Description:
The patch can be downloaded from the TIBCO Support ftp server, support-ftp.tibco.com. Please use your eSupport username and password to access the server. After connecting, go to /available_downloads/ActiveEnterprise/BusinessWorks/BW/5.2.1/hotfix-06/  to download the appropriate hotfix for your OS/platform.

Also please note that Hotfix 5 was a internal release so it is not there on the FTP site.

The issues which are fixed in BW 5.2.1 HF 06 are :

  Defect Id: 1-6PWSLI
    Fixed a Null Pointer Exception when JMS Topic subscriber is
    run with Sequence key set.
    
  Defect Id: 1-6PYYAJ
    Addressed an engine memory growth issue even when Max Jobs was specified.
    The issue happened in AE subscriber process and is now fixed.

  Defect Id: 1-6Q1ZS2
    Under certain load situations, the JMS QueueReceiver could
    go into a thread deadlock state and stop receiving messages.  This
    issue is now fixed.

  Defect Id: 1-6Q2U65
    Addressed an "Output data Invalid" error on the receiving end
    of an RV publisher activity when the RV publisher was setting the
    XML encoding to UTF-8 and "XML Format" checkbox is checked even
    though the project encoding is set to ISO885901.  
    
  Defect Id: 1-6Q5KMK
    Under cetain conditions, the JMS topic receive may stop
    retrieving messages from the server.  This issue is now fixed.