--- old/agent/src/share/classes/sun/jvm/hotspot/oops/Symbol.java	Tue Jun 30 09:18:15 2015
+++ new/agent/src/share/classes/sun/jvm/hotspot/oops/Symbol.java	Tue Jun 30 09:18:14 2015
@@ -47,7 +47,7 @@
     Type type  = db.lookupType("Symbol");
     length     = type.getCIntegerField("_length");
     baseOffset = type.getField("_body").getOffset();
-    idHash = type.getJShortField("_identity_hash");
+    idHash = type.getCIntegerField("_identity_hash");
   }
 
   // Format:
@@ -81,9 +81,9 @@
     return addr.getJByteAt(baseOffset + index);
   }
 
-  private static JShortField idHash;
+  private static CIntegerField idHash;
 
-  public short identityHash() { return     (short)idHash.getValue(this.addr); }
+  public int identityHash() { return     (int)idHash.getValue(this.addr); }
 
   public boolean equals(byte[] modUTF8Chars) {
     int l = (int) getLength();