| /** |
| * 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.datanode; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.hdfs.protocol.ExtendedBlock; |
| |
| /** |
| * Exception indicating that DataNode does not have a replica |
| * that matches the target block. |
| */ |
| public class ReplicaNotFoundException extends IOException { |
| private static final long serialVersionUID = 1L; |
| final static String NON_RBW_REPLICA = "Cannot recover a non-RBW replica "; |
| final static String UNFINALIZED_REPLICA = |
| "Cannot append to an unfinalized replica "; |
| final static String UNFINALIZED_AND_NONRBW_REPLICA = |
| "Cannot recover append/close to a replica that's not FINALIZED and not RBW "; |
| final static String NON_EXISTENT_REPLICA = |
| "Cannot append to a non-existent replica "; |
| final static String UNEXPECTED_GS_REPLICA = |
| "Cannot append to a replica with unexpeted generation stamp "; |
| |
| public ReplicaNotFoundException() { |
| super(); |
| } |
| |
| ReplicaNotFoundException(ExtendedBlock b) { |
| super("Replica not found for " + b); |
| } |
| |
| public ReplicaNotFoundException(String msg) { |
| super(msg); |
| } |
| } |