Exception message when componentClassName is unknown should be clearer
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Key: TAP5-784
URL: https://issues.apache.org/jira/browse/TAP5-784
Project: Tapestry 5
Issue Type: Improvement
Affects Versions: 5.1.0.5
Reporter: Robert Zeigler
Priority: Minor
If you do something like:
<input t:id="myfield" .../>
And you forget to specify the type in the template, and you don't specify the
type via @Component in the containing page/component class, you get an
exception:
Failure creating embedded component 'xxx' of <pagename>:
java.lang.NullPointerException
with a stack trace pointing down somewhere in the class loader. Basically,
PageLoaderImpl.startComponent assumes that either embeddedModel is not null, or
token.getType() is not null, without ever checking that assumption.
Tapestry should check the assumption and throw an exception if it is violated.
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