[jira] [Created] (HADOOP-16462) distcp should throw exception other than -999 error code while the exception is not classify, for us to know the real reason it failed

[lifulong (JIRA)]

lifulong created HADOOP-16462:
---------------------------------

             Summary: distcp should throw exception other than -999 error code 
while the exception is not classify, for us to know the real reason it failed 
                 Key: HADOOP-16462
                 URL: https://issues.apache.org/jira/browse/HADOOP-16462
             Project: Hadoop Common
          Issue Type: Bug
          Components: tools/distcp
    Affects Versions: 3.1.1
         Environment: {code:java}
// code placeholder
@Override
        public int run(String[] argv) {
        if (argv.length < 1) {
        OptionsParser.usage();
        return DistCpConstants.INVALID_ARGUMENT;
        }
        
        try {
        context = new DistCpContext(OptionsParser.parse(argv));
        checkSplitLargeFile();
        setTargetPathExists();
        LOG.info("Input Options: " + context);
        } catch (Throwable e) {
        LOG.error("Invalid arguments: ", e);
        System.err.println("Invalid arguments: " + e.getMessage());
        OptionsParser.usage();
        return DistCpConstants.INVALID_ARGUMENT;
        }
        
        try {
        execute();
        } catch (InvalidInputException e) {
        LOG.error("Invalid input: ", e);
        return DistCpConstants.INVALID_ARGUMENT;
        } catch (DuplicateFileException e) {
        LOG.error("Duplicate files in input path: ", e);
        return DistCpConstants.DUPLICATE_INPUT;
        } catch (AclsNotSupportedException e) {
        LOG.error("ACLs not supported on at least one file system: ", e);
        return DistCpConstants.ACLS_NOT_SUPPORTED;
        } catch (XAttrsNotSupportedException e) {
        LOG.error("XAttrs not supported on at least one file system: ", e);
        return DistCpConstants.XATTRS_NOT_SUPPORTED;
        } catch (Exception e) {
        LOG.error("Exception encountered ", e);
        return DistCpConstants.UNKNOWN_ERROR;
        }
        return DistCpConstants.SUCCESS;
        }
{code}
 

distcp run method should throw exception other than -999 error code while the 
exception is not classify, for us to know the real reason it failed 
            Reporter: lifulong






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