No message
/home/lz/.IntelliJIdea70/config/plugins/ruby/rb/paramdefs/paramdef_base.rb:11:in `view_root': undefined method `module' for #<Java::JavaObject:0x29f5b3e1> (NoMethodError)
	from /home/lz/.IntelliJIdea70/config/plugins/ruby/rb/paramdefs/view_ref_param.rb:17:in `resolveReference'
	from file:/home/lz/.IntelliJIdea70/config/plugins/ruby/lib/jruby-complete-1.0.2.jar!/builtin/javasupport/utilities/base.rb:26:in `__jcreate!'
	from /home/lz/.IntelliJIdea70/config/plugins/ruby/rb/paramdefs/partial_ref_param.rb:10
	...internal jruby stack elided...
	from org.jruby.runtime.Block.yield(Block.java:260)
	from org.jruby.runtime.Block.call(Block.java:214)
	from org.jruby.RubyProc.call(RubyProc.java:169)
	from org.jruby.RubyProc.call(RubyProc.java:148)
	from org.jruby.javasupport.proxy.JavaProxyConstructor$1.invoke(JavaProxyConstructor.java:180)
	from org.jetbrains.plugins.ruby.ruby.codeInsight.paramDefs.ParamDef$Proxy2.resolveReference(Unknown Source)
	from org.jetbrains.plugins.ruby.ruby.codeInsight.paramDefs.ParamDefReference.resolve(ParamDefReference.java:63)
	from org.jetbrains.plugins.ruby.ruby.codeInsight.paramDefs.ParamDefReference.isReferenceTo(ParamDefReference.java:85)
	from com.intellij.psi.impl.search.CachesBasedRefSearcher$3.execute(CachesBasedRefSearcher.java:6)
	from com.intellij.psi.impl.search.LowLevelSearchUtil.a(LowLevelSearchUtil.java:47)
	from com.intellij.psi.impl.search.LowLevelSearchUtil.processElementsContainingWordInElement(LowLevelSearchUtil.java:21)
	from com.intellij.psi.impl.search.PsiSearchHelperImpl$12$1$1.run(PsiSearchHelperImpl.java:12)
	from com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:137)
	from com.intellij.psi.impl.search.PsiSearchHelperImpl$12$1.run(PsiSearchHelperImpl.java:2)
	from com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:70)
	from com.intellij.psi.impl.search.PsiSearchHelperImpl$12.run(PsiSearchHelperImpl.java:3)
	from java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	from java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	from java.util.concurrent.FutureTask.run(FutureTask.java:138)
	from java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
	from java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
	from java.lang.Thread.run(Thread.java:619)