Interim Fix JR27322: Memory leak on Websphere Application Server

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Abstract

The fix resolves the memory leak problem caused by BTT LU62 JCA component.

Download Description


JR27322 resolves the following problem:

Error Description:

Many BTT instances are referred by a BTT object although these instances will not be used anymore. When the problem occurs, in java heapdump file, you can find the following symptom:
=======================================================================================

134,086,056 [655,376] 146,284 array of java/lang/Object 0xce7f5de0

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0xc9293be8

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0x75bca5b0

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0xc7a243b0

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0xc8fd75d0

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0xc8ec48b8

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0x7ef1a730

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0x7e9f8310

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0xcfc775c8

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0x7ee4d690

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0xc8da5210

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0x7e196550

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0x7d0180f8

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0xc8b6ab20

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0xcfbed2e8

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0x7a0f6d40

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0xcfd18e58

134,087,368 [80] 11

com/ibm/connector2/sna/lu62/Lu62ManagedConnectionFactory 0xa3d197e8

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0x77bd2c10

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0xcfb83ae8

1,792 [88] 8 com/ibm/connector2/sna/lu62/Lu62ManagedConnection

0xc8d23e10

There are 146,264 more children

134,087,368 [80] 11

com/ibm/connector2/sna/lu62/Lu62ManagedConnectionFactory 0xa3d197e8
=======================================================================================

Local Fix:

To restart WAS solves this problem temporarily .


Problem Conclusion:
Code changes have been made to correct this problem.

Prerequisites

Interim Fix JR27198

URL LANGUAGE SIZE(Bytes)
Interim Fix JR27198 English 113983

Installation Instructions

See readme file in fix

Download package


How critical is this fix?

High

Problems solved

Yes

Download RELEASE DATE LANGUAGE SIZE(Bytes) Download Options
Interim Fix JR27322 2007-9-28 English 114176 FTP

Problems (APARS) fixed
JR27322

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Document information


More support for:

Branch Transformation Toolkit for WebSphere Studio

Software version:

5.2

Operating system(s):

AIX, Linux, Solaris, Windows

Reference #:

4018454

Modified date:

2011-02-14

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