[GitHub] [beam] kennknowles opened a new issue, #18189: FileBasedSink could write tmp files above the output prefix.

[GitBox <gi...@apache.org>]

kennknowles opened a new issue, #18189:
URL: https://github.com/apache/beam/issues/18189

   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
   
   
   Imported from Jira [BEAM-1315](https://issues.apache.org/jira/browse/BEAM-1315). Original Jira may contain additional context.
   Reported by: peihe0@gmail.com.


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