Build: NetBeans IDE 8.2 (Build 201609300101)
VM: Java HotSpot(TM) 64-Bit Server VM, 25.101-b13, Java(TM) SE Runtime Environment, 1.8.0_101-b13
OS: Windows 10

User Comments:
GUEST: I only had 7 php-files open. Nothing special. Almost 100% CPU-usage.

GUEST: Doing other stuff with Netbeans idling in the background with a couple of files open.

GUEST: I am not sure about the problem.

GUEST: Nothing, had netbeans opened, but in background. I was working with other applications most notably chrome

GUEST: I was trying to delete a huge number of files from the Project window then NetBeans freezed.

netolm: Don't know what happened, I just open Netbeans.

GUEST: I just copied some files from one folder to the other. Both hade ftp sync..




Stacktrace: 
java.lang.OutOfMemoryError: GC overhead limit exceeded
   at org.openide.util.CharSequences$ByteBasedSequence.toChars(CharSequences.java:1490)
   at org.openide.util.CharSequences$ByteBasedSequence.toString(CharSequences.java:1484)
   at org.netbeans.modules.masterfs.filebasedfs.naming.FileName.getName(FileName.java:114)
   at org.netbeans.modules.masterfs.filebasedfs.naming.FileName.getFile(FileName.java:109)
   at org.netbeans.modules.masterfs.filebasedfs.naming.NamingFactory.getReference(NamingFactory.java:364)
   at org.netbeans.modules.masterfs.filebasedfs.naming.NamingFactory.registerInstanceOfFileNaming(NamingFactory.java:276)