Guangxu Cheng created HBASE-16430:
-------------------------------------
Summary: RegionServer Group's bug when move tables
Key: HBASE-16430
URL: https://issues.apache.org/jira/browse/HBASE-16430
Project: HBase
Issue Type: Bug
Components: master
Affects Versions: 2.0.0
Reporter: Guangxu Cheng
it is an obvious bug when moves table. Implementation of the moveTables as
follows：
{code:title=RSGroupInfoManagerImpl.java|borderStyle=solid}
@Override
public synchronized void moveTables(
Set<TableName> tableNames, String groupName) throws IOException {
if (groupName != null && !rsGroupMap.containsKey(groupName)) {
throw new DoNotRetryIOException("Group "+groupName+" does not exist or is
a special group");
}
Map<String,RSGroupInfo> newGroupMap = Maps.newHashMap(rsGroupMap);
for(TableName tableName: tableNames) {
if (tableMap.containsKey(tableName)) {
RSGroupInfo src = new
RSGroupInfo(rsGroupMap.get(tableMap.get(tableName)));
src.removeTable(tableName);
newGroupMap.put(src.getName(), src);
}
if(groupName != null) {
RSGroupInfo dst = new RSGroupInfo(newGroupMap.get(groupName));
dst.addTable(tableName);
newGroupMap.put(dst.getName(), dst);
}
}
flushConfig(newGroupMap);
}
{code}
Should use newGroupMap instead of rsGroupMap:
{code}
RSGroupInfo src = new RSGroupInfo(rsGroupMap.get(tableMap.get(tableName)));
{code}
==>
{code}
RSGroupInfo src = new RSGroupInfo(newGroupMap.get(tableMap.get(tableName)));
{code}
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