hadoop NoAwsCredentialsException 源码
haddop NoAwsCredentialsException 代码
文件路径：/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/NoAwsCredentialsException.java
/*
* 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.auth;
import javax.annotation.Nonnull;
/**
* A special exception which declares that no credentials were found;
* this can be treated specially in logging, handling, etc.
* As it subclasses {@link NoAuthWithAWSException}, the S3A retry handler
* knows not to attempt to ask for the credentials again.
*/
public class NoAwsCredentialsException extends
NoAuthWithAWSException {
/**
* The default error message: {@value}.
*/
public static final String E_NO_AWS_CREDENTIALS = "No AWS Credentials";
/**
* Construct.
* @param credentialProvider name of the credential provider.
* @param message message.
*/
public NoAwsCredentialsException(
@Nonnull final String credentialProvider,
@Nonnull final String message) {
this(credentialProvider, message, null);
}
/**
* Construct with the default message of {@link #E_NO_AWS_CREDENTIALS}.
* @param credentialProvider name of the credential provider.
*/
public NoAwsCredentialsException(
@Nonnull final String credentialProvider) {
this(credentialProvider, E_NO_AWS_CREDENTIALS, null);
}
/**
* Construct with exception.
* @param credentialProvider name of the credential provider.
* @param message message.
* @param thrown inner exception
*/
public NoAwsCredentialsException(
@Nonnull final String credentialProvider,
@Nonnull final String message,
final Throwable thrown) {
super(credentialProvider + ": " + message, thrown);
}
}
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