[jira] [Created] (KYLIN-2612) Potential NPE accessing familyMap in AclTableMigrationTool#getAllAceInfo

[Ted Yu (JIRA)]

Ted Yu created KYLIN-2612:
-----------------------------

             Summary: Potential NPE accessing familyMap in 
AclTableMigrationTool#getAllAceInfo
                 Key: KYLIN-2612
                 URL: https://issues.apache.org/jira/browse/KYLIN-2612
             Project: Kylin
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


Here is related code:
{code}
        NavigableMap<byte[], byte[]> familyMap = 
result.getFamilyMap(Bytes.toBytes(AclHBaseStorage.ACL_ACES_FAMILY));
        for (Map.Entry<byte[], byte[]> entry : familyMap.entrySet()) {
{code}
Good practice is to check whether familyMap is null / empty first.

See the following class in hbase for example:
hbase-client/src/main/java/org/apache/hadoop/hbase/quotas/QuotaTableUtil.java



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