Rainer Jung wrote:
Hi Keith,
Keith Ealanta schrieb:
Can anyone advise me how to access the attributes set in an http
request using JkSetEnv?
I just tried it again, it works for me.
Specifically I'm using JkSetEnv on Apache2.0 to set a number of
attributes in the request.
I have captured the mod_jk packets (on port 8009) and they contain
the items I've set in the attributes section as req_attribute type
(code 0x0A)
When I access the ServletRequest object I cannot find this data
anywhere. I've downloaded a number of ServletRequest display filters
and none of them show the data either.
I simply retrieve any attribute via
request.getAttribute(nameOfTheAttribute)
from the ServletRequest.
Are these attributes only useful for setting specific values the
system understands, is there some other way for me to access these
values from the ServletRequest object in Tomcat, or alternately is it
possible there is some error in mod_jk or Tomcat such that the data
is never extracted (if it even should be).
It works for me. Which versions of mod_jk and Tomcat are you using?
Mod_jk: 1:1.2.18-3
Apache2: Apache/2.0.54
/opt/tomcat/bin/version.sh
Server version: Apache Tomcat/5.5.17
Server built: Apr 14 2006 02:08:29
Server number: 5.5.17.0
OS Name: Linux
OS Version: 2.6.18-4-xen-vserver-amd64
Architecture: i386
JVM Version: 1.6.0_03-b05
JVM Vendor: Sun Microsystems Inc.
How does your JK config look like (yes, I know you already wrote you
can see the attribute set in the debug log, but let's make sure)?
Extract from file /etc/apache2/conf.d/player.conf
# JK
JkEnvVar AUTH_TYPE "<UNSET>"
JkEnvVar REMOTE_USER "<UNSET>"
JkEnvVar SINA_CUSTOMER "<UNSET>"
JkEnvVar SINA_EA "<UNSET>"
JkEnvVar SINA_USER_GROUP_NAME "<UNSET>"
JkWorkersFile /etc/libapache2-mod-jk/workers.properties.mycms-scorm
JkLogFile /var/log/apache2/mod_jk.log
JkLogLevel info
JkMount /my_player* icodeon
# this is a hack to redirect this
<Location /my_player>
AuthName SINA
AuthType Basic
Auth_SINAuser on
Auth_SINAextras off
Auth_SINAexpire on
Auth_SINAproxys 1.1.1.1/255.255.255.255
ErrorDocument 401 /utils/auth/admin/
ErrorDocument 503 /utils/error/resolver/
SINA_Load_Max 100
ErrorDocument 416 /utils/load/admin/
JkMount icodeon
<Limit GET POST PUT>
order deny,allow
allow from all
require valid-user
</Limit>
</Location>
file: /etc/libapache2-mod-jk/workers.properties.mycms-scorm
# Define some properties
workers.apache_log=/var/log/tomcat
# worker.list=scorm,olat,icodeon
worker.list=icodeon
ps=/
# Set properties for worker1 (ajp13)
worker.icodeon.type=ajp13
# FIXME use host name "scorm"?
# worker.icodeon.host=scorm
worker.icodeon.host=debian
worker.icodeon.port=8009
worker.icodeon.connection_pool_size=10
worker.icodeon.connection_pool_timeout=600
worker.icodeon.socket_keepalive=1
worker.icodeon.socket_timeout=60
# worker.icodeon.mount=/my_player*
There have been no changes to that code recently. I'm using TC 5.5.26
in my test.
Hmm, I'm guessing I may need to find more recent versions (probably
back-ports)
I'm guessing I'm just looking for it in all the wrong places, so I'm
hoping someone can point me in the right direction.
How do you retrieve the env var on the Tomcat side?
public void doFilter(ServletRequest servletRequest, ServletResponse
servletResponse, FilterChain filterChain) throws IOException,
ServletException {
log.debug("\nAttributes ... begin.\n");
Enumeration attributeNames = servletRequest.getAttributeNames();
while(attributeNames.hasMoreElements()) {
String attributeName = (String) attributeNames.nextElement();
log.debug(attributeName + " " +
servletRequest.getAttribute(attributeName));
}
log.debug("\nAttributes ... end.\n");
etc.
}
Thanks for looking at this.
I'm now suspecting I need a more recent version of Tomcat.
Just in case though, your test code was run as a filter? I've been
wondering if the filter saw something different from what the servlet sees?
Regards,
Keith
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