When 404′s kill!
This morning, when starting my JBoss AS 5.1, I was greated by the following message: Failed to read schema document ‘http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd’, because 1) could not find the document; 2) the document could not be read; 3) the root element of the document is not <xsd:schema>. Well, that sucked! I havn’t come up with any workaround, [...]