Avoid NPE when warning generated for multiply injected rule - fixes B…

…YTEMAN-424
adinn · Oct 3, 2022 · a9ea95c · a9ea95c
1 parent 5647147
commit a9ea95c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/agent/src/main/java/org/jboss/byteman/agent/RuleScript.java b/agent/src/main/java/org/jboss/byteman/agent/RuleScript.java
@@ -390,7 +390,8 @@ public synchronized boolean recordCompile(Rule rule, String triggerClass, ClassL
         for (Transform transform : transformSet.getTransforms()) {
             // transform may not employ the same rule
             // but it may have the same key.
-            if(transform.getRule().getKey() == rule.getKey()) {
+            Rule transformRule = transform.getRule();
+            if (transformRule != null && transformRule.getKey() == rule.getKey()) {
                 transform.setCompiled(successful, detail);
                 boolean isInstalled = transformSet.isInstalled();
                 // record this as the latest rule to be installed