Error: The processing instruction target matching “[xX][mM][lL]” is not allowed

Question

This error,

The processing instruction target matching \"[xX][mM][lL]\" is not allowed

occurs whenever I run an XSLT page that b

Answer 1

Another reason of the above error is corrupted jar file. I got the same error but for Junit when running unit tests. Removing jar and downloading it again fix the issue.