报错背景
Azkaban跑MR作业
报错现象
06-05-2021 20:14:26 CST MR ERROR - Job run failed!
java.lang.RuntimeException: azkaban.jobExecutor.utils.process.ProcessFailureException: Process exited with code 255
at azkaban.jobExecutor.ProcessJob.run(ProcessJob.java:312)
at azkaban.execapp.JobRunner.runJob(JobRunner.java:830)
at azkaban.execapp.JobRunner.doRun(JobRunner.java:607)
at azkaban.execapp.JobRunner.run(JobRunner.java:568)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: azkaban.jobExecutor.utils.process.ProcessFailureException: Process exited with code 255
at azkaban.jobExecutor.utils.process.AzkabanProcess.run(AzkabanProcess.java:125)
at azkaban.jobExecutor.ProcessJob.run(ProcessJob.java:304)
... 8 more
06-05-2021 20:14:26 CST MR ERROR - azkaban.jobExecutor.utils.process.ProcessFailureException: Process exited with code 255 cause: azkaban.jobExecutor.utils.process.ProcessFailureException: Process exited with code 255
06-05-2021 20:14:26 CST MR INFO - Finishing job MR at 1620303266234 with status FAILED
报错原因
环境变量的问题
（1）执行命令没有配置环境变量
（2）命令执行过程中使用到的jar包没有写全路径
报错解决
配置环境变量，补全依赖文件目录。