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https://issues.apache.org/jira/browse/SQOOP-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17186552#comment-17186552
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Ram commented on SQOOP-3151:
----------------------------
[~sanysand...@gmail.com] [~BoglarkaEgyed]
We are using *sqoop 1.4.7* to upload parquet data that is stored in HDFS -
*Plain parquet files and NOT a Hive table*
**We're still facing the same issue -
{code:java}
20/08/28 13:37:02 ERROR sqoop.Sqoop: Got exception running Sqoop:
org.kitesdk.data.DatasetIOException: Cannot access descriptor location:
hdfs:///<location>/part-00000-f9f92493-36a1-4714-bcc6-291c118cf599-c000/snappy/parquet/.metadata
org.kitesdk.data.DatasetIOException: Cannot access descriptor location:
hdfs:///<location>/part-00000-f9f92493-36a1-4714-bcc6-291c118cf599-c000/snappy/parquet/.metadata{code}
The command we're running -
{code:java}
/sqoop-1.4.7.bin__hadoop-2.6.0/bin/sqoop export --connect
jdbc:postgresql://<postgres_db_details> --username <username> --password
<password> --table <table_name> --export-dir
hdfs:///<location>/part-00000-f9f92493-36a1-4714-bcc6-291c118cf599-c000.parquet
{code}
Postgres JAR - postgresql-42.2.11.jar
Please do suggest a solution ASAP.
> Sqoop export HDFS file type auto detection can pick wrong type
> --------------------------------------------------------------
>
> Key: SQOOP-3151
> URL: https://issues.apache.org/jira/browse/SQOOP-3151
> Project: Sqoop
> Issue Type: Bug
> Affects Versions: 1.4.6
> Reporter: Boglarka Egyed
> Assignee: Sandish Kumar HN
> Priority: Major
>
> It appears that Sqoop export tries to detect the file format by reading the
> first 3 characters of a file. Based on that header, the appropriate file
> reader is used. However, if the result set happens to contain the header
> sequence, the wrong reader is chosen resulting in a misleading error.
> For example, if someone is exporting a table in which one of the field values
> is "PART". Since Sqoop sees the letters "PAR", it is invoking the Kite SDK as
> it assumes the file is in Parquet format. This leads to a misleading error:
> ERROR sqoop.Sqoop: Got exception running Sqoop:
> org.kitesdk.data.DatasetNotFoundException: Descriptor location does not
> exist: hdfs://<path>.metadata
> org.kitesdk.data.DatasetNotFoundException: Descriptor location does not
> exist: hdfs://<path>.metadata
> This can be reproduced easily, using Hive as a real world example:
> > create table test2 (val string);
> > insert into test1 values ('PAR');
> Then run a sqoop export against the table data:
> $ sqoop export --connect $MYCONN --username $MYUSER --password $MYPWD -m 1
> --export-dir /user/hive/warehouse/test --table $MYTABLE
> Sqoop will fail with the following:
> ERROR sqoop.Sqoop: Got exception running Sqoop:
> org.kitesdk.data.DatasetNotFoundException: Descriptor location does not
> exist: hdfs://<path>.metadata
> org.kitesdk.data.DatasetNotFoundException: Descriptor location does not
> exist: hdfs://<path>.metadata
> Changing value from "PAR" to something else, like 'Obj' (Avro) or 'SEQ'
> (sequencefile), which will result in similar errors.
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