Github user arunmahadevan commented on a diff in the pull request:
https://github.com/apache/storm/pull/1217#discussion_r58577654
--- Diff: storm-core/src/ui/public/js/script.js ---
@@ -220,19 +220,21 @@ function topologyActionJson(id, encodedId, name,
status, msgTimeout, debug, samp
jsonData["deactivateStatus"] = (status === "ACTIVE") ? "enabled" :
"disabled";
jsonData["rebalanceStatus"] = (status === "ACTIVE" || status ===
"INACTIVE" ) ? "enabled" : "disabled";
jsonData["killStatus"] = (status !== "KILLED") ? "enabled" :
"disabled";
- jsonData["startDebugStatus"] = (status === "ACTIVE" && !debug) ?
"enabled" : "disabled";
+ jsonData["startDebugStatus"] = (status === "ACTIVE" &&
loggersTotal!=null && loggersTotal!=0 && !debug) ? "enabled" : "disabled";
--- End diff --
Good catch. I think we should remove `loggersTotal != null` so that "debug"
is enabled if the value is set to `null` since one event logger task is created
per worker if the value is set to null. This interpretation of "null" is not
very intuitive, but its consistent with what "null" means with other variables
like "topology.acker.executors".
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