fix NPE

jpbempel · jpbempel · commit e2c0ee62ab9b · 2025-10-07T19:19:55.000+02:00
diff --git a/dd-java-agent/agent-debugger/src/main/java/com/datadog/debugger/util/MoshiSnapshotHelper.java b/dd-java-agent/agent-debugger/src/main/java/com/datadog/debugger/util/MoshiSnapshotHelper.java
@@ -546,7 +546,7 @@ public void toJson(JsonWriter jsonWriter, CapturedContext.CapturedThrowable valu
       jsonWriter.value(value.getType());
       jsonWriter.name(MESSAGE);
       String msg = value.getMessage();
-      if (msg.length() > MAX_EXCEPTION_MESSAGE_LENGTH) {
+      if (msg != null && msg.length() > MAX_EXCEPTION_MESSAGE_LENGTH) {
         msg = msg.substring(0, MAX_EXCEPTION_MESSAGE_LENGTH);
       }
       jsonWriter.value(msg);

Original file line number	Diff line number	Diff line change
`@@ -546,7 +546,7 @@ public void toJson(JsonWriter jsonWriter, CapturedContext.CapturedThrowable valu`
`546`	`546`	`jsonWriter.value(value.getType());`
`547`	`547`	`jsonWriter.name(MESSAGE);`
`548`	`548`	`String msg = value.getMessage();`
`549`		`- if (msg.length() > MAX_EXCEPTION_MESSAGE_LENGTH) {`
	`549`	`+ if (msg != null && msg.length() > MAX_EXCEPTION_MESSAGE_LENGTH) {`
`550`	`550`	`msg = msg.substring(0, MAX_EXCEPTION_MESSAGE_LENGTH);`
`551`	`551`	`}`
`552`	`552`	`jsonWriter.value(msg);`