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Make sure you save changes; then click the refresh link in the web browser:
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If Live Class Reloading isn't working for you, check the Troubleshooting section at [Class Reloading].
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But ... what if you make a mistake? What if you got the name in the template wrong. Give it a try; in the template, change ${currentTime} to, say, ${currenTime}, and see what you get:
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This is Tapestry's exception report page. It's quite detailed. It clearly identifies what Tapestry was doing, and relates the problem to a specific line in the template, which is shown in context. Tapestry always expands out the entire stack of exceptions, because it is so common for exceptions to be thrown, caught, and re-thrown inside other exceptions. In fact, if we scroll down just a little bit, we see more detail about this exception, plus a little bit of help:
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This is part of Tapestry's way: it not only spells out exactly what it was doing and what went wrong, but it even helps you find a solution; here it tells you the names of properties you could have used.
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Exploring the Project 