java.lang.IllegalArgumentException: missing event subscriber for an annotated method. Is net.sf.jabref.logic.autosaveandbackup.BackupManager@5147902d registered?


Solutions on the web

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missing event subscriber for an annotated method. Is net.sf.jabref.logic.autosaveandbackup.BackupManager@5147902d registered?

Solution icon of github
missing event subscriber for an annotated method. Is net.sf.jabref.logic.autosaveandbackup.BackupManager@5fa93a28 registered?

Solution icon of github
missing event subscriber for an annotated method. Is net.sf.jabref.logic.autosaveandbackup.BackupManager@7772aed registered?


Stack trace

java.lang.IllegalArgumentException: missing event subscriber for an annotated method. Is net.sf.jabref.logic.autosaveandbackup.BackupManager@5147902d registered?
	at com.google.common.eventbus.SubscriberRegistry.unregister(SubscriberRegistry.java:111)[guava-20.0.jar:?]
	at com.google.common.eventbus.EventBus.unregister(EventBus.java:201)[guava-20.0.jar:?]
	at net.sf.jabref.model.metadata.MetaData.unregisterListener(MetaData.java:257)[main/:?]
	at net.sf.jabref.logic.autosaveandbackup.BackupManager.shutdown(BackupManager.java:149)[main/:?]
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)[?:1.8.0_60]
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)[?:1.8.0_60]
	at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1540)[?:1.8.0_60]
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)[?:1.8.0_60]
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)[?:1.8.0_60]
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)[?:1.8.0_60]
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)[?:1.8.0_60]
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)[?:1.8.0_60]
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)[?:1.8.0_60]
	at net.sf.jabref.logic.autosaveandbackup.BackupManager.shutdown(BackupManager.java:85)[main/:?]
	at net.sf.jabref.gui.JabRefFrame.quit(JabRefFrame.java:859)[main/:?]
	at net.sf.jabref.gui.JabRefFrame$CloseAction.actionPerformed(JabRefFrame.java:1778)[main/:?]
	at net.sf.jabref.gui.JabRefFrame$2.windowClosing(JabRefFrame.java:604)[main/:?]
	at java.awt.AWTEventMulticaster.windowClosing(AWTEventMulticaster.java:349)[?:1.8.0_60]

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