[closed] Creating multiple items via REST on ClearQuest in parallel
Vincent Leung (11●1●1)
| asked Apr 03 '18, 6:38 p.m.
closed Apr 04 '18, 3:41 a.m. by Ralph Schoon (63.5k●3●36●46) Hi there,
I've been trying to create items in parallel on ClearQuest 9.0.1.02, however, whenever I have two REST requests run in parallel, I keep receiving the following error:
< message > CRVSV0917E The request timed out waiting for a locked resource to become free. < /message> < statusCode > 500 < /statusCode> < cq: reasonCode > aborted < /cq:reasonCode> < cq: resource rdf: resource = "http://<server>/cqweb/oslc/repo/<repository>/db/USER" > USER < /cq:resource>
The type that I am writing to is a custom type, not sure if that makes any difference.
From the HTTPServer error log: I noticed that there are:
[Tue Apr 03 14:17:50 2018] [notice] mpmstats: rdy 598 bsy 2 rd 0 wr 2 ka 0 log 0 dns 0 cls 0
[Tue Apr 03 14:17:50 2018] [notice] mpmstats: bsy: 2 in mod_was_ap22_http.c
which seems to have the 2 requests running, but never completes. I am able to do sequential creates within 200ms on postman, but once a parallel create occurs, both requests seem to hang until the request times out, which is set to 5 minutes. I have tried using DB2 and SQL Server 2014 and both result in the same error.
Does ClearQuest support concurrent requests through the REST API, and if so, how do I go about understanding where my bottleneck is?
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The question has been closed for the following reason: "Question is off-topic or not relevant" by rschoon Apr 04 '18, 3:41 a.m.
2 answers
Ralph Schoon (63.5k●3●36●46)
| answered Apr 04 '18, 3:40 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER I am sorry Vincent, but this is no ClearQuest forum. Search for that forum. I found https://developer.ibm.com/answers/index.html another one is http://www.cccqcommunity.com/forum.html
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ClearQuest accepts multiple users sessions without any problems. If you try to send two request in parallel from the client, the client may have the problem.
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