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From "Eric Lin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SQOOP-3039) Sqoop unable to export Time data "13:14:12.1234" into Time colum in RMDBS
Date Fri, 28 Oct 2016 00:16:00 GMT
Eric Lin created SQOOP-3039:
-------------------------------

             Summary: Sqoop unable to export Time data "13:14:12.1234" into Time colum in
RMDBS
                 Key: SQOOP-3039
                 URL: https://issues.apache.org/jira/browse/SQOOP-3039
             Project: Sqoop
          Issue Type: Bug
          Components: tools
    Affects Versions: 1.4.6
            Reporter: Eric Lin
            Priority: Minor


To re-produce:

Set up MySQL database with following schema:

{code}
CREATE TABLE `test` (
  `a` time(2) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
{code}

Store the following data in HDFS:

{code}
16:56:53.0999
16:56:54.1
16:56:53.0000
16:56:54.1230
{code}

run Sqoop export command to copy data from HDFS into MySQL:

{code}
qoop export --connect jdbc:mysql://<mysql-host>/test --username root --password password
--table test  -m 1 --driver com.mysql.jdbc.Driver  --export-dir /tmp/test
{code}

Command will fail with the following error:

{code}
java.lang.RuntimeException: Can't parse input data: '16:56:53.0999'
        at t5.__loadFromFields(t5.java:223)
        at t5.parse(t5.java:166)
        at org.apache.sqoop.mapreduce.TextExportMapper.map(TextExportMapper.java:89)
        at org.apache.sqoop.mapreduce.TextExportMapper.map(TextExportMapper.java:39)
        at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
        at org.apache.sqoop.mapreduce.AutoProgressMapper.run(AutoProgressMapper.java:64)
        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:784)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
        at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
        at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.NumberFormatException: For input string: "53.0999"
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
        at java.lang.Integer.parseInt(Integer.java:580)
        at java.lang.Integer.parseInt(Integer.java:615)
        at java.sql.Time.valueOf(Time.java:108)
        at t5.__loadFromFields(t5.java:215)
        ... 12 more
{code}

Looks like Sqoop uses java.sql.Time.valueOf function to convert "16:56:53.0999" to Time object,
however, this function only accepts Time in "hh:mm:ss" format:

https://docs.oracle.com/javase/7/docs/api/java/sql/Time.html#valueOf(java.lang.String)



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