IBM z/OS 2.1 compatibility issue: Difference between revisions
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(Created page with "In Model 204 versions 7.5 and lower, Horizon TCP applications sending data larger than 16K might get the following error: <p class="code">M204.1254: User language statemen...") |
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Latest revision as of 22:49, 22 January 2015
In Model 204 versions 7.5 and lower, Horizon TCP applications sending data larger than 16K might get the following error:
M204.1254: User language statement is invalid in this conversation state
This error occurs under z/OS version 2.1 because the TCP Default Send Buffer Size (DefaultSndBufSize) was increased to 65536 (from 16384 in earlier versions).
The solutions are as follows:
- Model 204 v7.5:
Apply zap 75Z226. - Model 204 v7.4:
Currently fixed by zap 74Z4552. Contact Technical Support. - Model 204 v7.1 (and lower):
Workaround: Set z/OS 2.1 TCP DefaultSndBufSize to 16384.