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This bug was originally marked as duplicate of bug 223100, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 8.0.1 (Build 201408251540) VM: Java HotSpot(TM) 64-Bit Server VM, 24.65-b04, Java(TM) SE Runtime Environment, 1.7.0_65-b19 OS: Windows Server 2008 R2 User Comments: douglasfs.ti: Simplesmente abri o netbeans, e me retornou a mensagem de erro. GUEST: I just want to activate JavaFX plugin in Option miibx5: opening NetBeans GUEST: Selected Options->Miscellaneous->Output Tab GUEST: erro ao abrir o netbeans GUEST: started netbeans got this error Stacktrace: java.lang.ClassNotFoundException: org.netbeans.modules.debugger.jpda.projects.StepIntoActionProvider at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
Created attachment 149410 [details] stacktrace
I think this will be some problem with caches. Can you still reproduce to provide more info? Btw. why are you running NetBeans as Administrator? INFO [org.netbeans.Stamps]: cannot rename (#0): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 212 ms INFO [org.netbeans.Stamps]: cannot rename (#1): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 138 ms INFO [org.netbeans.Stamps]: cannot rename (#2): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 989 ms INFO [org.netbeans.Stamps]: cannot rename (#3): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 466 ms INFO [org.netbeans.Stamps]: cannot rename (#4): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 928 ms INFO [org.netbeans.Stamps]: cannot rename (#5): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 780 ms INFO [org.netbeans.Stamps]: cannot rename (#6): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 262 ms INFO [org.netbeans.Stamps]: cannot rename (#7): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 449 ms INFO [org.netbeans.Stamps]: cannot rename (#8): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 492 ms INFO [org.netbeans.Stamps]: cannot rename (#9): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 563 ms WARNING [org.netbeans.Stamps]: Error saving cache C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: Could not delete: C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat java.io.IOException: Could not delete: C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat at org.netbeans.Stamps.deleteCache(Stamps.java:527) at org.netbeans.Stamps.access$200(Stamps.java:90) [catch] at org.netbeans.Stamps$Store.store(Stamps.java:721) at org.netbeans.Stamps$Worker.run(Stamps.java:899) INFO [org.netbeans.Stamps]: cannot rename (#0): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 721 ms INFO [org.netbeans.Stamps]: cannot rename (#1): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 543 ms INFO [org.netbeans.Stamps]: cannot rename (#2): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 902 ms INFO [org.netbeans.Stamps]: cannot rename (#3): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 337 ms INFO [org.netbeans.Stamps]: cannot rename (#4): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 389 ms INFO [org.netbeans.Stamps]: cannot rename (#5): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 142 ms INFO [org.netbeans.Stamps]: cannot rename (#6): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 565 ms INFO [org.netbeans.Stamps]: cannot rename (#7): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 494 ms INFO [org.netbeans.Stamps]: cannot rename (#8): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 526 ms INFO [org.netbeans.Stamps]: cannot rename (#9): C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: after GC INFO [org.netbeans.Stamps]: Slept 78 ms WARNING [org.netbeans.Stamps]: Error saving cache C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat INFO [org.netbeans.Stamps]: Could not delete: C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat java.io.IOException: Could not delete: C:\Users\Administrator\AppData\Local\NetBeans\Cache\8.0.1\all-layers.dat at org.netbeans.Stamps.deleteCache(Stamps.java:527) at org.netbeans.Stamps.access$200(Stamps.java:90) [catch] at org.netbeans.Stamps$Store.store(Stamps.java:721) at org.netbeans.Stamps$Worker.run(Stamps.java:899)
I have seen this a couple of times lately while starting up Dev versions of NetBeans. I don't know how to reproduce it, but I have 2 log files if anyone is interested.
Created attachment 151884 [details] Log File
Created attachment 151885 [details] Log File
I now know when it occurs. It happens when after running a simple JSF project with SQL JDBC with Tomcat. Normally on shutdown of NetBeans, a small dialog appears showing NetBeans is shutting down Tomcat. Sometimes it doesn't happen for several seconds. Sometimes it can take 10 or 15 seconds before the dialog comes up. If the timings is just right and you restart NetBeans before the shutting down of Tomcat is attempted from the previous instance, the startup of NetBeans and the shut down of Tomcat can be simultaneous. This is when the IO Exception occurs.
Closing old issues. This issue should be fixed in NB 8.0.2.