[rules-users] Migrate from 5.2.0 to 5.5.0

[ge0ffrey]

Alex wrote
> Hello,
> 
> I am trying to migrate from drools version 5.2.0 to 5.5.0 and after change
> libs i get a error:
> 
> java.lang.NoClassDefFoundError: Could not initialize class
> org.drools.rule.builder.DefaultConstraintBuilderFactory
>  	at org.drools.rule.builder.DroolsCompilerComponentFactory.
> <init>
> (DroolsCompilerComponentFactory.java:11)
> 	at
> org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:210)
>  	at org.drools.compiler.PackageBuilderConfiguration.
> <init>
> (PackageBuilderConfiguration.java:165)
>  	at
> org.drools.builder.impl.KnowledgeBuilderFactoryServiceImpl.newKnowledgeBuilderConfiguration(KnowledgeBuilderFactoryServiceImpl.java:26)
>  	at
> org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration(KnowledgeBuilderFactory.java:85)
> 
> Could you please help me with this problem?

Looks like you re combining the wrong jars together, check your classpath




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