This bug was originally marked as duplicate of bug 235089, 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 (Build 201403101706)
VM: Java HotSpot(TM) 64-Bit Server VM, 25.0-b70, Java(TM) SE Runtime Environment, 1.8.0-b132
OS: Windows 8

User Comments:
GUEST: Error pops up every few seconds on freshly installed version of Netbeans 8.0 Beta.
What I did: just looking at java source-code files

zdenek.rod: I run main class (for running jetty) from test package.

zdenek.rod: I open java file using go to type.

choces: Saving editor file

jiriprox: AIOOBE exception when opening following class:

package javaapplication6;


public class UtilityClass {
    public void neco() {
        System.out.println("ok2");
        
    }
}

GUEST: Editing any file

choces: Starting up NetBeans

choces: Opening and interface

GUEST: Opened NetBeans




Stacktrace: 
java.lang.ArrayIndexOutOfBoundsException: 35328
   at org.objectweb.asm.ClassReader.accept(ClassReader.java:0)
   at edu.umd.cs.findbugs.asm.FBClassReader.accept(FBClassReader.java:44)
   at org.objectweb.asm.ClassReader.accept(ClassReader.java:0)
   at edu.umd.cs.findbugs.classfile.engine.ClassParserUsingASM.parse(ClassParserUsingASM.java:106)
   at edu.umd.cs.findbugs.classfile.engine.ClassParserUsingASM.parse(ClassParserUsingASM.java:492)
   at edu.umd.cs.findbugs.classfile.engine.ClassInfoAnalysisEngine.analyze(ClassInfoAnalysisEngine.java:76)