Rajesh,<br><br> you probably have differente JDT CompilationResult classes on your classpath and also on JBoss classpath (I'd guess JBoss Tomcat instance uses JDT for compilation) . You'll need to configure a separate classloader for your application. Here you have the documentation:<br>
<a href="http://www.jboss.org/community/wiki/ClassLoadingConfiguration">http://www.jboss.org/community/wiki/ClassLoadingConfiguration</a> (Isolation with Overriding Server Classes) and an example <a href="http://www.junlu.com/msg/78287.html">http://www.junlu.com/msg/78287.html</a><br>
<br>regards,<br>Rafael Ribeiro<br><br><br><div class="gmail_quote">2009/7/18 G Rajesh <span dir="ltr"><<a href="mailto:rajesh.chowdary@eageyouth.com">rajesh.chowdary@eageyouth.com</a>></span><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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<div><font size="2" face="Arial">Hi,</font></div>
<div><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial">I am new to Drools and trying to use Drools 5.0 run
time.</font></div>
<div><font size="2" face="Arial">I am using JBoss 4.2.2 and am trying to integrate
drools into existing web application already deployed on JBoss
4.2.2.</font></div>
<div><font size="2" face="Arial">I've downloaded drools eclipse plugin, copied
features, plugins and dependency jars into eclipse respective
folders.</font></div>
<div><font size="2" face="Arial"></font> </div>
<div><font size="2" face="Arial">I am able to successfully run rules on a standalone
application.</font></div>
<div><font size="2" face="Arial">I can deploy the application successfully, but when
I browse the home page(or any other thing) of the application, following is the
error message thrown by Jboss.</font></div>
<div><font size="2" face="Arial">Seems it is compiler conflict.</font></div>
<div><font size="2" face="Arial"></font> </div>
<div>Thanks in advance</div>
<div>G Rajesh</div>
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<div><font size="2" face="Arial">=====================================================</font></div>
<div><font size="2" face="Arial">Following is the error Msg:</font></div>
<div><font size="2" face="Arial">===========================================================================</font></div>
<div><font size="2" face="Arial"><font size="1">
<p>java.lang.NoSuchMethodError:
org.eclipse.jdt.internal.compiler.CompilationResult.getProblems()[Lorg/eclipse/jdt/core/compiler/IProblem;</p>
<p><font size="2"></font> </p>
<p><font size="2"></font> </p>
<p><font size="2"></font> </p></font></font></div></font></div></div>
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<br></blockquote></div><br>