Pavel Benes created SQOOP-2387:
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Summary: NPE thrown when sqoop tries to import table with column
containing some special character
Key: SQOOP-2387
URL: https://issues.apache.org/jira/browse/SQOOP-2387
Project: Sqoop
Issue Type: Bug
Components: hive-integration
Affects Versions: 1.4.6, 1.4.5
Environment: HDP 2.2.0.0-2041
Reporter: Pavel Benes
Priority: Critical
This sqoop import:
sqoop import --connect jdbc:mysql://some.merck.com:1234/dbname --username XXX
--password YYY --table some_table --hcatalog-database some_database
--hcatalog-table some_table --hive-partition-key mg_version
--hive-partition-value 2015-05-28-13-18 -m 1 --verbose --fetch-size -2147483648
fails with with this error:
2015-06-01 13:20:39,209 WARN [main] org.apache.hadoop.mapred.YarnChild:
Exception running child : java.lang.NullPointerException
at
org.apache.hive.hcatalog.data.schema.HCatSchema.get(HCatSchema.java:105)
at
org.apache.sqoop.mapreduce.hcat.SqoopHCatImportHelper.convertToHCatRecord(SqoopHCatImportHelper.java:194)
at
org.apache.sqoop.mapreduce.hcat.SqoopHCatImportMapper.map(SqoopHCatImportMapper.java:52)
at
org.apache.sqoop.mapreduce.hcat.SqoopHCatImportMapper.map(SqoopHCatImportMapper.java:34)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
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:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
It seems that the error is caused by a column name containing a hyphen ('-').
Column names are converted to java identifiers but later this converted name
could not be found in HCatalog schema.
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