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Ashutosh Chauhan commented on HIVE-17391: ----------------------------------------- Stacktrace {code} Exception running child : java.lang.NullPointerException at java.util.Hashtable.put(Hashtable.java:459) at java.util.Hashtable.putAll(Hashtable.java:523) at org.apache.hadoop.hive.common.StringableMap.toProperties(StringableMap.java:77) at org.apache.hadoop.hive.ql.txn.compactor.CompactorMR$CompactorMap.getWriter(CompactorMR.java:660) at org.apache.hadoop.hive.ql.txn.compactor.CompactorMR$CompactorMap.map(CompactorMR.java:636) at org.apache.hadoop.hive.ql.txn.compactor.CompactorMR$CompactorMap.map(CompactorMR.java:610) {code} > Compaction fails if there is an empty value in tblproperties > ------------------------------------------------------------ > > Key: HIVE-17391 > URL: https://issues.apache.org/jira/browse/HIVE-17391 > Project: Hive > Issue Type: Bug > Components: Metastore, Transactions > Affects Versions: 2.2.0, 2.3.0 > Reporter: Ashutosh Chauhan > > create table t1 (a int) tblproperties ('serialization.null.format'=''); > alter table t1 compact 'major'; > fails -- This message was sent by Atlassian JIRA (v6.4.14#64029)