org.apache.hadoop.hdfs.server.common.IncorrectVersionException Maven / Gradle / Ivy
/**
* 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.common;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
/**
* The exception is thrown when external version does not match
* current version of the application.
*
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class IncorrectVersionException extends IOException {
private static final long serialVersionUID = 1L;
public IncorrectVersionException(String message) {
super(message);
}
public IncorrectVersionException(String minimumVersion, String reportedVersion,
String remoteDaemon, String thisDaemon) {
this("The reported " + remoteDaemon + " version is too low to communicate" +
" with this " + thisDaemon + ". " + remoteDaemon + " version: '" +
reportedVersion + "' Minimum " + remoteDaemon + " version: '" +
minimumVersion + "'");
}
public IncorrectVersionException(int currentLayoutVersion,
int versionReported, String ofWhat) {
this(versionReported, ofWhat, currentLayoutVersion);
}
public IncorrectVersionException(int versionReported,
String ofWhat,
int versionExpected) {
this("Unexpected version "
+ (ofWhat==null ? "" : "of " + ofWhat) + ". Reported: "
+ versionReported + ". Expecting = " + versionExpected + ".");
}
}