[HIVE-10428] NPE in RegexSerDe using HCat

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.13.0, 0.14.0, 1.0.0, 1.1.0
• Fix Version/s: 1.2.0
• Component/s: Serializers/Deserializers
• Assignee: Jason Dere
• Reporter: Jason Dere
• Created: 21/Apr/15 22:30
• Updated: 18/May/15 19:56
• Resolved: 29/Apr/15 20:06

Description

When HCatalog calls to table with "org.apache.hadoop.hive.serde2.RegexSerDe", when doing Hcatalog call to get read the table, it throws exception:

15/04/21 14:07:31 INFO security.TokenCache: Got dt for hdfs://hdpsecahdfs; Kind: HDFS_DELEGATION_TOKEN, Service: ha-hdfs:hdpsecahdfs, Ident: (HDFS_DELEGATION_TOKEN token 1478 for haha)
15/04/21 14:07:31 INFO mapred.FileInputFormat: Total input paths to process : 1
Splits len : 1
SplitInfo : [hdpseca03.seca.hwxsup.com, hdpseca04.seca.hwxsup.com, hdpseca05.seca.hwxsup.com]
15/04/21 14:07:31 INFO mapreduce.InternalUtil: Initializing org.apache.hadoop.hive.serde2.RegexSerDe with properties {name=casetest.regex_table, numFiles=1, columns.types=string,string, serialization.format=1, columns=id,name, rawDataSize=0, numRows=0, output.format.string=%1$s %2$s, serialization.lib=org.apache.hadoop.hive.serde2.RegexSerDe, COLUMN_STATS_ACCURATE=true, totalSize=25, serialization.null.format=\N, input.regex=([^ ]*) ([^ ]*), transient_lastDdlTime=1429590172}
15/04/21 14:07:31 WARN serde2.RegexSerDe: output.format.string has been deprecated
Exception in thread "main" java.lang.NullPointerException
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:187)
	at com.google.common.base.Splitter.split(Splitter.java:371)
	at org.apache.hadoop.hive.serde2.RegexSerDe.initialize(RegexSerDe.java:155)
	at org.apache.hadoop.hive.serde2.AbstractSerDe.initialize(AbstractSerDe.java:49)
	at org.apache.hadoop.hive.serde2.SerDeUtils.initializeSerDe(SerDeUtils.java:518)
	at org.apache.hive.hcatalog.mapreduce.InternalUtil.initializeDeserializer(InternalUtil.java:156)
	at org.apache.hive.hcatalog.mapreduce.HCatRecordReader.createDeserializer(HCatRecordReader.java:127)
	at org.apache.hive.hcatalog.mapreduce.HCatRecordReader.initialize(HCatRecordReader.java:92)
	at HCatalogSQLMR.main(HCatalogSQLMR.java:81)

Issue Links

• is related to: HIVE-6681 Describe table sometimes shows "from deserializer" for column comments