Myroslav Papirkovskyy created AMBARI-15202:
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Summary: Status commands temporary break host component state
machine
Key: AMBARI-15202
URL: https://issues.apache.org/jira/browse/AMBARI-15202
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 1.6.0
Reporter: Myroslav Papirkovskyy
Assignee: Myroslav Papirkovskyy
Priority: Critical
Fix For: 2.2.2
This occurs when status command response is received after start of next stage
which modifies sch state (quite often on starting services during install).
# status command is sent to agent (happens every 60 seconds)
# start commands are scheduled, generated event which move sch from INSTALLED
to STARTING
# status command response received from agent. sch status directly set to
INSTALLED bypassing state machine
# All subsequent task reports from agent trigger InvalidTransitionException, as
OP_INPROGRESS event tries to do STARTING -> STARTING transition.
# However at task end we support INSTALLED -> STARTED transition for STARTED
event. So tasks finish normally.
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