ECC升级S4：ATC代码检查配置

升级必须有这个ATC工具来辅助修正程序

程序截图

操作步骤

1，安装ATC ,Custom Code Analysis (BASIS来做)

Install the respective support packages as per SAP Note 2185390 – Custom Code Analyzer for the release of the sandbox system you just created system AFTER following the manual preparation instructions:

旧的 https://blogs.sap.com/2016/01/15/make-the-s4hana-custom-code-analyzer-work-for-you/

Custom Code Adaptation for SAP S4HANA

新的 https://blogs.sap.com/2017/02/15/sap-s4hana-system-conversion-custom-code-adaptation-process/

2，配置ATC，运行调度

参考图文:（仅供参考，还是看官方文档很详细）
https://success.panaya.com/docs/how-to-configure-execute-the-abap-test-cockpit-atc-for-sap-s4-conversion
https://blogs.sap.com/2016/12/13/remote-code-analysis-in-atc-technical-setup-step-by-step/

官方文档：
Custom Code Migration Guide for SAP S/4HANA
2021
SAP S/4HANA 2021 FPS01
2022-02-23

从官方文档的3.2.1.4 开始看（前面是fiori上的代码检查配置，后面是gui上的代码检查配置部分）

详细步骤：

A. Creating System Groups创建系统组

1. Run transaction ATC.
2. In the navigation pane, expand the node ATC Administration Setup and double-click Object
   Providers. 对象提供者
   
3. Double-click the item System Groups for selection.
4. Switch to change mode ( F6 ).
5. Choose the New Entries button in the toolbar.
6. Enter an ID and short Description for the new system group you want to add. 系统组这个维护一条数据
7. Save the new entry.

B. Configuring Object Providers 配置对象提供者

1. In the RFC Object Providers view, double-click the item RFC Object Providers for selection.
   
2. Switch to change mode ( F6 ).
3. Choose the New Entries button in the toolbar.
4. Specify the following entries for the Object Provider you want to create:具体参数看文档说明

C. Preparing the Custom Code Analysis 准备cca

1. 下载数据库Downloading the Simplification Database
   1. Open the SAP Software Download Center .
   2. Choose Types of Software Installations & Upgrades Access downloads and search for CCMSIDB.
   3. Choose the relevant ZIP file and choose Download Basket.
2. 导入数据库Importing the Simplification Database，导入完，选一个字段给值比如matnr执行，看结果如下图就是好了
   
   1. Log on to the Central Check System.
   2. Run transaction SYCM.
      The Display Simplification Database Content view is opened.
   3. Choose Simplification Database Import from ZIP File from the menu bar.
   4. Choose the ZIP file with the downloaded Simplification Database from your drive and confirm with Open.

D. Setting the Role as Central Check System

1. Run transaction ATC.
   The ABAP Test Cockpit Overview screen appears.
2. In the navigation pane, expand the node ATC Administration Setup and double-click System Role.
3. Switch to change mode ( F6 ).
4. In the Change System Role view, choose ATC Checks Using Object Providers.
   
5. Save the new settings and return to the ABAP Test Cockpit Overview screen.

E.Running Remote SAP S/4HANA Checks

1. Configuring a Remote ATC Run Series(文档中有参数，要按照文档填参数)
   1. Run transaction ATC.
   2. In the navigation pane, expand the nodes ATC Administration Runs and double-click Schedule Runs.
      The screen that appears displays a list of existing run series.
      
   3. Choose the Create button in the toolbar.
   4. Enter the name for the series you want to create and confirm.
      
   5. Specify the following entries for the run series you want to create:具体看文档上说明
      
      S4HANA_READINESS_2021_NO_FLE
      Predefined settings:
      ○ Material number length = 18
      ○ Extended amount field length is disabled
      ○ Extended stock requirement field length is disabled
      ○ Extended season/theme/collection field length is dis­
      abled
      S4HANA_READINESS_2021
      Predefined settings:
      ○ Material number length = 40
      ○ Extended amount field length is enabled
      ○ Extended stock requirement field length is enabled
      ○ Extended season/theme/collection field length is en­
      abled

F.Scheduling a Remote ATC Run Series

1. Run transaction ATC.
2. In the navigation pane, expand the nodes ATC Administration Runs and double-click Monitor and
   Control Runs. 建议后台运行，毕竟程序很多，分析很久
3. Leave the run series field empty and execute ( F8 ).
   The ATC Run Monitor view is displayed. The view shows the status of check runs as running, finished, or
   failed.
   
   

G.Analyzing ATC Run Results

1. Run transaction ATC.
2. In the navigation pane, expand the nodes ATC Administration Runs and double-click Manage
   Results.
3. Leave the run series field empty and choose Execute ( F8 ).
   
    Note
   By default, the ATC run results of the last 10 days are displayed. If you want to see the ATC run results
   from a different period of time, change the settings in Schedule Data.
   The ATC Manage Results view is displayed. The view shows a list of ATC run results from your requested
   period of time.
4. In the ATC Manage Results view, select a run series and choose Display to inspect the results.
   A list of all ATC findings is displayed in transaction SE80.
5. Choose Statistics View.
6. Choose Choose Statistic to group the ATC findings (for example, by SAP Note Number).
   
   The ATC findings are grouped by the selected statistics.
7. Double-click a statistics group to display the list of ATC findings assigned to the selected statistics.
8. Double-click an ATC finding to open detailed information. Here you can find the SAP Note number referring
   to a dedicated SAP Note and the referenced object.
9. Click the object name to navigate to the source code to see where the incompatible code occurs