java.lang.NullPointerException

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  • RCP application cannot find ModelCleanupAddon class
    via by Unknown author,
  • something is wrong!!!
    via GitHub by hepking
    ,
    • java.lang.NullPointerException at org.eclipse.equinox.internal.p2.ui.sdk.scheduler.migration.MigrationSupport.getLastMigration(MigrationSupport.java:232) at org.eclipse.equinox.internal.p2.ui.sdk.scheduler.migration.MigrationSupport.isFirstTimeRunningThisSharedInstance(MigrationSupport.java:134) at org.eclipse.equinox.internal.p2.ui.sdk.scheduler.migration.MigrationSupport.performMigration(MigrationSupport.java:53) at org.eclipse.equinox.internal.p2.ui.sdk.scheduler.AutomaticUpdateScheduler.earlyStartup(AutomaticUpdateScheduler.java:89) at org.eclipse.ui.internal.EarlyStartupRunnable.runEarlyStartup(EarlyStartupRunnable.java:87) at org.eclipse.ui.internal.EarlyStartupRunnable.run(EarlyStartupRunnable.java:66) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.Workbench$55.run(Workbench.java:2555) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
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