Hi Volker, Am Mittwoch, den 27.07.2011, 13:08 +0200 schrieb Volker: > Hallo Felix, > > I considered all tips you gave. Thanks again. > > Like mentioned before my configuration was running correctly but I could > not notice that because the http tunneling does need much more time > (first request of the httptunnelingdc-Servlet (I check this out in > Apache?s log-file) than my former configuration with tomcat. are you still using the invoker servlet, or are you using httptunnelingdc-Servlet with a url-path?
> > Now I wonder how I can tune something (Simultaneously I will install > tomcat 7.x) because I do not know if the slow-performance-problem > depends on tomcat settings or maybe on the Diablo-Java-Settings? I would bet, that the app is causing the delay. > > The combination with tomcat 3.3, apj12, mod_jk, Diablo JRE 1.5 and > apache 1.3 results in opening the chat window via http tunneling in *a > few seconds* if you blocked all ports except port 80 before for Java > (Browser). > With tomcat 4.1 the same procedure needs nearly 3 minutes. > > Any idea? Look at http://wiki.apache.org/tomcat/FAQ/Troubleshooting_and_Diagnostics and find the troublemaker :) Common advise is to take a few threadtraces a few seconds apart. Then find stacktraces which apear to be stuck. Maybe it just tries to do a dns lookup or connect to some host until it times out. Regards Felix > > Thanks and best regards > > V o l k e r > > > Am 26.07.2011 19:54, schrieb Felix Schumacher: > > Hi Volker, > > > > Am Dienstag, den 26.07.2011, 16:29 +0200 schrieb Volker: > >> Hello, > >> > >> my current system configuration is like following: > >> > >> - FreeBSD 8.2 > >> - apache-2.2.17_2 > >> - mod_jk-ap2-1.2.31_1 Apache2 JK > >> - tomcat 4.1.36_2 > > As you said elsewhere in this thread, that you are willing to upgrade to > > a newer tomcat as well, I will assume, that you will use tomcat 6 or > > even tomcat 7. > >> - diablo-jdk1.6.0 > >> > >> In order to provide a http tunneling for a chat server I have been > >> using*tomcat 3.3*, FreeBSD 5.4, Apache 1.3, mod_jk (ajp12 Connector) and > >> diablo-jre1.5.0 in combination with a certain http tunneling servlet > >> *without any problems* for several years. > >> That http tunneling servlet is passed via a chat applet via "<PARAM > >> NAME='HttpServlet' > >> VALUE='http://test.Domain.com/servlet/*HttpTunnelingServletdc*'> > >> The configuration for that system above _*can be found below*_ *=> > >> Configuration for tomcat 3.3 > > That looks like you are using the strongly discouraged dispatcher > > servlet. That is still available, but disabled by default. And you > > should leave it that way. > > ... > >> Thanks a lot and best regards > >> > >> Volker > >> * > >> ============================================================================ > >> NOT WORKING > >> Configuration for Tomcat 4.1.36 (FreeBSD 8.2, Apache 2.2.17, > >> mod_jk-ap2-1.2.31, Diablo JDK 1.6) > >> **============================================================================ > >> > >> The servlet classes result in: > >> */usr/local/apache-tomcat4.1/webapps/ROOT/WEB-INF/classes* > >> */usr/local/apache-tomcat4.1/webapps/ROOT/WEB-INF/classes*/*com/....* > >> */usr/local/apache-tomcat4.1/webapps/ROOT/WEB-INF/classes/digi/... > > I read that as: There are some files and directories under > > WEB-INF/classes in your ROOT webapp and that /usr/local/apache-tomcat4.1 > > is your CATALINA_BASE and probably CATALINA_HOME too. > >> ... > >> * > >> httpd.conf > >> *JkWorkersFile "/usr/local/etc/apache22/workers.properties" > >> JkLogFile "/usr/local/apache-tomcat4.1/logs/mod_jk.log" > >> JkShmFile /var/log/jk-runtime-status > >> JkLogLevel info > > Looks OK. > >> * > >> workers.properties > >> *workers.java_home=/usr/local/diablo-jdk1.6.0 > >> workers.tomcat_home=/usr/local/apache-tomcat4.1 > > Remove both deprecated config options java_home and tomcat_home. They > > are not needed anymore. > >> worker.list=jsp-hostname > >> worker.jsp-hostname.port=8009 > >> worker.jsp-hostname.host=127.0.0.1 > >> worker.jsp-hostname.type=ajp13 > >> worker.jsp-hostname.lbfactor=1* > >> > >> **server.xml* > > Copy the server.xml from a fresh tomcat download and replace your > > port-numbers in there. > > > >> <Service name="Tomcat-Standalone"> > > ... > > > >> <!-- Tomcat Root Context --> > >> > >> <Context path="/ROOT" docBase="ROOT" debug="0" reloadable="true" > >> crossContext="true"> > >> <Logger className="org.apache.catalina.logger.FileLogger" > >> prefix="ROOT-http-tunneling_log." suffix=".txt" timestamp="true"/> > >> </Context> > >> > >> <!-- Tomcat Examples Context --> > >> <Context path="/examples" docBase="examples" debug="1" reloadable="true" > >> crossContext="true"> > >> <Logger className="org.apache.catalina.logger.FileLogger" > >> prefix="localhost_examples_log." suffix=".txt" timestamp="true"/> > >> <Ejb name="ejb/EmplRecord" type="Entity" > >> home="com.wombat.empl.EmployeeRecordHome" > >> remote="com.wombat.empl.EmployeeRecord"/> > > Your context descriptions for ROOT and example would be placed in newly > > created files named ROOT.xml and example.xml under > > $CATALINA_BASE/conf/Catalina/localhost. But I seriously doubt, that you > > need example.xml and ROOT.xml is not needed, if all you want to achieve > > is logging. Look at http://tomcat.apache.org/tomcat-7.0-doc/logging.html > > for more info about simple logging. > >> > >> *web.xml* > >> <?xml version="1.0" encoding="ISO-8859-1"?