Hi,
I've been working with the HTML parser demo that comes with Lucene and I'm trying to understand why it's multi-threaded, and, more importantly, how to exit gracefully on errors.
I've discovered if I throw an exception in the front-end static code (main(), etc.), the JVM hangs instead of exiting. Presumably this is because there are threads hanging around doing something. But I'm not sure what!
Any pointers? I just want to exit gracefully on an error such as a required meta tag is missing or similar.
Thanks,
Fred
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