compiled header filter on tomcat 5.5 2006-12-05 - By Ian H
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Hi all,
I've taken the jspbook.jar found on page two of this article:
http://www.onjava.com/pub/a/onjava/2004/03/03/filters.html and
implement the ResponseHeaderFilter on a test server successfully using
the following in web.xml:
<filter>
<filter-name>ResponseHeaderFilter</filter-name>
<filter-class>com.jspbook.ResponseHeaderFilter</filter-class>
<init-param>
<param-name>Testingtesting</param-name>
<param-value>123</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>ResponseHeaderFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
When I create a ResponseHeaderFilter.java file containing the source
from that article, omitting the package information, it compiles
without error, but does not work, with only
SEVERE: Error filterStart
5/12/2006 09:03:50 org.apache.catalina.core.StandardContext  start
SEVERE: Context startup failed due to previous errors
that I can see that indicates a problem, in the stdout.log [I wind up
with the same problem if I put the package info back in, recompile it,
and incorporate it into jspbook.jar...I notice that the length of the
*.class files are rather different]
What should I try in order to make my own ResponseHeaderFilter.class work?
[Once that's sorted out, it should be trivial to substitute setHeader
for addHeader, allowing me to have setHeaderFilter.class and
addHeaderFilter.class]
Thank you in advance,
Ian
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