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https://issues.apache.org/jira/browse/HADOOP-18744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17802838#comment-17802838
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Shilun Fan commented on HADOOP-18744:
-------------------------------------
Bulk update: moved all 3.4.0 non-blocker issues, please move back if it is a
blocker. Retarget 3.5.0.
> ITestS3ABlockOutputArray failure with IO File name too long
> -----------------------------------------------------------
>
> Key: HADOOP-18744
> URL: https://issues.apache.org/jira/browse/HADOOP-18744
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Ahmar Suhail
> Priority: Major
>
> On an EC2 instance, the following tests are failing:
>
> {{{}ITestS3ABlockOutputArray.testDiskBlockCreate{}}}{{{}ITestS3ABlockOutputByteBuffer>ITestS3ABlockOutputArray.testDiskBlockCreate{}}}{{{}ITestS3ABlockOutputDisk>ITestS3ABlockOutputArray.testDiskBlockCreate{}}}
>
> with the error IO File name too long.
>
> The tests create a file with a 1024 char file name and rely on
> File.createTempFile() to truncate the file name to < OS limit.
>
> Stack trace:
> {{Java.io.IOException: File name too long}}
> {{ at java.io.UnixFileSystem.createFileExclusively(Native Method)}}
> {{ at java.io.File.createTempFile(File.java:2063)}}
> {{ at
> org.apache.hadoop.fs.s3a.S3AFileSystem.createTmpFileForWrite(S3AFileSystem.java:1377)}}
> {{ at
> org.apache.hadoop.fs.s3a.S3ADataBlocks$DiskBlockFactory.create(S3ADataBlocks.java:829)}}
> {{ at
> org.apache.hadoop.fs.s3a.ITestS3ABlockOutputArray.testDiskBlockCreate(ITestS3ABlockOutputArray.java:114)}}
> {{ at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)}}
> {{ at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)}}
> {{ at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)}}
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