Hi.
Just wondering if anyone can guide me as to how I can write a Java based
TagLibrary and have it loadable from a plugin (without setting
pluginFirstClassLoader=true). When I try it I get a classloader exception
that makes total sense to me, but I'm wondering if there's some trick or
different impl that works around it.
Example... a Simple TagLibrary impl like this...
public class IconsTaglib extends TagLibrary {
public IconsTaglib() {
// Register some tags...
registerTag("*myFunkyTag*", MyFunkyTag.class);
}
}
This class is located in the plugin i.e. not in Jenkins core with other
taglibs.
Then in a .jelly tag script (also in the plugin, but for which there are no
cloassloading issues) we use the *myFunkyTag *tag that was implemented in
Java e.g.
<myf:myFunkyTag xmlns:myf="jelly:org.jenkins.x.y.MyFunkyTag" />
The above causes a ClassLoading exception because Jelly's XMLParser class
(code located in Jenkins - not in the plugin) tries to load the MyFunkyTag
class with the wrong classloader (XMLParser line #1024). What looks like
would work (in this specific case at least) is if XMLParser tried using the
JellyContext ClassLoader instead, but of course that might cause other
issues.
BTW I tried with the MyFunkyTag impl located in Jenkins core and everything
works fine as expected.
Any suggestions? I'm wondering maybe this is not an issue if I implement
the Tag in Groovy instead, but would like to know if doing it in Java is
not going to work first.
Thanks,
Tom.
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