This section lists the limitations and known issues of this release. It also provides information about any fixes or workarounds that exist for resolving these limitations and issues.
And WAS team already provide APAR PK67588 to fix it, targeted for WebSphere Application Server Fix Pack 6.1.0.19 was created to address this problem. http://www-01.ibm.com/support/docview.wss?uid=swg1PK67588