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This bug was originally marked as duplicate of bug 254427, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.2 (Build 201705191307) VM: Java HotSpot(TM) 64-Bit Server VM, 25.151-b12, Java(TM) SE Runtime Environment, 1.8.0_151-b12 OS: Windows 10 User Comments: GUEST: importing a theme GUEST: error in opening zip file GUEST: Added java and maven plugins, then tried to exit NetBeans Stacktrace: 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:225) at java.util.zip.ZipFile.<init>(ZipFile.java:155) at java.util.zip.ZipFile.<init>(ZipFile.java:169) at org.netbeans.modules.options.export.OptionsExportModel.listZipFile(OptionsExportModel.java:1144) at org.netbeans.modules.options.export.OptionsExportModel.getRelativePaths(OptionsExportModel.java:821)
Created attachment 165421 [details] stacktrace