JDK-6892742 : Improve root set used by jhat
- Type: Enhancement
- Component: core-svc
- Sub-Component: tools
- Affected Version: 7
- Priority: P3
- Status: Closed
- Resolution: Fixed
- OS: generic
- CPU: generic
- Submitted: 2009-10-18
- Updated: 2011-04-19
- Resolved: 2011-04-19
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Unresolved : Release in which this issue/RFE will be addressed.
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| JDK 7 | Other |
|---|---|
7 b78Fixed  |
OpenJDK6Fixed |
Description
See http://mail.openjdk.java.net/pipermail/serviceability-dev/2009-October/001591.html
diff --git a/src/share/classes/com/sun/tools/hat/internal/model/JavaStatic.java b/src/share/classes/com/sun/tools/hat/internal/model/JavaStatic.java
--- a/src/share/classes/com/sun/tools/hat/internal/model/JavaStatic.java
+++ b/src/share/classes/com/sun/tools/hat/internal/model/JavaStatic.java
@@ -57,7 +57,10 @@ public class JavaStatic {
id = ((JavaObjectRef)value).getId();
}
value = value.dereference(snapshot, field);
- if (value.isHeapAllocated()) {
+ if (value.isHeapAllocated() &&
+ clazz.getLoader() == snapshot.getNullThing()) {
+ // static fields are only roots if they are in classes
+ // loaded by the root classloader.
JavaHeapObject ho = (JavaHeapObject) value;
String s = "Static reference from " + clazz.getName()
+ "." + field.getName();
Comments
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