[rules-users] NoClassDefFoundError at config file

André Fróes arfmoraes at gmail.com
Fri Mar 1 07:32:15 EST 2013


I'm importing my project to netbeans and I am having this exception:

Exception in thread "main" java.lang.NoClassDefFoundError:
org/drools/compiler/DroolsParserException
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2308)
at java.lang.Class.getDeclaredFields(Class.java:1760)
at
com.thoughtworks.xstream.mapper.AnnotationMapper.processTypes(AnnotationMapper.java:182)
Java Result: 1

it happens when I reach the line where I set the configuration file:

SolverFactory solverFactory = new
XmlSolverFactory("/com/my/proj/planner/solver/plannerSolverConfig.xml");

I'm using now drools 5.5.0.Final without the dsl file that had some issue
(see older post), I tested on eclipse with it and it worked perfectly. The
path to the file is correct.

These are the dependencies, using maven:

drools-compiler-5.5.0.Final
drools-core-5.5.0.Final
drools-planner-core-5.5.0.Final

<properties>
<org.drools.version>5.5.0.Final</org.drools.version>
</properties>

<dependency>
   <groupId>org.drools</groupId>
    <artifactId>drools-core</artifactId>
    <version>${org.drools.version}</version>
    <scope>provided</scope>
</dependency>
<dependency>
     <groupId>org.drools</groupId>
     <artifactId>drools-compiler</artifactId>
     <version>${org.drools.version}</version>
     <scope>provided</scope>
</dependency>
<dependency>
      <groupId>org.drools.planner</groupId>
      <artifactId>drools-planner-core</artifactId>
      <version>${org.drools.version}</version>
</dependency>
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