I tried to use SparkLauncher (org.apache.spark.launcher.SparkLauncher) to submit a Spark Streaming job, however, in my test, the SparkSubmit process got stuck in the "addJar" procedure. Only when the main process (the caller of SparkLauncher) is killed, the submit procedeure continues to run. I ran jstack for the process, it seems jetty was blocking it, and I'm pretty sure there was no port conflicts.
The environment is RHEL(RedHot Enterprise Linux) 6u3 x64, Spark runs in standalone mode. Did this happen to any of you?
