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https://issues.apache.org/jira/browse/SYSTEMML-1664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Glenn Weidner updated SYSTEMML-1664:
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Fix Version/s: (was: SystemML 1.0)
SystemML 0.15
> File URI schemes not properly handled
> -------------------------------------
>
> Key: SYSTEMML-1664
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1664
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Fix For: SystemML 0.15
>
>
> SystemML's file handling currently relies only on the default file system
> implementation configured in used Hadoop configuration. This creates two
> major problems:
> * When reading from object stores (e.g., via swift or s3), the configured
> hadoop configuration might not necessarily specify the default fs
> implementation, leading to failures as shown below.
> * If HDFS is used as default fs implementation, users cannot load local files
> by prefixing {{file:///}} but are required to put these files first into HDFS.
> {code}
> Caused by: org.apache.sysml.api.mlcontext.MLContextException: Exception
> occurred while validating script
> at
> org.apache.sysml.api.mlcontext.ScriptExecutor.validateScript(ScriptExecutor.java:506)
> at
> org.apache.sysml.api.mlcontext.ScriptExecutor.execute(ScriptExecutor.java:286)
> at org.apache.sysml.api.mlcontext.MLContext.execute(MLContext.java:303)
> ... 43 more
> Caused by: org.apache.sysml.parser.LanguageException: Invalid Parameters :
> ERROR: null -- line 2, column 2 -- Read input file does not exist on FS
> (local mode): swift://<logical_name>/census.csv
> at
> org.apache.sysml.parser.Expression.raiseValidateError(Expression.java:549)
> at
> org.apache.sysml.parser.DataExpression.validateExpression(DataExpression.java:641)
> at org.apache.sysml.parser.StatementBlock.validate(StatementBlock.java:592)
> at
> org.apache.sysml.parser.DMLTranslator.validateParseTree(DMLTranslator.java:143)
> at
> org.apache.sysml.api.mlcontext.ScriptExecutor.validateScript(ScriptExecutor.java:504)
> {code}
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