I get a NPE in TypeData ----------------------- Key: JASSIST-176 URL: https://issues.jboss.org/browse/JASSIST-176 Project: Javassist Issue Type: Bug Affects Versions: 3.17.0-GA Environment: Java 7 Reporter: John Bainbridge Assignee: Shigeru Chiba Fix For: 3.17.0-GA Attachments: javassist.jar, javassist.nov7.jar This kills my JVM. I'm looking at trying to make simple test case. It appears to be releated to JASSIST-175 caused by: java.lang.NullPointerException at javassist.bytecode.stackmap.TypeData.commonSuperClassEx(TypeData.java:400) at javassist.bytecode.stackmap.TypeData$TypeVar.fixTypes2(TypeData.java:342) at javassist.bytecode.stackmap.TypeData$TypeVar.fixTypes(TypeData.java:325) at javassist.bytecode.stackmap.TypeData$TypeVar.dfs(TypeData.java:270) at javassist.bytecode.stackmap.MapMaker.fixTypes(MapMaker.java:301) at javassist.bytecode.stackmap.MapMaker.make(MapMaker.java:151) at javassist.bytecode.stackmap.MapMaker.make(MapMaker.java:100) at javassist.bytecode.MethodInfo.rebuildStackMap(MethodInfo.java:423) at javassist.bytecode.MethodInfo.rebuildStackMapIf6(MethodInfo.java:405) at javassist.expr.ExprEditor.doit(ExprEditor.java:113) at javassist.CtClassType.instrument(CtClassType.java:1398) at org.powermock.core.transformers.impl.MainMockTransformer.transform(MainMockTransformer.java:75) at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:203) ... 27 more