> > >> <!DOCTYPE web-app > >> PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" > >> "http://java.sun.com/dtd/web-app_2_3.dtd";> > > You could update your webapp to a newer version by replacing the above > > values, but they should do no harm. > >> <web-app> > >> <servlet> > >> <servlet-name> > >> HttpTunnelingServletdc > >> </servlet-name> > >> <servlet-class> > >> *com.diginet.digichat.util.tunnel3.HttpTunnelingServlet* > >> </servlet-class> > >> <init-param> > >> <param-name>Host</param-name> > >> <param-value>localhost</param-value> > >> </init-param> > >> <load-on-startup>1</load-on-startup> > >> </servlet> > >> <servlet-mapping> > >> <servlet-name>invoker</servlet-name> > >> <url-pattern>/servlet/*</url-pattern> > >> </servlet-mapping> > >> <servlet-mapping> > >> <servlet-name>HttpTunnelingServletdc</servlet-name> > >> <url-pattern>/HttpTunnelingServletdc</url-pattern> > >> </servlet-mapping> > > Instead of mapping a not configured servlet named invoker to /servlet/* > > you should map your servlet named HttpTunnelingServletdc > > to /servlet/HttpTunnelingServletdc or alternatively change your applet > > configuration from top of your post. > > > > So remove > > <servlet-mapping><servlet-name>invoker</servlet-name>...</servlet-mapping> > > and change url-pattern in the<servlet-mapping> > > from /HttpTunnelingServletdc to /servlet/HttpTunnelingServletdc > >> </web-app> > >> > > ... > >> *description* _The server encountered an internal error () that > >> prevented it from fulfilling this request._ > >> > >> *exception* > >> > >> javax.servlet.ServletException > >> at > >> com.diginet.digichat.util.tunnel3.HttpTunnelingServlet.doGet([DashoPro-V1.3BETA-091199]) > >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:697) > >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) > > ... > >> at > >> org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895) > >> at > >> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685) > >> at java.lang.Thread.run(Thread.java:619) > >> > >> *root cause* > >> > >> java.lang.NullPointerException > >> at > >> com.diginet.digichat.util.tunnel3.HttpTunnelingServlet.doGet([DashoPro-V1.3BETA-091199]) > > Hopefully you have the source code for HttpTunnelingServlet since this > > line means, your servlet gets invoked, but it is not happy to work :) > > That might come from the fact, that you configured the servlet > > HttpTunnelingServletdc, but used the invoker-servlet. Chances are, that > > the proposed configuration chages in web.xml fix this. > > > > HTH > > Felix > > > >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:697) > >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) > >> at > >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199) > >> at > >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:145) > > ... > >> ------------------------------------------------------------------------ > >> > >> > >> Apache Tomcat/4.1.3 > >> > >> > >> =================================================================================== > >> *WORKING > >> Configuration for tomcat 3.3 (FreeBSD 5.4, Apache 1.3.41, Tomcat 3.3.2, > >> mod_jk 1.2.15, Diablo JRE 1.5) > >> **============================================================================* > >> * > >> SERVER.XML > >> * (jakarta-tomcat3.3/conf) > >> <Ajp12Connector port="8007" /> > >> > >> *web.xml* > >> (/jakarta-tomcat3.3/webapps/ROOT/WEB-INF) > >> <?xml version="1.0" encoding="ISO-8859-1"?> > >> > >> <!DOCTYPE web-app > >> PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" > >> "http://java.sun.com/dtd/web-app_2_3.dtd";><web-app> > >> <servlet> > >> <servlet-name> > >> HttpTunnelingServletdc > >> </servlet-name> > >> <servlet-class> > >> com.diginet.digichat.util.tunnel3.HttpTunnelingServlet > >> </servlet-class> > >> <init-param> > >> <param-name>Host</param-name> > >> <param-value>localhost</param-value> > >> </init-param> > >> <load-on-startup>1</load-on-startup> > >> </servlet> > >> <servlet-mapping> > >> <servlet-name>HttpTunnelingServlet</servlet-name> > >> <url-pattern>/HttpTunnelingServlet</url-pattern> > >> </servlet-mapping> > >> </web-app> > >> > >> *workers.properties* > >> worker.ajp12.type=ajp12 > >> worker.ajp12.port=8007 > >> worker.ajp12.host=localhost > >> worker.ajp12.lbfactor=1 > >> > >> *mod_jk.conf* > >> <IfModule !mod_jk.c> > >> LoadModule jk_module /usr/local/libexec/apache/mod_jk.so > >> </IfModule> > >> JkWorkersFile "/usr/local/jakarta-tomcat3.3/conf/jk/workers.properties" > >> JkLogFile "/usr/local/jakarta-tomcat3.3/logs/mod_jk.log" > >> JkShmFile /var/log/jk-runtime-status > >> JkLogLevel info > >> JkMount /servlet/* ajp12 > >> > >> > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
