本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# RollbackApplication
<a name="API_RollbackApplication"></a>

將應用程式還原至先前的執行版本。如果您懷疑應用程式卡在暫時狀態或執行中狀態，您可以轉返應用程式。

只有當應用程式處於 `UPDATING`、 或 `RUNNING` 狀態時`AUTOSCALING`，您才能轉返應用程式。

當您轉返應用程式時，它會從上次成功的快照載入狀態資料。如果應用程式沒有快照，Managed Service for Apache Flink 會拒絕復原請求。

## 請求語法
<a name="API_RollbackApplication_RequestSyntax"></a>

```
{
   "ApplicationName": "string",
   "CurrentApplicationVersionId": number
}
```

## 請求參數
<a name="API_RollbackApplication_RequestParameters"></a>

請求接受採用 JSON 格式的下列資料。

 ** [ApplicationName](#API_RollbackApplication_RequestSyntax) **   <a name="APIReference-RollbackApplication-request-ApplicationName"></a>
應用程式名稱。  
類型：字串  
長度限制：長度下限為 1。長度上限為 128。  
模式：`[a-zA-Z0-9_.-]+`  
必要：是

 ** [CurrentApplicationVersionId](#API_RollbackApplication_RequestSyntax) **   <a name="APIReference-RollbackApplication-request-CurrentApplicationVersionId"></a>
目前的應用程式版本 ID。您可以使用 擷取應用程式版本 ID[DescribeApplication](API_DescribeApplication.md)。  
類型：Long  
有效範圍：最小值為 1。最大值為 999999999。  
必要：是

