Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/15009#discussion_r101085286
--- Diff:
launcher/src/main/java/org/apache/spark/launcher/SparkLauncher.java ---
@@ -528,13 +582,41 @@ public SparkAppHandle
startApplication(SparkAppHandle.Listener... listeners) thr
pb.environment().put(LauncherProtocol.ENV_LAUNCHER_PORT,
String.valueOf(LauncherServer.getServerInstance().getPort()));
pb.environment().put(LauncherProtocol.ENV_LAUNCHER_SECRET,
handle.getSecret());
+ pb.environment().put(LauncherProtocol.ENV_LAUNCHER_STOP_IF_SHUTDOWN,
String.valueOf(stopIfLauncherShutdown));
try {
handle.setChildProc(pb.start(), loggerName);
} catch (IOException ioe) {
handle.kill();
throw ioe;
}
+ return handle;
+ }
+
+ private SparkAppHandle
startApplicationAsThread(SparkAppHandle.Listener... listeners) throws
IOException {
+ ChildThreadAppHandle handle = LauncherServer.newAppThreadHandle();
+ for (SparkAppHandle.Listener l : listeners) {
+ handle.addListener(l);
+ }
+ String appName = getAppName();
+ setConf(LAUNCHER_INTERNAL_PORT,
String.valueOf(LauncherServer.getServerInstance().getPort()));
+ setConf(LAUNCHER_INTERNAL_CHILD_PROCESS_SECRET, handle.getSecret());
+ setConf(LAUNCHER_INTERNAL_STOP_IF_SHUTDOWN,
String.valueOf(stopIfLauncherShutdown));
+ setConf(LAUNCHER_INTERNAL_THREAD_ENABLED, "true");
+ try {
+ // It is important that spark-submit class is available in the
classpath.
+ // Trying to see if method is available in the classpath else throws
Exception.
+ Method main = SparkSubmitRunner.getSparkSubmitMain();
+ Thread submitJobThread = new Thread(new SparkSubmitRunner(main,
builder.buildSparkSubmitArgs()));
+ submitJobThread.setName(appName);
+ submitJobThread.setDaemon(true);
+ handle.setChildThread(submitJobThread);
+ submitJobThread.start();
+ } catch (ClassNotFoundException cnfe) {
+ throw new IOException("Please make sure spark-core is in the
classpath.", cnfe);
--- End diff --
both this and exception below rephrase from "spark-core" to be "the spark
jar containing SparkSubmit"
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