[rules-users] working memory error

[Zhao Yi]

I only use drools 5.3.0. This error happens on osgi envirnonment, so I think
drools-5.3.0 doesn't work with osgi. Has anyone tried osgi environment?


laune wrote
> 
> Check the javadoc for java.lang.LinkageError. Most likely, you are
> using different Drools versions for compiling the package and using
> it.
> 
> -W
> 
> On 04/05/2012, Zhao Yi <zhaoyi0113@> wrote:
>>
>> I have two knowledge bases,one is drl file the other is pkg file. My
>> application creates knowledge base from drl files first then create
>> knowledge base from pkg file. There is nothing wrong when I create drl
>> file
>> knowledge base and fire rules, but I got below error when I create pkg
>> file
>> knowledge and fire the rules. Does anyone know what this issue mean?
>>
>> Caused by: java.lang.LinkageError: loader constraint violation: loader
>> (instance of org/drools/rule/JavaDialectRuntimeData$PackageClassLoader)
>> previously initiated loading for a different type with name
>> "org/drools/WorkingMemory"
>>
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