org.apache.hadoop.fs.s3a.RemoteFileChangedException Maven / Gradle / Ivy
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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.fs.s3a;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.fs.PathIOException;
/**
* Indicates the S3 object is out of sync with the expected version. Thrown in
* cases such as when the object is updated while an {@link S3AInputStream} is
* open, or when a file expected was never found.
*/
@SuppressWarnings("serial")
@InterfaceAudience.Public
@InterfaceStability.Unstable
public class RemoteFileChangedException extends PathIOException {
public static final String PRECONDITIONS_FAILED =
"Constraints of request were unsatisfiable";
/**
* While trying to get information on a file known to S3Guard, the
* file never became visible in S3.
*/
public static final String FILE_NEVER_FOUND =
"File to rename not found on guarded S3 store after repeated attempts";
/**
* The file wasn't found in rename after a single attempt -the unguarded
* codepath.
*/
public static final String FILE_NOT_FOUND_SINGLE_ATTEMPT =
"File to rename not found on unguarded S3 store";
/**
* Constructs a RemoteFileChangedException.
*
* @param path the path accessed when the change was detected
* @param operation the operation (e.g. open, re-open) performed when the
* change was detected
* @param message a message providing more details about the condition
*/
public RemoteFileChangedException(String path,
String operation,
String message) {
super(path, message);
setOperation(operation);
}
/**
* Constructs a RemoteFileChangedException.
*
* @param path the path accessed when the change was detected
* @param operation the operation (e.g. open, re-open) performed when the
* change was detected
* @param message a message providing more details about the condition
* @param cause inner cause.
*/
public RemoteFileChangedException(String path,
String operation,
String message,
Throwable cause) {
super(path, message, cause);
setOperation(operation);
}
}