Fix parsing null async profiler segments (lucko#354)

fonnymunkey · May 6, 2024 · 121e604 · 121e604
1 parent 391b72a
commit 121e604
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/spark-common/src/main/java/me/lucko/spark/common/sampler/async/ProfileSegment.java b/spark-common/src/main/java/me/lucko/spark/common/sampler/async/ProfileSegment.java
@@ -65,7 +65,7 @@ public long getValue() {
 
     public static ProfileSegment parseSegment(JfrReader reader, JfrReader.Event sample, String threadName, long value) {
         JfrReader.StackTrace stackTrace = reader.stackTraces.get(sample.stackTraceId);
-        int len = stackTrace.methods.length;
+        int len = stackTrace != null ? stackTrace.methods.length : 0;
 
         AsyncStackTraceElement[] stack = new AsyncStackTraceElement[len];
         for (int i = 0; i < len; i++) {