<div dir="ltr"><br> Hey John, I know it is difficult, but we need some way to reproduce... can you isolate a few rules and run them in a loop trying to force the exception?<br><br><br><div class="gmail_quote">2008/7/17 John Squire <<a href="mailto:jc_squire@hotmail.com">jc_squire@hotmail.com</a>>:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<font face="Verdana, Helvetica, Arial"><span style="font-size: 12px;">Hi All,<br>
<br>
We are intermittently getting mvel compilation errors with the following:<br>
<br>
Caused by: java.lang.IllegalArgumentException: object is not an instance of declaring class<br>
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br>
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)<br>
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)<br>
at java.lang.reflect.Method.invoke(Method.java:585)<br>
at org.mvel.optimizers.impl.refl.MethodAccessor.getValue(MethodAccessor.java:61)<br>
... 148 more<br>
<br>
The rules compile ok and the application will run normally (rules processing successfully) for a few days then this error will occur. Tried to replicate but once the application is restarted the last action before the failure is repeated and always processes successfully.<br>
<br>
Any help would be appreciated.<br>
<br>
Regards<br><font color="#888888">
JS</font></span></font>
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<br></blockquote></div><br><br clear="all"><br>-- <br> Edson Tirelli<br> JBoss Drools Core Development<br> JBoss, a division of Red Hat @ <a href="http://www.jboss.com">www.jboss.com</a>
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