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https://issues.apache.org/jira/browse/BEAM-1315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17546307#comment-17546307
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Kenneth Knowles commented on BEAM-1315:
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This issue has been migrated to https://github.com/apache/beam/issues/18189
> FileBasedSink could write tmp files above the output prefix.
> ------------------------------------------------------------
>
> Key: BEAM-1315
> URL: https://issues.apache.org/jira/browse/BEAM-1315
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Pei He
> Priority: P3
> Labels: Clarified
>
> FileBasedWriteOperation.TemporaryDirectoryBuilder tempDirBuilder =
> new FileBasedWriteOperation.TemporaryDirectoryBuilder();
> tempDirBuilder.apply("/home/output/"),
> apply() returns "/home/temp-beam-output-2017-01-25_22-14-49"
> And, it was not under the output prefix "/home/output/".
> Examples of Path resolve:
> Paths.get("/home/output").resolve("temp-beam");
> Paths.get("/home/output/").resolve("temp-beam");
> /home/output/temp-beam
> /home/output/temp-beam
> Paths.get("/home/output").resolve("..").resolve("temp-beam");
> Paths.get("/home/output/").resolve("..").resolve("temp-beam");
> /home/output/../temp-beam
> /home/output/../temp-beam
> Paths.get("/home/output").resolveSibling("temp-beam");
> Paths.get("/home/output/").resolveSibling("temp-beam");
> /home/temp-beam
> /home/temp-beam
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