diff options
| -rw-r--r-- | streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala b/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala index 9f2117ada6..2de035d166 100644 --- a/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala +++ b/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala @@ -79,6 +79,10 @@ class JobGenerator(jobScheduler: JobScheduler) extends Logging { def start(): Unit = synchronized { if (eventLoop != null) return // generator has already been started + // Call checkpointWriter here to initialize it before eventLoop uses it to avoid a deadlock. + // See SPARK-10125 + checkpointWriter + eventLoop = new EventLoop[JobGeneratorEvent]("JobGenerator") { override protected def onReceive(event: JobGeneratorEvent): Unit = processEvent(event) |