It seems there is a minor problem with the changes that were made to
configure bootstrap in Tapestry 5.5. The addCoreStylesheets method in
JavaScriptModule is being called multiple times which has the untended
side effect of attempting to load the Tapestry core style sheets
multiple times. Somehow we did not spot this in the logs while testing
the release candidate.
Since this appears to be a purely cosmetic issue, we have simply
suppressed the warnings for now. I was contemplating submitting a pull
request, but thought that Thiago might want to refactor the code
himself. Please let me know if that is not the case and I would be happy
to create a pull request.
Here are the log messages we are seeing in our spring boot logs:
2020-03-18 22:19:53.766 WARN 2316 --- [tp1817659355-19]
o.a.t.m.J.CoreJavaScriptStack : Could not add object with
duplicate id 'tapestry.css'. The duplicate object has been ignored.
2020-03-18 22:19:53.766 WARN 2316 --- [tp1817659355-19]
o.a.t.m.J.CoreJavaScriptStack : Could not add object with
duplicate id 'exception-frame.css'. The duplicate object has been ignored.
2020-03-18 22:19:53.766 WARN 2316 --- [tp1817659355-19]
o.a.t.m.J.CoreJavaScriptStack : Could not add object with
duplicate id 'tapestry-console.css'. The duplicate object has been ignored.
2020-03-18 22:19:53.766 WARN 2316 --- [tp1817659355-19]
o.a.t.m.J.CoreJavaScriptStack : Could not add object with
duplicate id 'tree.css'. The duplicate object has been ignored.
2020-03-18 22:19:53.766 WARN 2316 --- [tp1817659355-19]
o.a.t.m.J.CoreJavaScriptStack : Could not add object with
duplicate id 'tapestry.css'. The duplicate object has been ignored.
2020-03-18 22:19:53.766 WARN 2316 --- [tp1817659355-19]
o.a.t.m.J.CoreJavaScriptStack : Could not add object with
duplicate id 'exception-frame.css'. The duplicate object has been ignored.
2020-03-18 22:19:53.766 WARN 2316 --- [tp1817659355-19]
o.a.t.m.J.CoreJavaScriptStack : Could not add object with
duplicate id 'tapestry-console.css'. The duplicate object has been ignored.
2020-03-18 22:19:53.766 WARN 2316 --- [tp1817659355-19]
o.a.t.m.J.CoreJavaScriptStack : Could not add object with
duplicate id 'tree.css'. The duplicate object has been ignored.
Here is the log level change we made to suppress the warnings for now.
logging.level.org.apache.tapestry5.modules.JavaScriptModule.CoreJavaScriptStack=ERROR
Regards,
David
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