Openfire CallbackOnOffline插件已触发请求但Web服务器未接收问题求助

Let’s break down how to fix your CallbackOnOffline plugin issue step by step—since you’ve already confirmed the basics (the plugin detects offline messages, and your OpenFire server can reach the web service directly), we can focus on the trickier edge cases:

1. Double-Check the Plugin’s Target URL Configuration #

The log shows the plugin is targeting http://web.XX.kz, but most web services require a specific endpoint path (like /api/offline-callback) to handle callbacks. If you only configured the base domain, the plugin might be sending requests to your web server’s root, which probably isn’t set up to accept these POST callbacks.

• Go back to the plugin’s settings and ensure you’ve entered the full, complete endpoint URL (including the path).
• Also confirm your web server’s endpoint accepts POST requests (not just GET) and is configured to handle the content type the plugin sends (usually JSON or form data).

2. Enable Verbose Logging to Catch Hidden Errors #

The current logs only tell you the plugin tried to send a request—they don’t show if it hit an error (like a 404, connection timeout, or SSL issue).

• Adjust the plugin’s logging settings to enable debug-level output. Look for logs that show:
  • Exact request headers and body sent
  • HTTP response codes from your web server
  • Any exceptions thrown during the request
• This will reveal whether the request is failing mid-flight or being rejected by your web server.

3. Check for Context Differences Between Manual Tests and the Plugin #

Just because you can reach the web service from the OpenFire server via curl/wget doesn’t mean the plugin can—they might be running under different contexts:

• The OpenFire process runs as a dedicated user (often openfire or nobody). Verify this user has the same network permissions as the account you used for your manual test.
• Local firewalls sometimes block outbound traffic from Java processes specifically. Check if your firewall has rules that might be blocking the plugin’s requests.
• If your web server uses HTTPS, make sure the OpenFire JVM’s truststore includes your web service’s SSL certificate. Java won’t trust self-signed or untrusted certs by default.

4. Replicate the Plugin’s Request Manually #

To rule out issues with the plugin’s request format, mimic exactly what it should send using a tool like curl or Postman:

• For example, if the plugin sends a JSON payload with message details, run:

  curl -X POST http://web.XX.kz/your-endpoint-path \
  -H "Content-Type: application/json" \
  -d '{"from": "cm2@jabber2.XX.kz", "to": "cm1@jabber2.XX.kz", "recipientAvailable": false}'
  

• If this request reaches your web server, the problem is likely in how the plugin is constructing the request. If it doesn’t, you’ve got a network or endpoint configuration issue to fix.

5. Confirm Plugin-OpenFire Compatibility #

Outdated plugins can have bugs with newer OpenFire versions, especially around message interception or network handling.

• Check the CallbackOnOffline plugin’s release notes to ensure it’s compatible with your exact OpenFire version.
• If there’s a newer version of the plugin, try updating it—this might resolve known request delivery bugs.

内容的提问来源于stack exchange，提问作者CoolMan