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HDFS-8637. OzoneHandler : Add Error Table. (Contributed by Anu Engineer)

This commit is contained in:
Arpit Agarwal 2015-06-22 10:22:29 -07:00 committed by Owen O'Malley
parent 2ea29ee062
commit d65b373ec4
3 changed files with 224 additions and 2 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-7240.txt
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@ -11,3 +11,6 @@
Arpit Agarwal)
HDFS-8448. Create REST Interface for Volumes. (Anu Engineer via cnauroth)
HDFS-8637. OzoneHandler : Add Error Table. (Anu Engineer via Arpit Agarwal)

204
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/web/exceptions/ErrorTable.java Normal file
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@ -0,0 +1,204 @@
/*
* 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.ozone.web.exceptions;
import org.apache.hadoop.ozone.web.handlers.UserArgs;
import static java.net.HttpURLConnection.HTTP_BAD_REQUEST;
import static java.net.HttpURLConnection.HTTP_CONFLICT;
import static java.net.HttpURLConnection.HTTP_FORBIDDEN;
import static java.net.HttpURLConnection.HTTP_INTERNAL_ERROR;
import static java.net.HttpURLConnection.HTTP_NOT_FOUND;
import static java.net.HttpURLConnection.HTTP_UNAUTHORIZED;
/**
* Error Table represents the Errors from Ozone Rest API layer.
*
* Please note : The errors in this table are sorted by the HTTP_ERROR codes
* if you add new error codes to this table please follow the same convention.
*/
public final class ErrorTable {
/* Error 400 */
public static final OzoneException MISSING_VERSION =
new OzoneException(HTTP_BAD_REQUEST, "missingVersion",
"x-ozone-version header is required.");
public static final OzoneException MISSING_DATE =
new OzoneException(HTTP_BAD_REQUEST, "missingDate",
"Date header is required.");
public static final OzoneException BAD_DATE =
new OzoneException(HTTP_BAD_REQUEST, "badDate",
"Unable to parse date format.");
public static final OzoneException MALFORMED_QUOTA =
new OzoneException(HTTP_BAD_REQUEST, "malformedQuota",
"Invalid quota specified.");
public static final OzoneException MALFORMED_ACL =
new OzoneException(HTTP_BAD_REQUEST, "malformedACL",
"Invalid ACL specified.");
public static final OzoneException INVALID_VOLUME_NAME =
new OzoneException(HTTP_BAD_REQUEST, "invalidVolumeName",
"Invalid volume name.");
public static final OzoneException INVALID_QUERY_PARAM =
new OzoneException(HTTP_BAD_REQUEST, "invalidQueryParam",
"Invalid query parameter.");
public static final OzoneException INVALID_BUCKET_NAME =
new OzoneException(HTTP_BAD_REQUEST, "invalidBucketName",
"Invalid bucket name.");
public static final OzoneException INVALID_KEY =
new OzoneException(HTTP_BAD_REQUEST, "invalidKey", "Invalid key.");
public static final OzoneException INVALID_REQUEST =
new OzoneException(HTTP_BAD_REQUEST, "invalidRequest",
"Error in request.");
public static final OzoneException MALFORMED_BUCKET_VERSION =
new OzoneException(HTTP_BAD_REQUEST, "malformedBucketVersion",
"Malformed bucket version or version not unique.");
public static final OzoneException MALFORMED_STORAGE_CLASS =
new OzoneException(HTTP_BAD_REQUEST, "malformedStorageClass",
"Invalid storage class specified.");
public static final OzoneException BAD_DIGEST =
new OzoneException(HTTP_BAD_REQUEST, "badDigest",
"Content MD5 does not match.");
public static final OzoneException INCOMPLETE_BODY =
new OzoneException(HTTP_BAD_REQUEST, "incompleteBody",
"Content length does not match stream size.");
public static final OzoneException BAD_AUTHORIZATION =
new OzoneException(HTTP_BAD_REQUEST, "badAuthorization",
"Missing authorization or authorization has to be " +
