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Ship it! Ship It! - Nate Cole On Jan. 29, 2016, 2:28 p.m., Jonathan Hurley wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/42970/ > ----------------------------------------------------------- > > (Updated Jan. 29, 2016, 2:28 p.m.) > > > Review request for Ambari, Alejandro Fernandez, Eugene Chekanskiy, and Nate > Cole. > > > Bugs: AMBARI-14847 > https://issues.apache.org/jira/browse/AMBARI-14847 > > > Repository: ambari > > > Description > ------- > > The alerts framework on each Ambari Agent runs alerts in a threadpool when > the job triggers. This can cause the following error to randomly appear and > the alert to go CRITICAL: > > {noformat} > Connection failed to http://nat-rare-21-dvitiiuk-2-5.novalocal:8088 > (Execution of '/usr/bin/kinit -l 5m -c > /var/lib/ambari-agent/tmp/web_alert_cc_f3f99363c3b7d1667f1287ce3a35aa52 -kt > /etc/security/keytabs/spnego.service.keytab > HTTP/[email protected] > /dev/null' returned 1. > > kinit: Internal credentials cache error while storing credentials while > getting initial credentials) > {noformat} > > The alerts would randomly go CRITICAL at the end of their ticket expiration > time only to become OK again shortly after. > > The cause is that the {{kinit}} command being executed to create new > credentials cannot be run concurrently for the same user. > > > Diffs > ----- > > ambari-common/src/main/python/resource_management/core/global_lock.py > PRE-CREATION > > ambari-common/src/main/python/resource_management/libraries/functions/curl_krb_request.py > b42a8a3 > > ambari-common/src/main/python/resource_management/libraries/functions/hive_check.py > aacb176 > > ambari-server/src/main/resources/common-services/HIVE/0.12.0.2.0/package/alerts/alert_hive_metastore.py > dbf0600 > > ambari-server/src/main/resources/common-services/HIVE/0.12.0.2.0/package/alerts/alert_webhcat_server.py > 1e95703 > > ambari-server/src/main/resources/common-services/OOZIE/4.0.0.2.0/package/alerts/alert_check_oozie_server.py > fcc2d49 > ambari-server/src/test/python/TestGlobalLock.py PRE-CREATION > > Diff: https://reviews.apache.org/r/42970/diff/ > > > Testing > ------- > > Deployed to a cluster experiencing the issue. > > ---------------------------------------------------------------------- > Total run:868 > Total errors:0 > Total failures:0 > OK > > > Thanks, > > Jonathan Hurley > >
