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pluginshawtio

Hawtio simple plugin example - tab is not visible

I am trying to develop a custom hawtio plugin. I have custom WAR deployed in Tomcat based on hawtio-default 1.4.37. It works correctly

I built simple-plugin.war following https://github.com/hawtio/hawtio/tree/master/hawtio-plugin-examples/simple-plugin instruction (no changes are done) and deployed it in the same Tomcat.

There are no errors, all logs are clean, I can see simple-plugin as plugin of hawtio in JMX bean, however no new tab is visible (although as I guess from .js code "Simple" tab should appear)

Any idea? Is it something to do with perspectives?

Edit:

Just checked the browser console and seen 404 error

GET http://localhost:8080/myhawtio/plugin/ 404 (Not Found)

It seems that my custom WAR is not correctly reconfigured

Edit 2:

Downloaded and deployed clean hawtio-default-1.4.37.war - simple-plugin works, "Simple" tab is visible

Downloaded and deployed clean sample-1.4.37.war - simple-plugin does not work, tab is not visible and get 404 error

GET http://localhost:8080/sample-1.4.37/plugin 404 (Not Found)
Solution

  • If you're getting a 404 for /hawtio/plugin then you're missing the PluginServlet from your war, or at least it isn't running -> https://github.com/hawtio/hawtio/blob/master/hawtio-system/src/main/java/io/hawt/web/PluginServlet.java

    This servlet is how the frontend discovers any additional plugins to load. I'd suggest comparing your web.xml with the one from hawtio-web and make sure this class is getting loaded.