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For input string: ""
java.lang.NumberFormatException: For input string: "" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48) at java.lang.Long.parseLong(Long.java:424) at java.lang.Long.parseLong(Long.java:461) at java.text.DigitList.getLong(DigitList.java:167) at java.text.DecimalFormat.parse(DecimalFormat.java:1271) at java.text.SimpleDateFormat.subParse(SimpleDateFormat.java:1375) at java.text.SimpleDateFormat.parse(SimpleDateFormat.java:1124) at java.text.DateFormat.parse(DateFormat.java:333) at org.eclipse.mylyn.internal.context.core.SaxContextContentHandler.createEventFromAttributes(SaxContextContentHandler.java:82) at org.eclipse.mylyn.internal.context.core.SaxContextContentHandler.startElement(SaxContextContentHandler.java:62) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:533) at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:220) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:322) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1693) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:368) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:834) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1242) at org.eclipse.mylyn.internal.context.core.SaxContextReader.readContext(SaxContextReader.java:59) at org.eclipse.mylyn.internal.context.core.InteractionContextExternalizer.readContextFromXML(InteractionContextExternalizer.java:132) at org.eclipse.mylyn.internal.context.core.InteractionContextExternalizer.readContextFromXML(InteractionContextExternalizer.java:121) at org.eclipse.mylyn.internal.context.core.InteractionContextManager.loadActivityMetaContext(InteractionContextManager.java:140) at org.eclipse.mylyn.internal.context.core.InteractionContextManager.getActivityMetaContext(InteractionContextManager.java:132) at org.eclipse.mylyn.internal.context.core.InteractionContextManager.processActivityMetaContextEvent(InteractionContextManager.java:177) at org.eclipse.mylyn.internal.monitor.ui.ShellLifecycleListener.<init>(ShellLifecycleListener.java:35) at org.eclipse.mylyn.monitor.ui.MonitorUiPlugin$2.run(MonitorUiPlugin.java:110) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:123) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3214) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2958) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219) at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:169) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:508) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447) at org.eclipse.equinox.launcher.Main.run(Main.java:1173) at org.eclipse.equinox.launcher.Main.main(Main.java:1148)