[rules-users] class loading issue with websphere 6.1

[Vishal Joshi]

posting it again after successfule subscription.
I have deployed my application on websphere 6.1, which contains Rule engine
as one of the module using JBoss Rule 3.0.1. When i am trying to invoke
drools api from my class 
==================================== 
final PackageBuilder builder = new PackageBuilder(); 
builder.addPackageFromDrl(new StringReader(drl)); 
==================================== 

it throws this exception: 

java.lang.NoSuchMethodError:
org/eclipse/jdt/internal/compiler/CompilationResult 
.getProblems()[Lorg/eclipse/jdt/core/compiler/CategorizedProblem; 
        at
org.apache.commons.jci.compilers.EclipseJavaCompiler$2.acceptResult(E 
clipseJavaCompiler.java:237) 
        at
org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:335) 

        at
org.apache.commons.jci.compilers.EclipseJavaCompiler.compile(EclipseJ 
avaCompiler.java:268) 
        at org.drools.compiler.PackageBuilder.compile(Unknown Source) 
        at org.drools.compiler.PackageBuilder.compileRule(Unknown Source) 
        at org.drools.compiler.PackageBuilder.addRule(Unknown Source) 
        at org.drools.compiler.PackageBuilder.addPackage(Unknown Source) 
        at org.drools.compiler.PackageBuilder.addPackageFromDrl(Unknown
Source) 


I have checked that class
org.eclipse.jdt.internal.compiler.CompilationResult is available with my
application war in core-3.2.0.666.jar (which is part of drools
distributable) and it has getProblems() method also. 

any help will be greatly appreciated.
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