[rules-users] java.lang.NoClassDefFoundError: org/drools/spi/Consequence

[Ojwang Wilson O]

All,

I am getting the error below while passing DroolsAnt build pkg as a 
property to RuleAgent. I am using Java 6 update 12.

===================
2009-03-02 16:48:59,363 Stdout ERROR callout.err  - RuleAgent(default) 
INFO (Mon Mar 02 16:48:59 CST 2009): Configuring package provider : 
FileScanner scanning: /home/nxuser/proxy/resource/iaoc/rules/Rules.pkg

java.lang.NoClassDefFoundError: org/drools/spi/Consequence
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
        at 
org.drools.rule.PackageCompilationData$PackageClassLoader.fastFindClass(PackageCompilationData.java:333)
        at 
org.drools.rule.PackageCompilationData$PackageClassLoader.loadClass(PackageCompilationData.java:353)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
        at 
org.drools.common.DroolsObjectInputStream.resolveClass(DroolsObjectInputStream.java:79)
        at 
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575)
        at 
java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)

==================

Regards
Wilson