I am new to Drools. I wanted to put the rules in the project so I am learning this.

 

So I have taken code sample from Maven Repository bur I am getting following error.

 

To run the Example I Have used eclipse as IDE and the drl file in XML format.

 

 

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(EclipseJavaCompiler.java:237)

      at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:454)

      at org.apache.commons.jci.compilers.EclipseJavaCompiler.compile(EclipseJavaCompiler.java:268)

      at org.drools.compiler.PackageBuilder.compileAll(Unknown Source)

      at org.drools.compiler.PackageBuilder.addPackage(Unknown Source)

      at org.drools.compiler.PackageBuilder.addPackageFromDrl(Unknown Source)

      at org.drools.examples.HonestPoliticianExample.main(HonestPoliticianExample.java:20)

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(EclipseJavaCompiler.java:237)

      at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:454)

      at org.apache.commons.jci.compilers.EclipseJavaCompiler.compile(EclipseJavaCompiler.java:268)

      at org.drools.compiler.PackageBuilder.compileAll(Unknown Source)

      at org.drools.compiler.PackageBuilder.addPackage(Unknown Source)

      at org.drools.compiler.PackageBuilder.addPackageFromDrl(Unknown Source)

      at org.drools.examples.HonestPoliticianExample.main(HonestPoliticianExample.java:20)

Exception in thread "main"

 

Please help me fix this.

 

Thanks in advance

 

Thanks & Regards

Shilpa


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