Github user CodingCat commented on a diff in the pull request:
https://github.com/apache/spark/pull/622#discussion_r12303850
--- Diff:
core/src/main/scala/org/apache/spark/util/UncaughtExceptionHandler.scala ---
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.util
+
+import org.apache.spark.executor.ExecutorExitCode
+import org.apache.spark.Logging
+
+object UncaughtExceptionHandler extends Thread.UncaughtExceptionHandler
with Logging {
+ override def uncaughtException(thread: Thread, exception: Throwable) {
+ try {
+ logError("Uncaught exception in thread " + thread, exception)
+
+ // We may have been called from a shutdown hook. If so, we must not
call System.exit().
+ // (If we do, we will deadlock.)
+ if (!Utils.inShutdown()) {
+ if (exception.isInstanceOf[OutOfMemoryError]) {
+ System.exit(ExecutorExitCode.OOM)
+ } else {
+ System.exit(ExecutorExitCode.UNCAUGHT_EXCEPTION)
+ }
+ }
+ } catch {
+ case oom: OutOfMemoryError =>
Runtime.getRuntime.halt(ExecutorExitCode.OOM)
--- End diff --
Hi, I'm not sure I understand it clearly, I think Runtime.getRuntime.halt
will terminate the process "forcibly", which means that the shutdown hooks will
not be called? is it your intention?
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