Github user vanzin commented on a diff in the pull request: https://github.com/apache/spark/pull/15009#discussion_r114173041 --- Diff: resource-managers/yarn/src/test/scala/org/apache/spark/deploy/yarn/YarnClusterSuite.scala --- @@ -162,29 +172,10 @@ class YarnClusterSuite extends BaseYarnClusterSuite { } test("monitor app using launcher library") { - val env = new JHashMap[String, String]() - env.put("YARN_CONF_DIR", hadoopConfDir.getAbsolutePath()) - - val propsFile = createConfFile() - val handle = new SparkLauncher(env) - .setSparkHome(sys.props("spark.test.home")) - .setConf("spark.ui.enabled", "false") - .setPropertiesFile(propsFile) - .setMaster("yarn") - .setDeployMode("client") - .setAppResource(SparkLauncher.NO_RESOURCE) - .setMainClass(mainClassName(YarnLauncherTestApp.getClass)) - .startApplication() - + var handle : SparkAppHandle = null try { - eventually(timeout(30 seconds), interval(100 millis)) { - handle.getState() should be (SparkAppHandle.State.RUNNING) - } - - handle.getAppId() should not be (null) - handle.getAppId() should startWith ("application_") + handle = launchSparkAppWithConf(false, false, "client") --- End diff -- You need to initialize the handle outside the `try`, otherwise you will get an NPE in the `finally` block.
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