## 回應語法
<a name="API_RollbackApplication_ResponseSyntax"></a>

```
{
   "ApplicationDetail": { 
      "ApplicationARN": "string",
      "ApplicationConfigurationDescription": { 
         "ApplicationCodeConfigurationDescription": { 
            "CodeContentDescription": { 
               "CodeMD5": "string",
               "CodeSize": number,
               "S3ApplicationCodeLocationDescription": { 
                  "BucketARN": "string",
                  "FileKey": "string",
                  "ObjectVersion": "string"
               },
               "TextContent": "string"
            },
            "CodeContentType": "string"
         },
         "ApplicationEncryptionConfigurationDescription": { 
            "KeyId": "string",
            "KeyType": "string"
         },
         "ApplicationSnapshotConfigurationDescription": { 
            "SnapshotsEnabled": boolean
         },
         "ApplicationSystemRollbackConfigurationDescription": { 
            "RollbackEnabled": boolean
         },
         "EnvironmentPropertyDescriptions": { 
            "PropertyGroupDescriptions": [ 
               { 
                  "PropertyGroupId": "string",
                  "PropertyMap": { 
                     "string" : "string" 
                  }
               }
            ]
         },
         "FlinkApplicationConfigurationDescription": { 
            "CheckpointConfigurationDescription": { 
               "CheckpointingEnabled": boolean,
               "CheckpointInterval": number,
               "ConfigurationType": "string",
               "MinPauseBetweenCheckpoints": number
            },
            "JobPlanDescription": "string",
            "MonitoringConfigurationDescription": { 
               "ConfigurationType": "string",
               "LogLevel": "string",
               "MetricsLevel": "string"
            },
            "ParallelismConfigurationDescription": { 
               "AutoScalingEnabled": boolean,
               "ConfigurationType": "string",
               "CurrentParallelism": number,
               "Parallelism": number,
               "ParallelismPerKPU": number
            }
         },
         "RunConfigurationDescription": { 
            "ApplicationRestoreConfigurationDescription": { 
               "ApplicationRestoreType": "string",
               "SnapshotName": "string"
            },
            "FlinkRunConfigurationDescription": { 
               "AllowNonRestoredState": boolean
            }
         },
         "SqlApplicationConfigurationDescription": { 
            "InputDescriptions": [ 
               { 
                  "InAppStreamNames": [ "string" ],
                  "InputId": "string",
                  "InputParallelism": { 
                     "Count": number
                  },
                  "InputProcessingConfigurationDescription": { 
                     "InputLambdaProcessorDescription": { 
                        "ResourceARN": "string",
                        "RoleARN": "string"
                     }
                  },
                  "InputSchema": { 
                     "RecordColumns": [ 
                        { 
                           "Mapping": "string",
                           "Name": "string",
                           "SqlType": "string"
                        }
                     ],
                     "RecordEncoding": "string",
                     "RecordFormat": { 
                        "MappingParameters": { 
                           "CSVMappingParameters": { 
                              "RecordColumnDelimiter": "string",
                              "RecordRowDelimiter": "string"
                           },
                           "JSONMappingParameters": { 
                              "RecordRowPath": "string"
                           }
                        },
                        "RecordFormatType": "string"
                     }
                  },
                  "InputStartingPositionConfiguration": { 
                     "InputStartingPosition": "string"
                  },
                  "KinesisFirehoseInputDescription": { 
                     "ResourceARN": "string",
                     "RoleARN": "string"
                  },
                  "KinesisStreamsInputDescription": { 
                     "ResourceARN": "string",
                     "RoleARN": "string"
                  },
                  "NamePrefix": "string"
               }
            ],
            "OutputDescriptions": [ 
               { 
                  "DestinationSchema": { 
                     "RecordFormatType": "string"
                  },
                  "KinesisFirehoseOutputDescription": { 
                     "ResourceARN": "string",
                     "RoleARN": "string"
                  },
                  "KinesisStreamsOutputDescription": { 
                     "ResourceARN": "string",
                     "RoleARN": "string"
                  },
                  "LambdaOutputDescription": { 
                     "ResourceARN": "string",
                     "RoleARN": "string"
                  },
                  "Name": "string",
                  "OutputId": "string"
               }
            ],
            "ReferenceDataSourceDescriptions": [ 
               { 
                  "ReferenceId": "string",
                  "ReferenceSchema": { 
                     "RecordColumns": [ 
                        { 
                           "Mapping": "string",
                           "Name": "string",
                           "SqlType": "string"
                        }
                     ],
                     "RecordEncoding": "string",
                     "RecordFormat": { 
                        "MappingParameters": { 
                           "CSVMappingParameters": { 
                              "RecordColumnDelimiter": "string",
                              "RecordRowDelimiter": "string"
                           },
                           "JSONMappingParameters": { 
                              "RecordRowPath": "string"
                           }
                        },
                        "RecordFormatType": "string"
                     }
                  },
                  "S3ReferenceDataSourceDescription": { 
                     "BucketARN": "string",
                     "FileKey": "string",
                     "ReferenceRoleARN": "string"
                  },
                  "TableName": "string"
               }
            ]
         },
         "VpcConfigurationDescriptions": [ 
            { 
               "SecurityGroupIds": [ "string" ],
               "SubnetIds": [ "string" ],
               "VpcConfigurationId": "string",
               "VpcId": "string"
            }
         ],
         "ZeppelinApplicationConfigurationDescription": { 
            "CatalogConfigurationDescription": { 
               "GlueDataCatalogConfigurationDescription": { 
                  "DatabaseARN": "string"
               }
            },
            "CustomArtifactsConfigurationDescription": [ 
               { 
                  "ArtifactType": "string",
                  "MavenReferenceDescription": { 
                     "ArtifactId": "string",
                     "GroupId": "string",
                     "Version": "string"
                  },
                  "S3ContentLocationDescription": { 
                     "BucketARN": "string",
                     "FileKey": "string",
                     "ObjectVersion": "string"
                  }
               }
            ],
            "DeployAsApplicationConfigurationDescription": { 
               "S3ContentLocationDescription": { 
                  "BasePath": "string",
                  "BucketARN": "string"
               }
            },
            "MonitoringConfigurationDescription": { 
               "LogLevel": "string"
            }
         }
      },
      "ApplicationDescription": "string",
      "ApplicationMaintenanceConfigurationDescription": { 
         "ApplicationMaintenanceWindowEndTime": "string",
         "ApplicationMaintenanceWindowStartTime": "string"
      },
      "ApplicationMode": "string",
      "ApplicationName": "string",
      "ApplicationStatus": "string",
      "ApplicationVersionCreateTimestamp": number,
      "ApplicationVersionId": number,
      "ApplicationVersionRolledBackFrom": number,
      "ApplicationVersionRolledBackTo": number,
      "ApplicationVersionUpdatedFrom": number,
      "CloudWatchLoggingOptionDescriptions": [ 
         { 
            "CloudWatchLoggingOptionId": "string",
            "LogStreamARN": "string",
            "RoleARN": "string"
         }
      ],
      "ConditionalToken": "string",
      "CreateTimestamp": number,
      "LastUpdateTimestamp": number,
      "RuntimeEnvironment": "string",
      "ServiceExecutionRole": "string"
   },
   "OperationId": "string"
}
```

