404 when task type is index

[ktong]

Error when index id likes index_{datasource_name}_2018-03-20T17:39:09.499Z:
druid.js:138 TypeError: Cannot read property '3' of null
at Object.parseTaskId (druid.js:13739)
at Object.decorateTask (druid.js:13752)
at tasks.reduce.all (druid.js:13778)
at Array.reduce ()
at Object.processTasks (druid.js:13775)
at druid.js:13856
at druid.js:118
at J (druid.js:147)
at J (druid.js:147)
at druid.js:148

The root cause is regex for taskId parsing does not support index type task. Code is at

druid-console/src/client/factories/iUtils.coffee

Line 5 in 6f5137a

m = taskId.match /^((hadoop_convert_segment)|index_(hadoop|realtime|spark)|(archive))_(.+)_(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}.\d{3}Z)/