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https://issues.apache.org/jira/browse/FLINK-9675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16544617#comment-16544617
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ASF GitHub Bot commented on FLINK-9675:
---------------------------------------
Github user tedyu commented on the issue:
https://github.com/apache/flink/pull/6335
From https://travis-ci.org/apache/flink/jobs/404127448 :
```
Failed tests:
BlobServerPutTest.testPutBufferFailsIncomingForJob
Expected: (an instance of java.io.IOException and exception with message a
string containing " (Permission denied)")
but: exception with message a string containing " (Permission denied)"
message was
"/tmp/junit4230160308108538699/junit7824839689112636430/blobStore-94b4189a-4e00-4bca-82c2-5ca72b1fb950/incoming/temp-00000001"
Stacktrace was: java.nio.file.AccessDeniedException:
/tmp/junit4230160308108538699/junit7824839689112636430/blobStore-94b4189a-4e00-4bca-82c2-5ca72b1fb950/incoming/temp-00000001
at
sun.nio.fs.UnixException.translateToIOException(UnixException.java:84)
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
at
sun.nio.fs.UnixFileSystemProvider.newByteChannel(UnixFileSystemProvider.java:214)
at
java.nio.file.spi.FileSystemProvider.newOutputStream(FileSystemProvider.java:434)
at java.nio.file.Files.newOutputStream(Files.java:216)
at
org.apache.flink.runtime.blob.BlobServer.putBuffer(BlobServer.java:594)
at
org.apache.flink.runtime.blob.BlobServer.putTransient(BlobServer.java:542)
at
org.apache.flink.runtime.blob.BlobServerPutTest.put(BlobServerPutTest.java:799)
at
org.apache.flink.runtime.blob.BlobServerPutTest.testPutBufferFailsIncoming(BlobServerPutTest.java:559)
at
org.apache.flink.runtime.blob.BlobServerPutTest.testPutBufferFailsIncomingForJob(BlobServerPutTest.java:516)
```
Please check the test failure.
Thanks
> Avoid FileInputStream/FileOutputStream
> --------------------------------------
>
> Key: FLINK-9675
> URL: https://issues.apache.org/jira/browse/FLINK-9675
> Project: Flink
> Issue Type: Improvement
> Reporter: Ted Yu
> Assignee: zhangminglei
> Priority: Minor
> Labels: filesystem, pull-request-available
>
> They rely on finalizers (before Java 11), which create unnecessary GC load.
> The alternatives, Files.newInputStream, are as easy to use and don't have
> this issue.
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