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iTrace-Dev / iTrace-Eclipse

Eclipse plugin to identify textual and interface elements based on iTrace Core gaze data
GNU General Public License v3.0
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Hang after reconnecting to core to start new session #6

Closed dtg3 closed 6 years ago

dtg3 commented 6 years ago

Plugin hangs when trying to reconnect to the core after a session ends.

Steps to reproduce: 1) Connect to Core 2) Start core tracking 3) Stop core tracking 4) Disconnect from Core 5) Connect to Core

dtg3 commented 6 years ago

Eclipse console message for debugging:

!ENTRY org.eclipse.ui 4 0 2018-05-07 16:44:24.920
!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.RuntimeException: Log file footer could not be written: No element was found to write: java.lang.ArrayIndexOutOfBoundsException: -1
    at edu.ysu.itrace.solvers.XMLGazeExportSolver.dispose(XMLGazeExportSolver.java:195)
    at edu.ysu.itrace.ITrace.disconnectFromServer(ITrace.java:173)
    at edu.ysu.itrace.ITrace.toggleTracking(ITrace.java:180)
    at edu.ysu.itrace.ControlView$1.widgetSelected(ControlView.java:102)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:249)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4428)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4238)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3817)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
    at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:151)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1499)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1472)
cabryant20 commented 6 years ago

Tested. Plugin no longer hangs indefinitely.