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.switchThread(RubySession.java:371)
        at org.netbeans.modules.ruby.debugger.model.ThreadsModel.performDefaultAction(ThreadsModel.java:200)
        at org.netbeans.spi.viewmodel.Models$DelegatingNodeActionsProvider.performDefaultAction(Models.java:3097)
        at org.netbeans.spi.viewmodel.Models$CompoundModel.performDefaultAction(Models.java:3457)
        at org.netbeans.modules.viewmodel.TreeModelNode$2.actionPerformed(TreeModelNode.java:302)
        at org.openide.explorer.view.OutlineView$PopupAdapter.mouseClicked(OutlineView.java:623)
        at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:253)
        at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:252)
        at java.awt.Component.processMouseEvent(Component.java:6266)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
        at org.netbeans.swing.outline.Outline.processMouseEvent(Outline.java:735)
        at java.awt.Component.processEvent(Component.java:6028)
        at java.awt.Container.processEvent(Container.java:2041)
        at java.awt.Component.dispatchEventImpl(Component.java:4630)
        at java.awt.Container.dispatchEventImpl(Container.java:2099)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4574)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4247)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168)
        at java.awt.Container.dispatchEventImpl(Container.java:2085)
        at java.awt.Window.dispatchEventImpl(Window.java:2475)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:117)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)