Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Oracle Community by 843834, 1 year ago
Attribute prefixes must be declared.
via coderanch.com by Unknown author, 1 year ago
via Stack Overflow by user1655510
, 2 years ago
Attribute prefixes must be declared.
nu.xom.NamespaceConflictException: Attribute prefixes must be declared.	at nu.xom.Attribute._setNamespace(Attribute.java:516)	at nu.xom.Attribute.(Attribute.java:168)	at nu.xom.Attribute.(Attribute.java:70)