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/*
* 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.hbase.regionserver.wal;
import java.io.IOException;
import org.apache.hadoop.hbase.regionserver.LogRoller;
import org.apache.hadoop.hbase.replication.SyncReplicationState;
import org.apache.yetus.audience.InterfaceAudience;
/**
* Thrown when {@link LogRoller} try to roll writer but the WAL already was closed. This may
* happened when peer's sync replication state was transited from
* {@link SyncReplicationState#ACTIVE} to {@link SyncReplicationState#DOWNGRADE_ACTIVE} and the
* region's WAL was changed to a new one. But the old WAL was still left in {@link LogRoller}.
*/
@InterfaceAudience.Private
public class WALClosedException extends IOException {
private static final long serialVersionUID = -3183198896865290678L;
public WALClosedException() {
super();
}
/**
* @param msg exception message
*/
public WALClosedException(String msg) {
super(msg);
}
}