Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/21342#discussion_r189471396
--- Diff:
core/src/main/java/org/apache/spark/memory/SparkOutOfMemoryException.java ---
@@ -0,0 +1,38 @@
+/*
+ * 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.memory;
+
+import org.apache.spark.annotation.Private;
+
+/**
+ * SPARK-24294: To bypass scala bug:
https://github.com/scala/bug/issues/9554, we catch
+ * {@link OutOfMemoryError} in {@link scala.concurrent.Future}'s body, and
re-throw
+ * SparkOutOfMemoryException instead.
+ */
+@Private
+public final class SparkOutOfMemoryException extends Exception {
+
+ private OutOfMemoryError oe;
--- End diff --
so OutOfMemoryError subclasses java.lang.Error
where as this is subclassing from Exeception, does this matter here?
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