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smagent.log error Input filter pre-fetch read error - 'Content data is not available'

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Article ID: 15320

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Updated On:

Products

CA Single Sign On Secure Proxy Server (SiteMinder) CA Single Sign On SOA Security Manager (SiteMinder) CA Single Sign-On

Issue/Introduction



Why are observing multiple entries of below message in the webagent log?

[CSmHttpPlugin.cpp:2224][WARNING][sm-HTTPAgent-00190] Unable to process SMSESSION cookie.

 

[SmApache24WebFilterCtxt.cpp:551][ERROR][sm-AgentFramework-00060]Input filter pre-fetch read error - 'Content data is not available'

Environment

12.52.x webagent / Apache2.x

Resolution

The above message is logged if you have legacy applications (that does not support HTTP 1.1) running on the Apache Web Server.

To use Legacy Applications with an Apache Web Agent, update the following ACO parameter:

LegacyTransferEncoding

This parameter specifies the type of message encoding used by the Web Agent. When the value of this parameter is set to no, transfer-encoding is supported.

When the value of this parameter is set to yes, content encoding is used. The transfer-encoding header is ignored and only the content-length header is supported.

Default: No

To use legacy applications with an Apache Web Server, set the value of the LegacyTransferEncoding parameter to yes.

 

Important! If you set the value of this parameter to yes, these features will not work: Federation; preservation of POST data longer than 4 KB; and large certificates may not be recognized

Additional Information

https://docops.ca.com/ca-single-sign-on/12-52-sp1/en/configuring/web-agent-configuration/advanced-configuration-settings/apache-web-server-settings

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