PM21227: THE MAXHEADER SETTING IS NOT WORKING AS EXPECTED.

Fixes are available

APAR status

Closed as program error.

Error description

maxHeader setting in the administrative console is not working
as expected. In the administrative console, 50 is set for
"Maximum headers". However, WebSphere Application Server
returns 200 OK instead of 400 error when sending a request
with over 50 headers. In server.xml, there is no definition for
maxHeaders. If specifying the value of "Maximun headers", 4
parameters which include maxHeaders are added in server.xml.

Local fix

```
N/A
```

Problem summary

****************************************************************
* USERS AFFECTED:  IBM WebSphere Application Server Version    *
*                  6.1 and 7.0 users.                          *
****************************************************************
* PROBLEM DESCRIPTION: The current maximum value for           *
*                      maxHeaders is too small.                *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
When attempting to set maxHeaders field for the HTTP Inbound
Channel, it can't be set to the current max(4000), but only to
500.

Problem conclusion

The HTTP Inbound Channel was modified to allow the user to set
the maxHeaders to 4000.

The fix for this APAR is currently targeted for inclusion in
fix packs 6.1.0.35 and 7.0.0.15.  Please refer to the
Recommended Updates page for delivery information:
http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980

Temporary fix

Comments

APAR Information

APAR number
PM21227
Reported component name
WEBS APP SERV N
Reported component ID
5724H8800
Reported release
700
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2010-08-25
Closed date
2010-09-28
Last modified date
2010-11-12

APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:

Fix information

Fixed component name
WEBS APP SERV N
Fixed component ID
5724H8800

Applicable component levels

R61A PSY
UP
R61H PSY
UP
R61I PSY
UP
R61P PSY
UP
R61S PSY
UP
R61W PSY
UP
R61Z PSY
UP
R700 PSY
UP

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.0","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
24 October 2021

Tips

PM21227: THE MAXHEADER SETTING IS NOT WORKING AS EXPECTED.

Fixes are available

Subscribe

APAR status

Closed as program error.

Error description

Local fix

Problem summary

Problem conclusion

Temporary fix

Comments

APAR Information

APAR number

Reported component name

Reported component ID

Reported release

Status

PE

HIPER

Special Attention

Submitted date

Closed date

Last modified date

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Fix information

Fixed component name

Fixed component ID

Applicable component levels

R61A PSY

R61H PSY

R61I PSY

R61P PSY

R61S PSY

R61W PSY

R61Z PSY

R700 PSY

Document Information

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