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/*
* 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 spark.executor
/**
* These are exit codes that executors should use to provide the master with information about
* executor failures assuming that cluster management framework can capture the exit codes (but
* perhaps not log files). The exit code constants here are chosen to be unlikely to conflict
* with "natural" exit statuses that may be caused by the JVM or user code. In particular,
* exit codes 128+ arise on some Unix-likes as a result of signals, and it appears that the
* OpenJDK JVM may use exit code 1 in some of its own "last chance" code.
*/
private[spark]
object ExecutorExitCode {
/** The default uncaught exception handler was reached. */
val UNCAUGHT_EXCEPTION = 50
/** The default uncaught exception handler was called and an exception was encountered while
logging the exception. */
val UNCAUGHT_EXCEPTION_TWICE = 51
/** The default uncaught exception handler was reached, and the uncaught exception was an
OutOfMemoryError. */
val OOM = 52
/** DiskStore failed to create a local temporary directory after many attempts. */
val DISK_STORE_FAILED_TO_CREATE_DIR = 53
def explainExitCode(exitCode: Int): String = {
exitCode match {
case UNCAUGHT_EXCEPTION => "Uncaught exception"
case UNCAUGHT_EXCEPTION_TWICE => "Uncaught exception, and logging the exception failed"
case OOM => "OutOfMemoryError"
case DISK_STORE_FAILED_TO_CREATE_DIR =>
"Failed to create local directory (bad spark.local.dir?)"
case _ =>
"Unknown executor exit code (" + exitCode + ")" + (
if (exitCode > 128)
" (died from signal " + (exitCode - 128) + "?)"
else
""
)
}
}
}
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