See the attached log.

The crash happened in NetBeans when the user invoked Clean action on 2-3 projects and then tried cancelling the project scanning and NetBeans crashed. Not reproducible.

Original NetBeans bug:
http://netbeans.org/bugzilla/show_bug.cgi?id=211698

Stack frames with resolved symbols:

Stack: [0x09390000,0x09590000], sp=0x0958e174, free space=2040k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [jvm.dll+0x29370];;
?verify_switch@ClassVerifier@@AAEXPAVRawBytecodeStream@@IPADPAVStackMapFrame@@PAVStackMapTable@@PAVThread@@@Z+0x1b0
V [jvm.dll+0x2cd92];;
?verify_method@ClassVerifier@@AAEXVmethodHandle@@PAVThread@@@Z+0x1b22
V [jvm.dll+0x2d87a];; ?verify_class@ClassVerifier@@QAEXPAVThread@@@Z+0xba
V [jvm.dll+0x2d9bc];;
?verify@Verifier@@SA_NVinstanceKlassHandle@@W4Mode@1@_NPAVThread@@@Z+0xcc
V [jvm.dll+0x77012];;
?verify_code@instanceKlass@@CA_NVinstanceKlassHandle@@_NPAVThread@@@Z+0x32
V [jvm.dll+0x7be68];;
?link_class_impl@instanceKlass@@CA_NVinstanceKlassHandle@@_NPAVThread@@@Z+0x2b8
V [jvm.dll+0x7eca7];;
?initialize_impl@instanceKlass@@CAXVinstanceKlassHandle@@PAVThread@@@Z+0x37
V [jvm.dll+0x7f066];; ?initialize@instanceKlass@@UAEXPAVThread@@@Z+0x36
V [jvm.dll+0xb2999];;
?find_class_from_class_loader@@YAPAV_jclass@@PAUJNIEnv_@@VsymbolHandle@@EVHandle@@2EPAVThread@@@Z+0x59
V [jvm.dll+0xba9ff];; _JVM_FindClassFromClassLoader@20+0xcf
C [java.dll+0x13bc] Java_java_lang_Class_forName0+0xbe;;
_Java_java_lang_Class_forName0@20+0xbe
j
java.lang.Class.forName0(Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;+0
j
java.lang.Class.forName(Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;+32
J
org.netbeans.modules.java.source.indexing.APTUtils.lookupProcessors(Ljava/lang/ClassLoader;Z)Ljava/util/Collection;