Crim commented on a change in pull request #3312: URL: https://github.com/apache/storm/pull/3312#discussion_r457765344
########## File path: storm-webapp/src/main/java/org/apache/storm/daemon/ui/UIHelpers.java ########## @@ -1519,8 +1518,12 @@ private static Double nullToZero(Double value) { result.put("executeLatency", StatsUtil.floatStr(boltAggregateStats.get_execute_latency_ms())); result.put("executed", boltAggregateStats.get_executed()); result.put("processLatency", StatsUtil.floatStr(boltAggregateStats.get_process_latency_ms())); + ErrorInfo lastError = componentAggregateStats.get_last_error(); result.put("lastError", Objects.isNull(lastError) ? "" : getTruncatedErrorString(lastError.get_error())); + if (!Objects.isNull(lastError)) { Review comment: The existing [getComponentErrorInfo()](https://github.com/Crim/storm/blob/sp/STORM-3652/storm-webapp/src/main/java/org/apache/storm/daemon/ui/UIHelpers.java#L1430-L1443) method adds the remaining properties that the UI is expecting to properly render the error. See [topology-page-template.html](https://github.com/Crim/storm/blob/sp/STORM-3652/storm-webapp/src/main/java/org/apache/storm/daemon/ui/WEB-INF/templates/topology-page-template.html#L565-L574) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org