Technical Blog Post
Abstract
The Sybase agent shows HART cursors failing and a cs_ctx_alloc() failed error is seen in the instance logs.
Body
The Sybase agent instance will not report into the APM GUI if you see a cs_ctx_alloc() failure in the agent instance logs. It will look something like this:
>ESQ0430E (014602) cs_ctx_alloc() failed
YEM0100E (014604) koy_init: cs_ctx_alloc() failed
YCD0105E (014604) Unable to set context for SYBASE at collector, RC=0
The most common reasons for a cs_ctx_alloc failure include:
- Memory is insufficient.
- Localization files are missing.
- The value of the LANG environment variable does not match an entry in the locales file.
To resolve this, the following must be done:
1. The SYBASE environment variable must point to the directory where the locales folder is located. So, for example, if the the SYBASE var is set to "/SYBASE/SMP", then verify that the locale dir is also present at this location.
2. Check the current value of the $LANG variable, it should match with any value in locales/locales.dat from Sybase home directory. You can check as follows:
[test@sybase]$ echo $LANG
en_US.UTF-8
3. Next get the values in the locales.dat file ss follows:
[test@sybase]$ grep "en_US.UTF-8" locales/locales.data
locale = en_US.UTF-8, us_english, utf8
If needed, modify the value of the $LANG environment variables to set it to the right locale, as follows:
export LANG=en_US.UTF-8
Restart your Sybase agent instance again, see if it reports in and view the instance logs again to see if the alloc failure no longer exists.
Good luck. 
Noel Lewis
ITCAM / APM / ICAM L2 Support team
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UID
ibm11082553