Eclipse: Referencing log4j.dtd in log4j.xml

Question

I\'ve been using log4j for quite a while now and I usually use this at the top of the log4j.xml (probably just like many others and according to Google this is the

Answer 1

@Jack Leow uses a good approach with the PUBLIC ID. Yet, as he points out, it requires a network connection.

I prefer a combination:

Entry element:      Public
Location:           org\apache\log4j\xml\log4j.dtd in jar file C:\Development\lib\external\apache-log4j-1.2.17\log4j-1.2.17.jar
URI:                jar:file:/C:/Development/lib/external/apache-log4j-1.2.17/log4j-1.2.17.jar!/org/apache/log4j/xml/log4j.dtd
Key type:           Public ID
Key:                -//APACHE//DTD LOG4J 1.2//EN

This references a local JAR, and supports a DOCTYPE declaration without the full URL.