"unique.");
/* Error 401 */
public static final OzoneException UNAUTHORIZED =
new OzoneException(HTTP_UNAUTHORIZED, "Unauthorized",
"Access token is missing or invalid token.");
/* Error 403 */
public static final OzoneException ACCESS_DENIED =
new OzoneException(HTTP_FORBIDDEN, "accessDenied", "Access denied.");
/* Error 404 */
public static final OzoneException USER_NOT_FOUND =
new OzoneException(HTTP_NOT_FOUND, "userNotFound", "Invalid user name.");
public static final OzoneException VOLUME_NOT_FOUND =
new OzoneException(HTTP_NOT_FOUND, "volumeNotFound", "No such volume.");
/* Error 409 */
public static final OzoneException VOLUME_ALREADY_EXISTS =
new OzoneException(HTTP_CONFLICT, "volumeAlreadyExists",
"Duplicate volume name.");
public static final OzoneException BUCKET_ALREADY_EXISTS =
new OzoneException(HTTP_CONFLICT, "bucketAlreadyExists",
"Duplicate bucket name.");
public static final OzoneException VOLUME_NOT_EMPTY =
new OzoneException(HTTP_CONFLICT, "volumeNotEmpty",
"Volume must not have any buckets.");
public static final OzoneException BUCKET_NOT_EMPTY =
new OzoneException(HTTP_CONFLICT, "bucketNotEmpty",
"Bucket must not have any keys.");
public static final OzoneException KEY_OPERATION_CONFLICT =
new OzoneException(HTTP_CONFLICT, "keyOperationConflict",
"Conflicting operation on the specified key is going" +
" on.");
/* Error 500 */
public static final OzoneException SERVER_ERROR =
new OzoneException(HTTP_INTERNAL_ERROR, "internalServerError",
"Internal server error.");
/**
* Create a new instance of Error.
*
* @param e Error Template
* @param requestID Request ID
* @param resource Resource Name
* @param hostID hostID
*
* @return creates a new instance of error based on the template
*/
public static OzoneException newError(OzoneException e, long requestID,
String resource, String hostID) {
OzoneException err =
new OzoneException(e.getHttpCode(), e.getShortMessage(),
e.getMessage());
err.setRequestId(Long.toString(requestID));
err.setResource(resource);
err.setHostID(hostID);
return err;
}
/**
* Create new instance of Error.
*
* @param e - Error Template
* @param args - Args
*
* @return Ozone Exception
*/
public static OzoneException newError(OzoneException e, UserArgs args) {
OzoneException err =
new OzoneException(e.getHttpCode(), e.getShortMessage(),
e.getMessage());
err.setRequestId(Long.toString(args.getRequestID()));
err.setResource(args.getResourceName());
err.setHostID(args.getHostName());
return err;
}
/**
* Create new instance of Error.
*
* @param e - Error Template
* @param args - Args
* @param ex Exception
*
* @return Ozone Exception
*/
public static OzoneException newError(OzoneException e, UserArgs args,
Exception ex) {
OzoneException err =
new OzoneException(e.getHttpCode(), e.getShortMessage(), ex);
err.setRequestId(Long.toString(args.getRequestID()));
err.setResource(args.getResourceName());
err.setHostID(args.getHostName());
err.setMessage(ex.getMessage());
return err;
}
private ErrorTable() {
// Never constructed.
}
}

15
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/web/exceptions/OzoneException.java
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@ -45,6 +45,21 @@ public class OzoneException extends Exception {
private String hostID;
/**
* Constructor that allows a shortMessage and exception.
*
* @param httpCode Error Code
* @param shortMessage Short Message
* @param ex Exception
*/
public OzoneException(long httpCode, String shortMessage, Exception ex) {
super(ex);
this.message = ex.getMessage();
this.shortMessage = shortMessage;
this.httpCode = httpCode;
}
/**
* Constructor that allows a shortMessage.
*