 face="Trebuchet MS"> </font>
<br><font size=2 face="Trebuchet MS">Can you tell me why I getting NPE
when I try to run the jar file in my application.</font>
<br><font size=2 face="Trebuchet MS">While the code run successfully when
I try to run sample test case for that.</font>
<br><font size=2 face="Trebuchet MS">Please help me to get through the
situation.</font>
<br>
<br>
<br><font size=2 face="Trebuchet MS">Thanks & Regards<br>
<br>
Pardeep Ruhil<br>
L&T Infotech Ltd<br>
Mumbai<br>
Ph: +919820283884<br>
<b><br>
Larsen & Toubro Infotech Ltd.</b></font><font size=2 color=blue face="Trebuchet MS"><u><br>
</u></font><a href=http://www.lntinfotech.com/><font size=2 color=blue face="Trebuchet MS"><u>www.Lntinfotech.com</u></font></a><font size=2 face="Trebuchet MS"><br>
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