org.rubyforge.debugcommons.RubyDebuggerException: Unable to read information in the specified timeout [15s]
        at org.rubyforge.debugcommons.ReadersSupport.readInfo(ReadersSupport.java:177)
        at org.rubyforge.debugcommons.ReadersSupport.readFrames(ReadersSupport.java:192)
        at org.rubyforge.debugcommons.RubyDebuggerProxy.readFrames(RubyDebuggerProxy.java:383)
        at org.rubyforge.debugcommons.model.RubyThread.getFrames(RubyThread.java:51)
        at org.rubyforge.debugcommons.model.RubyThread.getTopFrame(RubyThread.java:64)
        at org.netbeans.modules.ruby.debugger.RubySession.getTopFrame(RubySession.java:273)
        at org.netbeans.modules.ruby.debugger.RubySession.switchThread(RubySession.java:350)
        at org.netbeans.modules.ruby.debugger.RubySession.suspend(RubySession.java:343)
        at org.netbeans.modules.ruby.debugger.RubyDebuggerActionProvider.stopHere(RubyDebuggerActionProvider.java:244)
        at org.netbeans.modules.ruby.debugger.RubyDebuggerActionProvider.onDebugEvent(RubyDebuggerActionProvider.java:200)
        at org.rubyforge.debugcommons.RubyDebuggerProxy.fireDebugEvent(RubyDebuggerProxy.java:172)
        at org.rubyforge.debugcommons.model.RubyThread.suspend(RubyThread.java:102)
        at org.rubyforge.debugcommons.model.RubyDebugTarget.suspensionOccurred(RubyDebugTarget.java:125)
        at org.rubyforge.debugcommons.RubyDebuggerProxy$SuspensionReaderLoop$1.run(RubyDebuggerProxy.java:548)