/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hdfs.server.namenode;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
/**
* This exception is thrown when the name node is in safe mode.
* Client cannot modified namespace until the safe mode is off.
*
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class SafeModeException extends IOException {
private static final long serialVersionUID = 1L;
public SafeModeException(String text, FSNamesystem.SafeModeInfo mode ) {
super(text + ". Name node is in safe mode.\n" + mode.getTurnOffTip());
}
}