[jira] [Created] (TRAFODION-3126) Refactored HDFS client implementation should also support Alluxio file system

["Selvaganesan Govindarajan (JIRA)" <ji...@apache.org>]

Selvaganesan Govindarajan created TRAFODION-3126:
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             Summary: Refactored HDFS client implementation should also support Alluxio file system
                 Key: TRAFODION-3126
                 URL: https://issues.apache.org/jira/browse/TRAFODION-3126
             Project: Apache Trafodion
          Issue Type: Sub-task
          Components: sql-exe
            Reporter: Selvaganesan Govindarajan
            Assignee: Selvaganesan Govindarajan


New implementation returns the following error when Alluxio file system is involved.

*** ERROR[8447] An error occurred during hdfs access. Error Detail: SETUP_HDFS_SCAN java.util.concurrent.ExecutionException: java.lang.UnsupportedOperationException: Byte-buffer read unsupported by input stream

java.util.concurrent.FutureTask.report(FutureTask.java:122)

java.util.concurrent.FutureTask.get(FutureTask.java:192)

org.trafodion.sql.HDFSClient.trafHdfsReadBuffer(HDFSClient.java:278)

org.trafodion.sql.HdfsScan.trafHdfsRead(HdfsScan.java:201) Caused by

java.lang.UnsupportedOperationException: Byte-buffer read unsupported by input stream

org.apache.hadoop.fs.FSDataInputStream.read(FSDataInputStream.java:150)

org.trafodion.sql.HDFSClient$HDFSRead.call(HDFSClient.java:172)

java.util.concurrent.FutureTask.run(FutureTask.java:266)

java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

java.lang.Thread.run(Thread.java:745)



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