Hi Peter, Are you able to reproduce this while debugging? I am curious to know if OS.g_main_context_iteration() is stuck or if the readAndDIspatch() loop is executing constantly.
At first glance it looks like the main thread is stuck and SWTBot is just waiting for the display thread to be available. I have seen in the past some examples of GTK freezing the UI (for example https://bugs.eclipse.org/bugs/show_bug.cgi?id=532340) but it was usually with older versions. Your GTK version seems recent enough. Patrick On Fri, Apr 23, 2021 at 9:42 AM Peter Hermsdorf <peter.hermsd...@godyo.com> wrote: > Hi everyone, > > we are in the process of migrating our RCP based product from Eclipse > Mars to 2020-12. > Which indirectly also means updating to Java 11 and GTK3( for SWTBot > tests). > > After migration we face the issue that at some point the test execution > get's stuck. (but always at the same test(s)) > A thread dump shows that the SWTBot Testable thread get's stuck waiting > for the UI thread. > > Excerpt: (full dump attached as .zip file) > > Thread [main] (Suspended) > OS.g_main_context_iteration(long, boolean) line: not > available [native method] > Display.readAndDispatch() line: 4524 > PartRenderingEngine$5.run() line: 1157 > Realm.runWithDefault(Realm, Runnable) line: 338 > PartRenderingEngine.run(MApplicationElement, > IEclipseContext) line: 1046 > E4Workbench.createAndRunUI(MApplicationElement) line: 155 > Thread [WorkbenchTestable] (Suspended) > waiting for: RunnableLock (id=115) > Object.wait(long) line: not available [native method] > RunnableLock(Object).wait() line: 328 > UISynchronizer(Synchronizer).syncExec(Runnable) line: 253 > UISynchronizer.syncExec(Runnable) line: 133 > Display.syncExec(Runnable) line: 5895 > UIThreadRunnable$4(UIThreadRunnable).run() line: 76 > UIThreadRunnable.syncExec(Display, VoidResult) line: 201 > UIThreadRunnable.syncExec(VoidResult) line: 186 > SWTBotTreeItem(AbstractSWTBot<T>).notify(int, Event, > Widget, Runnable) line: 197 > SWTBotTreeItem(AbstractSWTBot<T>).notify(int, Event, > Widget) line: 155 > SWTBotTreeItem.notifyTree(int, Event) line: 237 > SWTBotTreeItem.doubleClick() line: 450 > > I can't see what's causing the issue here. Any idea's or hints are more > than welcome! > > Environment: > * the build is running in a docker container with Xvnc TigerVNC 1.7.0 as > Display > * Java is the latest JustJ OpenJDK build 11.0.4 > * Eclipse Target Platform is 2020-12 with SWTBot version 3.0.0.202006031738 > * GTK version is 3.22.11 > * GTK Theme is Adwaita > * Docker image is based on > > https://git.eclipse.org/r/plugins/gitiles/sirius/org.eclipse.sirius/+/master/releng/org.eclipse.sirius.releng/docker/build/Dockerfile > > Thank you. > > Bye Peter > > _______________________________________________ > swtbot-dev mailing list > swtbot-dev@eclipse.org > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/swtbot-dev >
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