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https://issues.apache.org/jira/browse/YARN-9511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16959353#comment-16959353
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liusheng commented on YARN-9511:
--------------------------------

Hi [~adam.antal],

I am using a Ubuntu 16.04 server with JDK 8(for building and testing),
{code:java}
zuul@ubuntu:~$ java -version
openjdk version "1.8.0_222"
OpenJDK Runtime Environment (build 1.8.0_222-8u222-b10-1ubuntu1~16.04.1-b10)
OpenJDK 64-Bit Server VM (build 25.222-b10, mixed mode)
{code}
The *umask* is for determining the default permissions(read,write, executable) 
of newly created file/directory. it take effect on current login session if set 
by 'umask' command.

> [JDK11] TestAuxServices#testRemoteAuxServiceClassPath YarnRuntimeException: 
> The remote jarfile should not be writable by group or others. The current 
> Permission is 436
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-9511
>                 URL: https://issues.apache.org/jira/browse/YARN-9511
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: test
>            Reporter: Siyao Meng
>            Assignee: Szilard Nemeth
>            Priority: Major
>
> Found in maven JDK 11 unit test run. Compiled on JDK 8.
> {code}
> [ERROR] 
> testRemoteAuxServiceClassPath(org.apache.hadoop.yarn.server.nodemanager.containermanager.TestAuxServices)
>   Time elapsed: 0.551 s  <<< 
> ERROR!org.apache.hadoop.yarn.exceptions.YarnRuntimeException: The remote 
> jarfile should not be writable by group or others. The current Permission is 
> 436
>         at 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices.serviceInit(AuxServices.java:202)
>         at 
> org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
>         at 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.TestAuxServices.testRemoteAuxServiceClassPath(TestAuxServices.java:268)
>         at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         at 
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.base/java.lang.reflect.Method.invoke(Method.java:566)
>         at 
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
>         at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>         at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
>         at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>         at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
>         at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
>         at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
>         at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
>         at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
>         at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
>         at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
>         at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
>         at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
>         at 
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
>         at 
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
>         at 
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
>         at 
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
>         at 
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
>         at 
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
>         at 
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
>         at 
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
> {code}



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