Guanpx opened a new issue #5359:
URL: https://github.com/apache/dolphinscheduler/issues/5359
**Which version of DolphinScheduler:**
-[1.3.x]
**Additional context**
Tenant Manage > Tenant Code > new Tenant that code was 1
When that Tenant run task , Exception :
```
[INFO] 2021-04-22 20:25:53.876 - [taskAppId=TASK-3-11-12]:[115] - create
linux os user : 1
[INFO] 2021-04-22 20:25:53.876 - [taskAppId=TASK-3-11-12]:[115] - execute
cmd : sudo useradd -g dolphinscheduler
1
[ERROR] 2021-04-22 20:25:53.949 - [taskAppId=TASK-3-11-12]:[105] - useradd:
invalid user name '1'
org.apache.dolphinscheduler.common.shell.AbstractShell$ExitCodeException:
useradd: invalid user name '1'
at
org.apache.dolphinscheduler.common.shell.AbstractShell.runCommand(AbstractShell.java:209)
at
org.apache.dolphinscheduler.common.shell.AbstractShell.run(AbstractShell.java:124)
at
org.apache.dolphinscheduler.common.shell.ShellExecutor.execute(ShellExecutor.java:127)
at
org.apache.dolphinscheduler.common.shell.ShellExecutor.execCommand(ShellExecutor.java:104)
at
org.apache.dolphinscheduler.common.shell.ShellExecutor.execCommand(ShellExecutor.java:87)
at
org.apache.dolphinscheduler.common.utils.OSUtils.exeShell(OSUtils.java:395)
at
org.apache.dolphinscheduler.common.utils.OSUtils.exeCmd(OSUtils.java:385)
at
org.apache.dolphinscheduler.common.utils.OSUtils.createLinuxUser(OSUtils.java:290)
at
org.apache.dolphinscheduler.common.utils.OSUtils.createUser(OSUtils.java:264)
at
org.apache.dolphinscheduler.common.utils.FileUtils.createWorkDirAndUserIfAbsent(FileUtils.java:175)
at
org.apache.dolphinscheduler.server.worker.processor.TaskExecuteProcessor.process(TaskExecuteProcessor.java:139)
at
org.apache.dolphinscheduler.remote.handler.NettyServerHandler$1.run(NettyServerHandler.java:128)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
**Requirement or improvement**
- declaration Tenant CODE was not begin with number !!!!
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