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[livy] Synchronize the spark interpreter when shutting down

This prevents clients from trying to execute commands while
the interpreter is shutting down.
Erick Tryzelaar 10 anni fa
parent
commit
0e7ac154fe

+ 1 - 1
apps/spark/java/livy-repl/src/main/scala/com/cloudera/hue/livy/repl/scala/interpreter/Interpreter.scala

@@ -123,7 +123,7 @@ class Interpreter {
     result
   }
 
-  def shutdown(): Unit = {
+  def shutdown(): Unit = synchronized {
     _state = Interpreter.ShuttingDown()
 
     if (sparkContext != null) {