## 回應元素
<a name="API_RollbackApplication_ResponseElements"></a>

如果動作成功，則服務傳回 HTTP 200 回應。

服務會傳回下列 JSON 格式的資料。

 ** [ApplicationDetail](#API_RollbackApplication_ResponseSyntax) **   <a name="APIReference-RollbackApplication-response-ApplicationDetail"></a>
描述應用程式，包括應用程式 Amazon Resource Name (ARN)、狀態、最新版本，以及輸入和輸出組態。  
類型：[ApplicationDetail](API_ApplicationDetail.md) 物件

 ** [OperationId](#API_RollbackApplication_ResponseSyntax) **   <a name="APIReference-RollbackApplication-response-OperationId"></a>
可用於追蹤請求的操作 ID。  
類型：字串  
長度限制：長度下限為 1。長度上限為 64。

## 錯誤
<a name="API_RollbackApplication_Errors"></a>

 ** ConcurrentModificationException **   
因應用程式並行修改而擲回的例外狀況。此錯誤可能是嘗試修改應用程式而不使用目前應用程式 ID 的結果。  
HTTP 狀態碼：400

 ** InvalidArgumentException **   
指定的輸入參數值無效。  
HTTP 狀態碼：400

 ** InvalidRequestException **   
請求 JSON 對 操作無效。  
HTTP 狀態碼：400

 ** ResourceInUseException **   
應用程式不適用於此操作。  
HTTP 狀態碼：400

 ** ResourceNotFoundException **   
找不到指定的應用程式。  
HTTP 狀態碼：400

 ** UnsupportedOperationException **   
請求被拒絕，因為指定的參數不受支持，或指定的資源對此操作無效。  
HTTP 狀態碼：400

## 另請參閱
<a name="API_RollbackApplication_SeeAlso"></a>

如需在其中一種語言特定 AWS SDKs中使用此 API 的詳細資訊，請參閱下列內容：
+  [AWS 命令列界面 V2](https://docs.aws.amazon.com/goto/cli2/kinesisanalyticsv2-2018-05-23/RollbackApplication) 
+  [AWS 適用於 .NET V4 的 SDK](https://docs.aws.amazon.com/goto/DotNetSDKV4/kinesisanalyticsv2-2018-05-23/RollbackApplication) 
+  [AWS 適用於 C\$1\$1 的 SDK](https://docs.aws.amazon.com/goto/SdkForCpp/kinesisanalyticsv2-2018-05-23/RollbackApplication) 
+  [AWS 適用於 Go 的 SDK v2](https://docs.aws.amazon.com/goto/SdkForGoV2/kinesisanalyticsv2-2018-05-23/RollbackApplication) 
+  [AWS 適用於 Java V2 的 SDK](https://docs.aws.amazon.com/goto/SdkForJavaV2/kinesisanalyticsv2-2018-05-23/RollbackApplication) 
+  [AWS 適用於 JavaScript V3 的 SDK](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/kinesisanalyticsv2-2018-05-23/RollbackApplication) 
+  [AWS 適用於 Kotlin 的 SDK](https://docs.aws.amazon.com/goto/SdkForKotlin/kinesisanalyticsv2-2018-05-23/RollbackApplication) 
+  [AWS 適用於 PHP V3 的 SDK](https://docs.aws.amazon.com/goto/SdkForPHPV3/kinesisanalyticsv2-2018-05-23/RollbackApplication) 
+  [AWS 適用於 Python 的 SDK](https://docs.aws.amazon.com/goto/boto3/kinesisanalyticsv2-2018-05-23/RollbackApplication) 
+  [AWS 適用於 Ruby V3 的 SDK](https://docs.aws.amazon.com/goto/SdkForRubyV3/kinesisanalyticsv2-2018-05-23/RollbackApplication)