[jira] [Created] (BEAM-8173) Filesystems.matchSingleFileSpec throws away the actual failure exception

["Kenneth Knowles (Jira)" <ji...@apache.org>]

Kenneth Knowles created BEAM-8173:
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             Summary: Filesystems.matchSingleFileSpec throws away the actual failure exception
                 Key: BEAM-8173
                 URL: https://issues.apache.org/jira/browse/BEAM-8173
             Project: Beam
          Issue Type: Bug
          Components: sdk-java-core
            Reporter: Kenneth Knowles


At [1] the result of a non-OK match causes an exception to be thrown. But the exception does not include the actual cause of the failure, so it cannot be efficiently debugged. It appears that the design of MatchResult is that it should call metadata() without bothering to check status, so that the underlying exception can be re-raised and caught and put in the chain of causes, as it should be.

[1] https://github.com/apache/beam/blob/c2f0d282337f3ae0196a7717712396a5a41fdde1/sdks/java/core/src/main/java/org/apache/beam/sdk/io/FileSystems.java#L190



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