Apache
/
hbase
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

HBASE-9421 Provide better error message when dropping non-existent namespace (Ted Yu) 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1520043 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Zhihong Yu 2013-09-04 14:58:30 +00:00
parent 9da78ca043
commit 7c21efdb04
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
hbase-server/src/main/java/org/apache/hadoop/hbase/master/TableNamespaceManager.java
View File

@ -18,6 +18,7 @@
package org.apache.hadoop.hbase.master;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.NavigableSet;
@ -46,9 +47,9 @@ import org.apache.hadoop.hbase.master.handler.CreateTableHandler;
import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.FSUtils;
import com.google.common.collect.Sets;
import org.apache.hadoop.hbase.util.FSUtils;
/**
* This is a helper class used to manage the namespace
@ -156,7 +157,12 @@ public class TableNamespaceManager {
if (NamespaceDescriptor.RESERVED_NAMESPACES.contains(name)) {
throw new ConstraintException("Reserved namespace "+name+" cannot be removed.");
}
int tableCount = masterServices.listTableDescriptorsByNamespace(name).size();
int tableCount;
try {
tableCount = masterServices.listTableDescriptorsByNamespace(name).size();
} catch (FileNotFoundException fnfe) {
throw new ConstraintException("namespace " + name + " does not exist");
}
if (tableCount > 0) {
throw new ConstraintException("Only empty namespaces can be removed. " +
"Namespace "+name+" has "+tableCount+" tables");