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Xiang Li updated HBASE-22089: ----------------------------- Description: HMaster#getClusterSchema() has a lot of usage, for example: {code:title=hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.java|borderStyle=solid} void assignTableToGroup(TableDescriptor desc) throws IOException { String groupName = master.getClusterSchema().getNamespace(desc.getTableName().getNamespaceAsString()) .getConfigurationValue(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP); ... } {code} > HMaster#getClusterSchema() could return null and cause NPE > ---------------------------------------------------------- > > Key: HBASE-22089 > URL: https://issues.apache.org/jira/browse/HBASE-22089 > Project: HBase > Issue Type: Improvement > Components: master > Reporter: Xiang Li > Priority: Minor > > HMaster#getClusterSchema() has a lot of usage, for example: > {code:title=hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.java|borderStyle=solid} > void assignTableToGroup(TableDescriptor desc) throws IOException { > String groupName = > > master.getClusterSchema().getNamespace(desc.getTableName().getNamespaceAsString()) > .getConfigurationValue(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP); > ... > } > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)