xuejiaqing opened a new issue #9466: org.apache.druid.indexing.overlord.TaskLockbox: Cannot create a new taskLockPosse for request URL: https://github.com/apache/druid/issues/9466 ### Affected Version 0.16.0 ### Description I found compact task for a few datasources hold WAITING status for a long time. In coordinator-overload node console, I find follow message: ``` 2020-03-06T11:52:58,382 INFO [TaskQueue-Manager] org.apache.druid.indexing.overlord.TaskLockbox - Cannot create a new taskLockPosse for request[TimeChunkLockRequest{lockType=EXCLUSIVE, groupId='compact_adx-request-filter-metrics_2020-03-06T11:30:01.651Z', dataSource='adx-request-filter-metrics', interval=2020-03-06T06:00:00.000Z/2020-03-06T07:00:00.000Z, preferredVersion='null', priority=25, revoked=false}] because existing locks[[TaskLockPosse{taskLock=TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_adx-request-filter-metrics', dataSource='adx-request-filter-metrics', interval=2020-03-06T06:00:00.000Z/2020-03-06T07:00:00.000Z, version='2020-03-06T10:47:09.285Z', priority=75, revoked=false}, taskIds=[index_kafka_adx-request-filter-metrics_6a37d1c6d0fa153_iamopdpa, index_kafka_adx-request-filter-metrics_797854f089d6998_pbglpphl, index_kafka_adx-request-filter-metrics_a0b134541395abf_lcbhjmkg, index_kafka_adx-request-filter-metrics_c403b3bf99e4d28_oomgpngh, index_kafka_adx-request-filter-metrics_df46166f8e3bfb5_jjknmfki]}]] have same or higher priorities ``` Those tasks in above message has been completed. In my cluster, most of supervisor run expect and it happened at yesterday. What should I do to fix it?
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