[jboss-user] [jBPM] - Re: java.lang.String cannot be cast to org.jbpm.task.utils.MarshalledContentWrapper

[TC ONG]

TC ONG [https://community.jboss.org/people/devilkazuya99] created the discussion

"Re: java.lang.String cannot be cast to org.jbpm.task.utils.MarshalledContentWrapper"

To view the discussion, visit: https://community.jboss.org/message/759772#759772

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Well, I did download the latest code from github master.
Import into eclipse, compile and export them.
Now I am using jbpm 5.4 snapshot and drools 5.5 snap shot.
I try to run my web application.
Oh! I need to replace all my drools/jbpm jar. ok. replace and run.
Oh! need to replace mvel2 jar too. ok. replace and run.
Oh! need to recompile my drools package. ok, recompile and...
> Exception in thread "main" java.lang.ExceptionInInitializerError
>           at org.jbpm.process.builder.dialect.java.JavaProcessDialect.<clinit>(JavaProcessDialect.java:21)
>           at org.jbpm.process.builder.dialect.ProcessDialectRegistry.<clinit>(ProcessDialectRegistry.java:15)
>           at org.jbpm.bpmn2.BPMN2ProcessProviderImpl.<clinit>(BPMN2ProcessProviderImpl.java:31)
>           at java.lang.Class.forName0(Native Method)
>           at java.lang.Class.forName(Class.java:169)
>           at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.newInstance(ServiceRegistryImpl.java:214)
>           at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.call(ServiceRegistryImpl.java:209)
>           at org.drools.util.ServiceRegistryImpl.get(ServiceRegistryImpl.java:164)
>           at org.drools.compiler.BPMN2ProcessFactory.loadProvider(BPMN2ProcessFactory.java:28)
>           at org.drools.compiler.BPMN2ProcessFactory.getBPMN2ProcessProvider(BPMN2ProcessFactory.java:20)
>           at org.drools.compiler.BPMN2ProcessFactory.configurePackageBuilder(BPMN2ProcessFactory.java:11)
>           at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:688)
>           at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:50)
>           at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:39)
>           at com.geneoz.drools.RulesEngineBuilder.buildKB(RulesEngineBuilder.java:127)
>           at com.geneoz.drools.RulesEngineBuilder.build(RulesEngineBuilder.java:94)
>           at com.geneoz.drools.RulesEngineBuilder.main(RulesEngineBuilder.java:63)
> Caused by: org.mvel2.templates.TemplateError: null input stream
>           at org.mvel2.templates.util.TemplateTools.readStream(TemplateTools.java:113)
>           at org.mvel2.templates.TemplateCompiler.compileTemplate(TemplateCompiler.java:414)
>           at org.mvel2.templates.TemplateCompiler.compileTemplate(TemplateCompiler.java:405)
>           at org.mvel2.templates.TemplateCompiler.compileTemplate(TemplateCompiler.java:401)
>           at org.jbpm.process.builder.dialect.java.AbstractJavaProcessBuilder.<clinit>(AbstractJavaProcessBuilder.java:27)
>           ... 17 more
> Caused by: java.lang.NullPointerException
>           at org.mvel2.templates.util.TemplateTools.readStream(TemplateTools.java:103)
>           ... 21 more

I am going deeper and deeper into this shit.
God I had enough of surprices.  :((  
I'll get the source for jbpm 5.3 and try to fix it manually. Hope will have some luck. 
Jboss!!! WHY you release something like this!! WHYYYYY~~~~~~~!!!!!  :((  :((  :((
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