--
I was unable to solved this problems after reading through the FAQ
and tips.
I am using Apache 1.3.6, JServ Final 1.0, jdk1.1.6 and JSDK2.0
(y2k). The platform is Solaris 2.5.1.
I'm trying to load-balancing using two/more JServs (running on the
same host as the apache web server).
My configuration files are as follows:
ApJServMount /example balance://set1/example
ApJServMount /WATER/servlets balance://set1/WATER
ApJServBalance set1 PII450-1
ApJServBalance set1 PII450-2
# same platform, 2 JServs
ApJServHost PII450-1 ajpv11://tango:8807
ApJServHost PII450-2 ajpv11://tango:8808
ApJServRoute sun1 PII450-1
ApJServRoute sun2 PII450-2
I always encountered the following problems:
*********** jserv.logs *************
[30/06/1999 11:37:47:343] (EMERGENCY) ajp11: cannot scan
servlet headers
[30/06/1999 11:37:47:344] (ERROR) an error returned handling
request via protocol "ajpv11"
[30/06/1999 11:37:47:344] (INFO) balance: virtual host not found
or not running
[30/06/1999 11:37:47:344] (ERROR) an error returned handling
request via protocol "balance "
*********** error.log ********
[Wed Jun 30 11:37:47 1999] [error] [client 10.3.11.18] Premature
end of script
headers: /example/Hello
[Wed Jun 30 11:37:47 1999] [error] [client 10.3.11.18] Premature
end of script
headers: /example/Hello
I have no problems running in automatic mode (non-load
balancing)
Does anyone have a completed set of config files for load-
balancing of 1 host and n Jservs, running on the same host?
Thank you for your help.
Regards,
Yoke
PS:
I have cut out the httpd.conf, jserv.conf and jserv.properties files
as below:
############# httpd.conf ###############
#######################################
## httpd.conf -- Apache HTTP server configuration file #
########################################
...... the following is added to httpd.conf
# Begin jserv directives
# **************************************************************
# include jserv conf file
<IfModule mod_jserv.c>
Include /usr3/local/apache136/jconf/jserv.conf
# Include /usr3/local/src/ApacheJServ-1.0/example/jserv.conf
</IfModule>
######### jserv.conf ####################
################################
# Apache JServ Configuration File
#
#################################
LoadModule jserv_module libexec/mod_jserv.so
ApJServManual on
ApJServProperties /usr3/local/apache136/jconf/jserv.properties
ApJServLogFile /usr3/local/apache136/logs/jserv.log
ApJServDefaultProtocol ajpv11
ApJServDefaultPort 8807
# Passes parameter and value to specified protocol.
ApJServSecretKey DISABLED
ApJServMount /example balance://set1/example
ApJServMount /WATER/servlets balance://set1/WATER
ApJServBalance set1 PII450-1
ApJServBalance set1 PII450-2
# same pc, 2 JServs
ApJServHost PII450-1 ajpv11://tango:8807
ApJServHost PII450-2 ajpv11://tango:8808
ApJServRoute sun1 PII450-1
ApJServRoute sun2 PII450-2
ApJServMountCopy on
# Executes a servlet passing filename with proper extension in
PATH_TRANSLATED
<Location /jserv/>
SetHandler jserv-status
order deny,allow
deny from all
allow from all
</Location>
########## jserv.properties ############
###################################
# Apache JServ Configuration File #
###################################
# Execution parameters
#######################
wrapper.bin=/usr3/local/java/bin/java
wrapper.class=org.apache.jserv.JServ
wrapper.path=/database/app/oracle/product/8.0.5/bin
wrapper.path=/database/app/oracle/product/8.0.5/lib
wrapper.classpath=/usr3/local/jserv1.0/lib/ApacheJServ.jar
wrapper.classpath=/usr3/local/JSDK2.0/lib/jsdk.jar
wrapper.classpath=/database/app/oracle/product/8.0.5/jdbc/lib/clas
ses111.zip
wrapper.classpath=/usr3/local/java/lib/classes.zip
wrapper.classpath=/usr3/web/wClasses/jweb.jar
wrapper.classpath=/usr3/web/wClasses/activation.jar
wrapper.classpath=/usr3/web/wClasses/mail.jar
wrapper.env=LD_LIBRARY_PATH=/database/app/oracle/product/8.
0.5/lib:.
wrapper.env=ORACLE_HOME=/database/app/oracle/product/8.0.5
# General parameters
######################
port=8807
# Servlet Zones parameters
###########################
zones=example,WATER
example.properties=/usr3/local/src/ApacheJServ-
1.0/example/example.properties
example.properties=/usr3/local/apache136/jconf/example.propertie
WATER.properties=/usr3/local/apache136/jconf/WATER.properties
# Security parameters
#####################
security.maxConnections=50
security.allowedAddresses=127.0.0.1
security.authentication=false
security.challengeSize=5
# Logging parameters
####################
log=false
log.file=jserv.log
log.timestamp=true
log.dateFormat=[dd/MM/yyyy HH:mm:ss:SSS zz]
log.channel.servletLog=true
log.channel.init=true
log.channel.terminate=true
log.channel.serviceRequest=true
log.channel.authentication=true
log.channel.requestData=true
log.channel.responseHeaders=true
log.channel.signal=true
log.channel.exceptionTracing=true
log.channel.servletManager=true
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