Problem Note 69652: The SAS® Cloud Analytic Services (CAS) server crashes with the error “ERROR: The system has encountered an unhandled Exception...”
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The CAS server crashes when you access CAS sessions with your browser cookies cleared.
This issue can occur when you access SAS® Environment Manager or when you run a curl command with a zero-length cookie such as the following:
curl -H "Cookie;" -X GET http://<CAS HOST>:56376/cas/sessions
The following is an example traceback:
sas-cas.sh Initializing file /opt/sas/viya/config/var/log/cas/default/caslaunch_default_controller_daemon.err at 2022-07-08_154317
2022-07-08T15:46:28 <CAS HOST>:0: ERROR: Could not find the specified session.
ERROR: The system has encountered an unhandled Exception.
: Please contact technical support and provide them
: with the following traceback and system dump information:
ABORT: SAS/TK is aborting
: ---------------------------------------
: Thread Name httpd%d
Traceback:
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(bkt_abort_tkt_cb+0xb5) [0x7f80c8d63e85]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(skaCallAbortRoutines+0x111) [0x7f80c8d62da1]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(bkabort+0xac) [0x7f80c8d7142c]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(bkt_signal_handler+0x154) [0x7f80c8d5fd14]
/usr/lib64/libpthread.so.0(+0xf630) [0x7f80ca571630]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkhttp.so(checkAuth+0x31c) [0x7f80ae0bb29c]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkhttp.so(httpProcessRequest+0xac6) [0x7f80ae0c8606]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkhttp.so(clientHandler+0x69) [0x7f80ae0c7a49]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(sktMain+0xf7) [0x7f80c8d5d527]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(bktMain+0x78) [0x7f80c8d5f498]
/usr/lib64/libpthread.so.0(+0x7ea5) [0x7f80ca569ea5]
2022-07-08T15:46:28 <CAS HOST>:0: ERROR: Could not find the specified session.
ERROR: The system has encountered an unhandled Exception.
: Please contact technical support and provide them
: with the following traceback and system dump information:
ABORT: SAS/TK is aborting
: ---------------------------------------
: Thread Name httpd%d
Traceback:
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(bkt_abort_tkt_cb+0xb5) [0x7f80c8d63e85]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(skaCallAbortRoutines+0x111) [0x7f80c8d62da1]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(bkabort+0xac) [0x7f80c8d7142c]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(bkt_signal_handler+0x154) [0x7f80c8d5fd14]
/usr/lib64/libpthread.so.0(+0xf630) [0x7f80ca571630]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkhttp.so(checkAuth+0x31c) [0x7f80ae0bb29c]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkhttp.so(httpProcessRequest+0xac6) [0x7f80ae0c8606]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkhttp.so(clientHandler+0x69) [0x7f80ae0c7a49]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(sktMain+0xf7) [0x7f80c8d5d527]
/appl/sas/opt/sas/viya/home/SASFoundation/sasexe/tkmk.so(bktMain+0x78) [0x7f80c8d5f498]
/usr/lib64/libpthread.so.0(+0x7ea5) [0x7f80ca569ea5]
Click the Hot Fix tab in this note for a link to instructions about accessing and applying the software update.
Operating System and Release Information
| Product Family | Product | System | Product Release | SAS Release | ||
| Reported | Fixed* | Reported | Fixed* | |||
| SAS System | SAS Viya | Linux for x64 | 3.5 | Stable 2022.11 | Viya | Viya |
Viya on Linux: An update for this issue is available for SAS Viya 3.5. For instructions on how to access and apply software updates, see the Updating Your SAS Viya software section in the SAS Viya 3.5 for Linux Deployment Guide at
http://documentation.sas.com/?softwareId=administration&softwareVersion=3.5&softwareContextId=softwareUpdates| Type: | Problem Note |
| Priority: | medium |
| Date Modified: | 2022-12-06 14:40:51 |
| Date Created: | 2022-10-31 08:39:25 |