fix redefine may throw NullPointerException problem. close #1215

5 years ago · 51842f7ff1
parent 6ec3bdb3e3
commit 51842f7ff1
1 changed files with 2 additions and 1 deletions
--- a/core/src/main/java/com/taobao/arthas/core/command/klass100/RedefineCommand.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/klass100/RedefineCommand.java
@ -113,7 +113,8 @@ public class RedefineCommand extends AnnotatedCommand {
        List<ClassDefinition> definitions = new ArrayList<ClassDefinition>();
        for (Class<?> clazz : inst.getAllLoadedClasses()) {
            if (bytesMap.containsKey(clazz.getName())) {
-                if (hashCode != null && !Integer.toHexString(clazz.getClassLoader().hashCode()).equals(hashCode)) {
+                ClassLoader classLoader = clazz.getClassLoader();
+                if (classLoader != null && hashCode != null && !Integer.toHexString(classLoader.hashCode()).equals(hashCode)) {
                    continue;
                }
                definitions.add(new ClassDefinition(clazz, bytesMap.get(clazz.getName())));