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Product Version = NetBeans IDE 8.2 (Build 201609300101) Operating System = Mac OS X version 10.12.1 running on x86_64 Java; VM; Vendor = 1.8.0_92 Runtime = Java HotSpot(TM) 64-Bit Server VM 25.92-b14 Reproducibility: Happens every time STEPS: * Open dialog Foo * Click on button "Click me" ACTUAL: nothing happens EXPECTED: message pops up NetBeans running very slow after installing Mac Sierra.
Created attachment 162730 [details] IDE log
Reassigning for further investigation.
The exception below shows that NetBeans IDE is not able to create file in your User home: Caused: org.netbeans.modules.masterfs.filebasedfs.utils.FSException: Cannot create folder s7 in folder /Users/loungani/Library/Caches/NetBeans/8.2/index. at org.netbeans.modules.masterfs.filebasedfs.utils.FSException.io(FSException.java:118) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj.createFolderImpl(FolderObj.java:256) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj$2.call(FolderObj.java:324) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj$2.call(FolderObj.java:322) at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem.runAsInconsistent(FileBasedFileSystem.java:122) at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj.createFolder(FolderObj.java:327) at org.openide.filesystems.FileUtil.createFolder(FileUtil.java:712) at org.netbeans.modules.parsing.impl.indexing.DefaultCacheFolderProvider.findCacheFolderForRoot(DefaultCacheFolderProvider.java:127) at org.netbeans.modules.parsing.impl.indexing.implspi.CacheFolderProvider.getCacheFolderForRoot(CacheFolderProvider.java:97) at org.netbeans.modules.parsing.impl.indexing.CacheFolder.getDataFolder(CacheFolder.java:97) at org.netbeans.modules.parsing.impl.indexing.CacheFolder.getDataFolder(CacheFolder.java:84) at org.netbeans.modules.parsing.impl.indexing.CacheFolder.getDataFolder(CacheFolder.java:79) at org.netbeans.modules.java.source.indexing.JavaIndex.getIndex(JavaIndex.java:109) at org.netbeans.modules.java.source.indexing.JavaIndex.getClassFolder(JavaIndex.java:136) at org.netbeans.modules.java.source.indexing.JavaIndex.getClassFolder(JavaIndex.java:128) at org.netbeans.modules.java.source.TreeLoader.getClassFolder(TreeLoader.java:398) Are you sure that you have enough free space on you disk?