Accessing Gerrit Resources from Plugin

[Rafael Lima]

Hi everyone,

I'm trying to use Spring JAVA library inside a Gerrit Plugin.

When I try to start the library by reading a XML file from resources with the below code:

ClassPathXmlApplicationContext context =
new ClassPathXmlApplicationContext("applicationContext.xml");

I got this error message:

class path resource [applicationContext.xml] cannot be opened because it does not exist

The same code works on a stand-alone Spring application.

Already look through the Gerrit documentation / Google looking for any specific points regarding accessing files stored /resources folder in JAR, but found nothing.

Also tried variations of the file name (with classpath prefix and etc) and the only way it worked was by reading a file from system (/data/applicationContext.xml).

Does anyone knows if it is possible to access files on /resources folder from inside a Gerrit Plugin?

PS: Have similar problem when trying to read logback XML configuration files.

Thanks in advance,

Rafael

[Matthias Sohn]

Gerrit plugins are loaded each in a separate classloader [1], maybe that's in your way ?

[1] https://gerrit-review.googlesource.com/Documentation/dev-plugins.html#classpath

 

Thanks in advance,

Rafael

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[Rafael Lima]

Hi Matthias, thanks for the quick answering.

Yes, it probably has something to do with the way Gerrit loads and handle plugin files.

I'm currently using the shade-plugin to create a package with all the dependencies.

Dependencies looks fine. I can see the Spring library being called.

Caused by: org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [applicationContext.xml]; nested exception is java.io.FileNotFoundException: class path resource [applicationContext.xml] cannot be opened because it does not exist

Also, I've read the documentation section [1] that explains what happens with documents placed on /resources/Documentation and /resources/static.

But nothing related about how to access /resource/* files.

[1] https://gerrit-documentation.storage.googleapis.com/Documentation/3.4.1/dev-plugins.html#documentation