PK10456; 5.1.1.5: leak in FragmentComposer of dynamic cache
 Downloadable files
 
Abstract
Memory Leak in FragmentComposer for applications with large servlet responses. The servlet response is written to the cache buffer even in the case where the fragment is non-cache
 
Download Description
PK10456 resolves the following problem:

ERROR DESCRIPTION:
Leak in FragmentComposer of Dynamic Cache.
Here is the snapshot.

1)568,697,232 [128] 9 com/ibm/ws/cache/servlet/FragmentComposer
0x392f2a10
379,130,184 [64] 4 com/ibm/ws/cache/servlet/CacheProxyResponse
0x5ca32c18
379,129,416 [72] 5 com/ibm/ws/cache/servlet/CacheProxyWriter
0x5ca2d89
189,564,664 [40] 3 com/ibm/ws/io/WSCharArrayWriter 0x5c0edc58

LOCAL FIX:

PROBLEM SUMMARY

USERS AFFECTED:
Dynamic Cache users that have servlet caching enabled and applications that return large servlet responses.

PROBLEM DESCRIPTION:
Memory Leak in FragmentComposer for applications with large servlet responses. The servlet response is written to the cache buffer even in the case where the fragment is non-cachable.

RECOMMENDATION:
None

There is a memory Leak in FragmentComposer for applications with large servlet responses.

PROBLEM CONCLUSION:
Disabled writing to the caching buffer for servlet responses that are not cashable and have no parent fragments that have consume-subfragments set to true.

The fix for this APAR is currently targeted for inclusion in 5.0.2.14, 5.1.1.8 and 6.0.2.3.
Please refer to the recommended updates page for delivery information:
General/swg27004980.html
 
Prerequisites
Please download the UpdateInstaller below to install this fix.
 
URL LANGUAGE SIZE(Bytes)
UpdateInstaller US English 7250000
 
 
Installation Instructions
Please review the readme.txt for detailed installation instructions.
 
URL LANGUAGE SIZE(Bytes)
Readme US English 5339
 
Download package
What is DD?
Download RELEASE DATE LANGUAGE SIZE(Bytes) Download Options
PK10456_50212_Fix 9/22/2005 US English 23969 FTP DD
PK10456_5115_Fix 9/22/2005 US English 24332 FTP DD
 
Technical support
1-800-IBM-SERV (U.S. Only)
 
Cross Reference information
Segment Product Component Platform Version Edition
Application Servers Runtimes for Java Technology Java SDK
Problems (APARS) fixed
PK10456
 
 


Document Information


Product categories: Software > Application Servers > Distributed Application & Web Servers > WebSphere Application Server > Dynamic Cache
Operating system(s): Windows
Software version: 5.1.1.5
Software edition:
Reference #: 4010516
IBM Group: Software Group
Modified date: Sep 28, 2005