java.util.zip.ZipException: zip file is empty at java.util.zip.ZipFile.open(ZipFile.java:0) at java.util.zip.ZipFile.(ZipFile.java:215) at java.util.zip.ZipFile.(ZipFile.java:145) at java.util.jar.JarFile.(JarFile.java:153) at java.util.jar.JarFile.(JarFile.java:132) at org.netbeans.JarClassLoader$JarSource$1.call(JarClassLoader.java:524) at org.netbeans.JarClassLoader$JarSource$1.call(JarClassLoader.java:515) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at org.netbeans.JarClassLoader$JarSource.getJarFile(JarClassLoader.java:550) at org.netbeans.JarClassLoader$JarSource.resource(JarClassLoader.java:591) at org.netbeans.Archive.getData(Archive.java:212) at org.netbeans.JarClassLoader$JarSource.doGetResource(JarClassLoader.java:564) at org.netbeans.JarClassLoader$Source.getResource(JarClassLoader.java:362) at org.netbeans.JarClassLoader.findResource(JarClassLoader.java:297) at org.netbeans.ProxyClassLoader.getResourceImpl(ProxyClassLoader.java:358) at org.netbeans.ProxyClassLoader.getResource(ProxyClassLoader.java:303) at org.openide.util.NbBundle.loadBundle(NbBundle.java:556) at org.openide.util.NbBundle.getBundleFast(NbBundle.java:520) at org.openide.util.NbBundle.getBundle(NbBundle.java:446) at org.openide.util.NbBundle.getBundle(NbBundle.java:399) at org.openide.util.NbBundle.getMessage(NbBundle.java:642) at org.netbeans.modules.autoupdate.services.UpdateUnitFactory.(UpdateUnitFactory.java:94) at org.netbeans.modules.autoupdate.services.UpdateManagerImpl$Cache.(UpdateManagerImpl.java:271) at org.netbeans.modules.autoupdate.services.UpdateManagerImpl.getCache(UpdateManagerImpl.java:231) at org.netbeans.modules.autoupdate.services.UpdateManagerImpl.getUpdateUnits(UpdateManagerImpl.java:100) at org.netbeans.api.autoupdate.UpdateManager.getUpdateUnits(UpdateManager.java:103) at org.netbeans.modules.autoupdate.ui.actions.AutoupdateCheckScheduler.checkUpdateElements(AutoupdateCheckScheduler.java:218) at org.netbeans.modules.autoupdate.ui.wizards.LazyOperationDescriptionStep$1.run(LazyOperationDescriptionStep.java:152) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)