Jungtaek Lim created STORM-1928:
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Summary: ShellSpout should send heartbeat tuple while nextTuple()
is not called
Key: STORM-1928
URL: https://issues.apache.org/jira/browse/STORM-1928
Project: Apache Storm
Issue Type: Bug
Components: storm-multilang
Reporter: Jungtaek Lim
Assignee: Jungtaek Lim
Priority: Critical
It affects Storm releases which are greater than 0.9.3 so I didn't set affect
version/s. All version lines are affected.
When nextTuple is not calling at any chances (max spout pending, backpressure
introduced at 1.0.0, and so on) multi-lang spout don't receive any message from
ShellSpout, thus no messages from multi-lang spout side. (because multilang
spout and ShellSpout communicates like ping-pong, unlike multilang bolt and
ShellBolt)
In result, no heartbeat is being marked, and finally raises subprocess
heartbeat timeout.
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