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via Google Groups by pawelz, 1 year ago
A singleton application instance is already running: org.eclipse.tycho.surefire.osgibooter.headlesstest.0
org.osgi.service.application.ApplicationException: A singleton application 
 instance is already running: 
 org.eclipse.tycho.surefire.osgibooter.headlesstest.0	at org.eclipse.equinox.internal.app.EclipseAppContainer.lock(EclipseAppContainer.java:481)	at org.eclipse.equinox.internal.app.EclipseAppDescriptor.createAppHandle(EclipseAppDescriptor.java:190)	at org.eclipse.equinox.internal.app.EclipseAppDescriptor.launchSpecific(EclipseAppDescriptor.java:90)	at org.osgi.service.application.ApplicationDescriptor.launch(ApplicationDescriptor.java:311)	at at.bestsolution.efxclipse.runtime.jemmy.OSGiJemmyBootstrapTestCase$2.run(OSGiJemmyBootstrapTestCase.java:94)