java.util.zip.ZipException: error in opening zip file
   at java.util.zip.ZipFile.open(ZipFile.java:0)
   at java.util.zip.ZipFile.<init>(ZipFile.java:114)
   at java.util.jar.JarFile.<init>(JarFile.java:135)
   at java.util.jar.JarFile.<init>(JarFile.java:114)
   at org.netbeans.JarClassLoader$JarSource$1.call(JarClassLoader.java:468)
   at org.netbeans.JarClassLoader$JarSource$1.call(JarClassLoader.java:461)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
   at java.util.concurrent.FutureTask.run(FutureTask.java:138)
   at org.netbeans.JarClassLoader$JarSource.getJarFile(JarClassLoader.java:490)
   at org.netbeans.JarClassLoader$JarSource.resource(JarClassLoader.java:526)
   at org.netbeans.Archive.getData(Archive.java:199)
   at org.netbeans.JarClassLoader$JarSource.doGetResource(JarClassLoader.java:504)
   at org.netbeans.JarClassLoader$Source.getResource(JarClassLoader.java:337)
   at org.netbeans.JarClassLoader.findResource(JarClassLoader.java:272)
   at org.netbeans.ProxyClassLoader.getResource(ProxyClassLoader.java:375)
   at java.lang.Class.getResource(Class.java:2074)
   at org.netbeans.lib.uihandler.LogFormatter.printFrame(LogFormatter.java:162)
   at org.netbeans.lib.uihandler.LogFormatter.printThrown(LogFormatter.java:229)
   at org.netbeans.lib.uihandler.LogFormatter.format(LogFormatter.java:343)
   at org.netbeans.lib.uihandler.LogRecords.write(LogRecords.java:88)
   at org.netbeans.modules.uihandler.Installer.writeOut(Installer.java:439)
   at org.netbeans.modules.uihandler.UIHandler$1WriteOut.run(UIHandler.java:125)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1957)