请求协助完成Adempiere 360至380版本升级（含自定义开发适配）

Hey there! Upgrading Adempiere from 360 to 380 when you’ve got customizations in place can feel daunting, but let’s break this down into actionable steps to get you there smoothly. I’ve handled similar upgrades before, so here’s what you need to focus on:

Pre-Upgrade Must-Dos #

First, let’s cover the non-negotiable prep work to avoid disaster:

• Take a full backup:
  • Backup your database using your DB tool of choice (e.g., pg_dump -U adempiere -d adempiere_db > adempiere_backup.sql for PostgreSQL, or the MySQL dump command).
  • Zip up your entire Adempiere 360 installation directory, including all custom code and config files. Store these backups somewhere safe—you’ll thank yourself if something goes wrong.
• Set up a mirror test environment: Clone your production setup (data, customizations, all) into a test server. Never run upgrades directly on production first!
• Grab the official 380 package: Download the latest Adempiere 380 release, extract it to a separate directory (don’t overwrite your 360 files yet).

Handling Your Specific Customizations #

Let’s tackle each of your customizations one by one—this is where most upgrade issues pop up:

1. New Interfaces/Screens #

• Extract all your custom screen definitions: This includes the Application Dictionary entries (AD_Window, AD_Form, AD_Tab records) and any associated UI code (like Zk components if you used that framework).
• Check for UI framework changes: Adempiere 380 likely updated its underlying UI libraries (e.g., newer Zk version). Compare your custom screen code against the 380 UI APIs to spot deprecated methods or component changes.
• Re-import and test: Import your custom screens into the 380 Application Dictionary, sync them, and thoroughly test rendering, user interactions, and data flow. Watch for console errors or blank screens—those usually point to API mismatches.

2. Modified/Added Java Classes #

This is the trickiest part, since core Adempiere classes often change between versions:

• Use a code comparison tool: Tools like Beyond Compare or Git Diff will help you map your custom changes against the 380 versions of the same classes.
  • New custom Java classes: Copy these directly to the 380 source directory’s corresponding package. Check for dependency changes—if your class uses a 360-specific API that’s been removed in 380, you’ll need to refactor to use the new equivalent.
  • Modified core classes: Don’t just overwrite the 380 classes with your 360 versions! Instead, manually merge your custom logic into the 380 class files. Pay close attention to official bug fixes or performance improvements in the 380 code—you don’t want to lose those.
• Compile and fix errors: Build your modified code with the 380 build tools, and resolve any compilation errors (missing classes, method signature changes, etc.) one by one.

3. Independent Modules #

• Verify module compatibility: If your modules use Adempiere’s plugin system, check that their dependencies align with 380’s core library versions. Some modules might need minor tweaks to work with the new core code.
• Repackage and install: Rebuild your modules into 380-compatible packages (JARs or Adempiere module archives) and install them in the test environment.
• Test module-system interactions: Make sure your modules can communicate with the 380 core—e.g., if your module adds a new business process, check that it triggers correctly and interacts with core tables as expected.

Core Upgrade Execution #

Once your customizations are prepped, run through the core upgrade steps:

1. Stop all Adempiere 360 services (application server, any background processes).
2. Run the official 360→380 database upgrade script: Execute this on your test database backup. Watch for errors like constraint conflicts or field type mismatches—fix these before moving forward.
3. Deploy your custom code: Copy your compiled custom classes/JARs into the 380 installation’s lib or classes directory, replacing any default files only if you’ve merged your changes into them.
4. Start the 380 application server: Monitor the adempiere.log file closely for startup errors (e.g., class not found, database connection issues). Fix any errors before proceeding.
5. Full functional testing: Log into the 380 system and test every critical feature—core Adempiere functions, your custom screens, modified logic, and independent modules. Simulate real user workflows to catch edge cases.

Post-Upgrade Validation #

• End-to-end business testing: Walk through key processes (order creation, invoicing, inventory management, custom workflows) to ensure everything works as expected.
• Performance checks: Monitor system response times and database query speeds—380 has performance improvements, but poorly merged custom code can slow things down.
• Final backup: Once you’ve confirmed everything works in test, take a backup of the upgraded test environment. This will be your base for the production upgrade.

内容的提问来源于stack exchange，提问作者darrshaa Dev