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Select the five .jars there: dom.jar, jaxp-api.jar, sax.jar, xalan.jar, and xercesImpl.jar, and add all of these.
Ensure that these five jars appear before rt.jar in the order of jars in this JRE definition. Use the "Up" and "Down" buttons to float these jars to the top of the list if they aren't already before "rt.jar".
Click "Ok" to exit "Edit JRE" and then click "Ok" to exit "Preferences".
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