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only check for delegation token from NN when it is non S3 filesystem #50

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only check for delegation token from NN when it is non S3 filesystem #50

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9 changes: 6 additions & 3 deletions ...ce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/FileOutputFormat.java
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Original file line number Diff line number Diff line change
Expand Up @@ -156,9 +156,12 @@ public void checkOutputSpecs(JobContext job
throw new InvalidJobConfException("Output directory not set.");
}

// get delegation token for outDir's file system
TokenCache.obtainTokensForNamenodes(job.getCredentials(),
new Path[] { outDir }, job.getConfiguration());
// only get delegation token for non-S3 file system
if (!outDir.toString().startsWith("s3")) {
// get delegation token for outDir's file system
TokenCache.obtainTokensForNamenodes(job.getCredentials(),
new Path[] { outDir }, job.getConfiguration());
}

if (outDir.getFileSystem(job.getConfiguration()).exists(outDir)) {
throw new FileAlreadyExistsException("Output directory " + outDir +
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