1 Stack trace: ExitCodeException exitCode=1:

yarn主界面状态显示failed，显示如下：

Diagnostics: Exception from container-launch.
Container id: container_1574829788169_0011_02_000001
Exit code: 1
Stack trace: ExitCodeException exitCode=1: 
    at org.apache.hadoop.util.Shell.runCommand(Shell.java:604)
    at org.apache.hadoop.util.Shell.run(Shell.java:507)
    at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:789)
    at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:213)
    at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302)
    at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)

Container exited with a non-zero exit code 1
Failing this attempt. Failing the application.

但是点进去job日志详情，查看状态为successed。

查看很多文档都不能解决这个问题，最后查看代码，发现

SparkConf sparkConf = new SparkConf()

// .setMaster("local[2]")

.setAppName("javaSparkWordcount");

将setmaster（“local[2]”）注释掉，完美解决。