GH-196 heap can be null

thurka · thurka · commit 1ecd317c485b · 2020-05-12T19:07:45.000+02:00
diff --git a/visualvm/heapviewer.truffle/src/org/graalvm/visualvm/heapviewer/truffle/dynamicobject/DynamicObjectDetailsProvider.java b/visualvm/heapviewer.truffle/src/org/graalvm/visualvm/heapviewer/truffle/dynamicobject/DynamicObjectDetailsProvider.java
@@ -105,6 +105,9 @@ private Long getJSNull(Heap heap) {
     }
 
     private Long getInstanceId(Map<Heap,Long> objectId, Heap heap, String classFqn) {
+        if (heap == null) {
+            return Long.valueOf(0);
+        }
         Long undef = objectId.get(heap);
 
         if (undef == null) {

Original file line number	Diff line number	Diff line change
`@@ -105,6 +105,9 @@ private Long getJSNull(Heap heap) {`
`105`	`105`	`}`
`106`	`106`
`107`	`107`	`private Long getInstanceId(Map<Heap,Long> objectId, Heap heap, String classFqn) {`
	`108`	`+ if (heap == null) {`
	`109`	`+ return Long.valueOf(0);`
	`110`	`+ }`
`108`	`111`	`Long undef = objectId.get(heap);`
`109`	`112`
`110`	`113`	`if (undef == null) {`