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https://issues.apache.org/jira/browse/HADOOP-12709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15355417#comment-15355417
 ] 

Hudson commented on HADOOP-12709:
---------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #10035 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/10035/])
HADOOP-12709 Cut s3:// from trunk. Contributed by Mingliang Liu. (stevel: rev 
96fa0f848bbd623ab55092889fb7b040a2a2971c)
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/contract/s3/TestS3ContractOpen.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/contract/s3/TestS3ContractRename.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3/TestS3Credentials.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/S3Credentials.java
* hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3/TestINode.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3native/TestS3Credentials.java
* hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/INode.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3/InMemoryFileSystemStore.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3native/S3Exception.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/S3OutputStream.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/S3FileSystem.java
* hadoop-tools/hadoop-sls/src/main/data/2jobs2min-rumen-jh.json
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/FileSystemStore.java
* 
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestCommonConfigurationFields.java
* 
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/FileSystemContractBaseTest.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/S3InputStream.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/contract/s3/TestS3ContractCreate.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/MigrationTool.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3native/package.html
* 
hadoop-tools/hadoop-aws/src/main/resources/META-INF/services/org.apache.hadoop.fs.FileSystem
* hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/package.html
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/S3FileSystemConfigKeys.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3/TestInMemoryS3FileSystemContract.java
* hadoop-common-project/hadoop-common/src/test/resources/core-site.xml
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3/Jets3tS3FileSystemContractTest.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3native/S3Credentials.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/S3FileSystemException.java
* 
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestLocal_S3FileContextURI.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3/TestS3InMemoryFileSystem.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/contract/s3/S3Contract.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/contract/s3/TestS3ContractSeek.java
* 
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestS3_LocalFileContextURI.java
* hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/contract/s3/TestS3ContractMkdir.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3native/InMemoryNativeFileSystemStore.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/Jets3tFileSystemStore.java
* hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3/S3FileSystemContractBaseTest.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/test/resources/job_1329348432655_0001_conf.xml
* hadoop-tools/hadoop-aws/src/test/resources/contract/s3.xml
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/VersionMismatchException.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3native/NativeS3FileSystem.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/contract/s3/TestS3ContractRootDir.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3native/S3NativeFileSystemConfigKeys.java
* hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/S3Exception.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3/TestS3FileSystem.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/contract/s3/TestS3ContractDelete.java
* hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3/Block.java
* 
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3/S3InMemoryFileSystem.java
* 
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3native/Jets3tNativeFileSystemStore.java


> Cut s3:// from trunk
> --------------------
>
>                 Key: HADOOP-12709
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12709
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs/s3
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Steve Loughran
>            Assignee: Mingliang Liu
>             Fix For: 3.0.0-alpha1
>
>         Attachments: HADOOP-12709-006.patch, HADOOP-12709.000.patch, 
> HADOOP-12709.001.patch, HADOOP-12709.002.patch, HADOOP-12709.003.patch, 
> HADOOP-12709.004.patch, HADOOP-12709.005.patch
>
>
> UPDATE: This JIRA ticket is to track the effort of cutting the s3:// from 
> {{trunk}} branch. Please see the cloned JIRA ticket [HADOOP-13239] for 
> deprecating s3:// from {{branch-2}}.
> The fact that s3:// was broken in Hadoop 2.7 *and nobody noticed until now* 
> shows that it's not being used. while invaluable at the time, s3n and 
> especially s3a render it obsolete except for reading existing data.
> I propose
> # Mark Java source as {{@deprecated}}
> # Warn the first time in a JVM that an S3 instance is created, "deprecated 
> -will be removed in future releases"
> # in Hadoop trunk we really cut it. Maybe have an attic project (external?) 
> which holds it for anyone who still wants it. Or: retain the code but remove 
> the {{fs.s3.impl}} config option, so you have to explicitly add it for use.



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