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Asked: 2026-05-10T22:13:14+00:00

The top of my web.xml file looks like this: <?xml version=1.0 encoding=UTF-8?> <web-app xmlns=http://java.sun.com/xml/ns/j2ee

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The top of my web.xml file looks like this:

<?xml version='1.0' encoding='UTF-8'?> <web-app xmlns='http://java.sun.com/xml/ns/j2ee'     xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'     xsi:schemaLocation='http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_5.xsd'     version='2.5'>

But I still get the warning from Eclipse (Ganymede) that no XML schema is detected, and schema violations are not being warned about. Other XML files in my project (Spring Framework configuration files for example) don’t have the warning and do give correct warnings about schema violations.

How do I get the schema checking working and hopefully the warning to go away? The server does run correctly. It just appears to be an IDE issue.

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1 Answer

  1. Perhaps try:

    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd

    Instead of:

    http://java.sun.com/xml/ns/j2ee/web-app_2_5.xsd

    Also, the <!DOCTYPE ...> is missing:

    <?xml version='1.0' encoding='UTF-8'?> <!DOCTYPE xml> <web-app   xmlns='http://java.sun.com/xml/ns/j2ee'    xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'    xsi:schemaLocation='http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd'   version='2.5'>   <!-- ... --> </web-app>
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