hg: jdk8/tl/jdk: 7173432: Handle null key at HashMap resize

mike.duigou at oracle.com mike.duigou at oracle.com
Fri Jun 1 00:15:57 PDT 2012

Changeset: 7baa22e6a6b3
Author:    mduigou
Date:      2012-06-01 00:05 -0700
URL:       http://hg.openjdk.java.net/jdk8/tl/jdk/rev/7baa22e6a6b3

7173432: Handle null key at HashMap resize
Summary: If the key to be inserted into a HashMap is null and the table needs to be resized as part of the insertion then addEntry will try to recalculate the hash of a null key. This will fail with an NPE.
Reviewed-by: darcy

! src/share/classes/java/util/HashMap.java
+ test/java/util/HashMap/NullKeyAtResize.java

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