Hi all...
I've been performance testing for few days.While doing load testing with
50 users, I'm also trying to access the application through Browser but
sometimes pages are not loading for long time.While seeing the logs I'm
getting the following lines in mod_jk.log....
[Thu Feb 25 17:09:31 2010][4180:2508] [info] jk_ajp_common.c (1788): Writing
to client aborted or client network problems
[Thu Feb 25 17:09:31 2010][4180:2508] [info] jk_ajp_common.c (2447):
(worker1) sending request to tomcat failed (unrecoverable), because of
client write error (attempt=1)
[Thu Feb 25 17:09:31 2010]worker1 216.205.107.50 48.484375
[Thu Feb 25 17:09:31 2010][4180:2508] [info] mod_jk.c (2608): Aborting
connection for worker=worker1
These are my apache2.2 & tomcat6.0.18 configurations...
workers.properties:
workers.tomcat_home=D:/tomcat6.0.18
workers.java_home=C:/Program Files/Java/jdk1.6.0_16
ps=/
worker.list=worker1
worker.worker1.type=ajp13
worker.worker1.host=xxxxxxxxxxxx
worker.worker1.port=8009
worker.worker1.connection_pool_timeout=600
worker.worker1.connect_timeout=60000
worker.worker1.prepost_timeout=60000
worker.worker1.socket_keepalive=1
worker.worker1.socket_timeout=60
worker.worker1.lbfactor=1
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers= worker1
worker.inprocess.type=jni
server.xml
<Server port="8006" shutdown="SHUTDOWN">
<Listener className="org.apache.catalina.core.AprLifecycleListener"
SSLEngine="on" />
<Listener className="org.apache.catalina.core.JasperListener" />
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"
/>
<Listener
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
<GlobalNamingResources>
<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
pathname="conf/tomcat-users.xml" />
</GlobalNamingResources>
<Service name="Catalina">
<Connector debug="0" enableLookups="false" port="8009"
protocol="AJP/1.3"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
acceptCount="100"
minProcessors="5" maxProcessors="100" connectionTimeout="60000"
disableUploadTimeout="true" redirectPort="8443"/>
<Engine name="Catalina" defaultHost="xxxxxxxxxxxx" debug="0" >
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>
<Host name="xxxxxxxxxxxx" appBase="gateway"
unpackWARs="true" autoDeploy="true"
xmlValidation="false" xmlNamespaceAware="false">
<Listener className =
"org.apache.jk.config.ApacheConfig" workersConfig="conf/workers.properties"
modJk="D:/Apache2.2/modules/mod_jk.so" jkLog="logs/mod_jk.log"
jkDebug="info" noRoot="false"/>
</Host>
</Engine>
</Service>
</Server>
context.xml
<?xml version='1.0' encoding='utf-8'?>
<Context>
<WatchedResource>WEB-INF/web.xml</WatchedResource>
<Resource name="jdbc/vehrentDB" auth="Container"
type="javax.sql.DataSource"
maxActive="50"
maxIdle="10"
minIdle="30"
username="xxxxxxxxxxxx" password="xxxxxxxxxxxx"
driverClassName="com.microsoft.sqlserver.jdbc.SQLServerDriver"
url="jdbc:sqlserver://xxxxxxxxxxxx:1433;
databaseName=xxxxxxxxxxxx;user=xxxxxxxxxxxx;password=xxxxxxxxxxxx;"
numTestsPerEvictionRun="15"
timeBetweenEvictionRunsMillis="900000"
minEvictableIdleTimeMillis="900000"
testWhileIdle="true"
testOnBorrow="false"
removeAbandoned="true"
removeAbandonedTimeout="300"
logAbandoned="true"
/>
<Resource name="jdbc/empowerDB" auth="Container"
type="javax.sql.DataSource"
maxActive="8"
maxIdle="4"
minIdle="2"
username="xxxxxxxxxxxx" password="xxxxxxxxxxxx"
driverClassName="com.microsoft.sqlserver.jdbc.SQLServerDriver"
url="jdbc:sqlserver://xxxxxxxxxxxx:1433;databaseName=xxxxxxxxxxxx;user=xxxxxxxxxxxx;password=xxxxxxxxxxxx;"
numTestsPerEvictionRun="15"
timeBetweenEvictionRunsMillis="900000"
minEvictableIdleTimeMillis="900000"
testWhileIdle="true"
testOnBorrow="false"
removeAbandoned="true"
removeAbandonedTimeout="300"
logAbandoned="true"
/>
</Context>
httpd-vhosts.conf
NameVirtualHost *:80
<VirtualHost *:80>
ServerAdmin xxxxxxxxxx
DocumentRoot "D:/Apache2.2/htdocs/gateway"
ServerName xxxxxxxxxx
ServerAlias xxxxxxxxxx
ErrorLog "logs/gateway-error.log"
CustomLog "logs/gateway-access.log" common
JkMount /* worker1
JkUnMount /*js/*.js worker1
JkUnMount /*.jpeg worker1
JkUnMount /*.png worker1
JkUnMount /*.gif worker1
JkUnMount /*.html worker1
JkUnMount /*.jpg worker1
JkUnMount /*.css worker1
JkUnMount /*.swf worker1
</VirtualHost>
Due to this issue i'm not able to proceed further.Is there problem
with the configuration or where things are going wrong.
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