/* * Copyright 2018-2023 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with * the License. A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file 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 com.amazonaws.services.dynamodbv2.model; import javax.annotation.Generated; /** *

* The transaction with the given request token is already in progress. *

* Recommended Settings *

* *

* This is a general recommendation for handling the TransactionInProgressException. These settings help * ensure that the client retries will trigger completion of the ongoing TransactWriteItems request. *

* *

*
* Set clientExecutionTimeout to a value that allows at least one retry to be processed after 5 seconds * have elapsed since the first attempt for the TransactWriteItems operation. *
*
*
* Set socketTimeout to a value a little lower than the requestTimeout setting. *
*
*
* requestTimeout should be set based on the time taken for the individual retries of a single HTTP request * for your use case, but setting it to 1 second or higher should work well to reduce chances of retries and * TransactionInProgressException errors. *
*
*
* Use exponential backoff when retrying and tune backoff if needed. *
*

* Assuming default retry policy, example timeout settings based on the guidelines above are as follows: *

* Example timeline: *

*
* 0-1000 first attempt *
*
*
* 1000-1500 first sleep/delay (default retry policy uses 500 ms as base delay for 4xx errors) *
*
*
* 1500-2500 second attempt *
*
*
* 2500-3500 second sleep/delay (500 * 2, exponential backoff) *
*
*
* 3500-4500 third attempt *
*
*
* 4500-6500 third sleep/delay (500 * 2^2) *
*
*
* 6500-7500 fourth attempt (this can trigger inline recovery since 5 seconds have elapsed since the first attempt * reached TC) *
*

*/ @Generated("com.amazonaws:aws-java-sdk-code-generator") public class TransactionInProgressException extends com.amazonaws.services.dynamodbv2.model.AmazonDynamoDBException { private static final long serialVersionUID = 1L; /** * Constructs a new TransactionInProgressException with the specified error message. * * @param message * Describes the error encountered. */ public TransactionInProgressException(String message) { super(message); } }