for me it is taking more than that. I have deployed a simple war file. It took so long to deploy it.
omcat-8.0.15\webapps\ROOT has finished in 240 ms 15-Dec-2014 19:08:32.348 INFO [main] org.apache.coyote.AbstractProtocol.start St arting ProtocolHandler ["http-nio-8080"] 15-Dec-2014 19:08:32.357 INFO [main] org.apache.coyote.AbstractProtocol.start St arting ProtocolHandler ["ajp-nio-8009"] 15-Dec-2014 19:08:32.360 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 336069 ms *Thanks and Regards,* Muralidhar Yaragalla. *http://yaragalla.blogspot.in/ <http://yaragalla.blogspot.in/>* On Mon, Dec 15, 2014 at 7:03 PM, gch...@gmx.de <gch...@gmx.de> wrote: > > > > Hi, > > we used to deploy our webapp in a tomcat 6.0.35 and want to upgrade to > tomcat 8.0.9. > During testing we discovered, that the startup process of tomcat 8 is > twice as long as the startup process of tomcat 6 (with the same single > webapp deployed) > > My test system is as follows: > Windows 7, JRE 1.7.0, Tomcat 6.0.35/8.0.9 > > Inspection of the log files revealed, that the additional time is used for > class loading: > > Log of tomcat 6: > ... > Nov 28, 2014 5:07:59 PM org.apache.tomcat.util.digester.Digester > endDocument > Fein: endDocument() > Nov 28, 2014 5:07:59 PM org.apache.catalina.loader.WebappClassLoader > loadClass > Fein: loadClass(org.springframework.web.util.Log4jConfigListener, false) > ... > Fein: Parent class loader is: WebappClassLoader > context: > delegate: false > repositories: > ----------> Parent Classloader: > org.apache.catalina.loader.StandardClassLoader@189ff97 > Nov 28, 2014 5:08:08 PM org.apache.jasper.compiler.JspRuntimeContext > initClassPath > Fein: Compilation classpath initialized: ... > Nov 28, 2014 5:08:08 PM org.apache.jasper.servlet.JspServlet init > Fein: Scratch dir for the JSP engine is: ... > Nov 28, 2014 5:08:08 PM org.apache.jasper.servlet.JspServlet init > Fein: IMPORTANT: Do not modify the generated servlets > Nov 28, 2014 5:08:08 PM org.apache.catalina.core.StandardContext start > Fein: Starting completed > ... > Nov 28, 2014 5:08:09 PM org.apache.catalina.startup.Catalina start > Information: Server startup in 10861 ms > > Log of tomcat 8: > ... > 28-Nov-2014 16:09:09.128 FINER [localhost-startStop-1] > org.apache.tomcat.util.scan.StandardJarScanner.scan Not scanning JAR > [file:/C:/Program%20Files/tomcat%208/tolina_webserver-3.0.0-SNAPSHOT-20141103-130423/bin/tomcat-juli.jar] > from classpath > 28-Nov-2014 16:09:09.128 FINE [localhost-startStop-1] > org.apache.catalina.loader.WebappClassLoader.loadClass > loadClass(org.apache.jasper.servlet.JasperInitializer, false) > 28-Nov-2014 16:09:09.128 FINE [localhost-startStop-1] > org.apache.catalina.loader.WebappClassLoader.loadClass Delegating to parent > classloader1 java.net.URLClassLoader@1c47dd5 > 28-Nov-2014 16:09:09.128 FINE [localhost-startStop-1] > org.apache.catalina.loader.WebappClassLoader.loadClass Loading class from > parent > ... > 28-Nov-2014 16:09:28.362 FINE [localhost-startStop-1] > org.apache.jasper.compiler.JspRuntimeContext.<init> Parent class loader is: > WebappClassLoader > context: /manager > delegate: false > ----------> Parent Classloader: > java.net.URLClassLoader@1c47dd5 > 28-Nov-2014 16:09:28.362 FINE [localhost-startStop-1] > org.apache.jasper.compiler.JspRuntimeContext.initClassPath Compilation > classpath initialized: ... > 28-Nov-2014 16:09:28.362 FINE [localhost-startStop-1] > org.apache.jasper.servlet.JspServlet.init Scratch dir for the JSP engine > is: ... > 28-Nov-2014 16:09:28.362 FINE [localhost-startStop-1] > org.apache.jasper.servlet.JspServlet.init IMPORTANT: Do not modify the > generated servlets > 28-Nov-2014 16:09:28.362 FINE [localhost-startStop-1] > org.apache.tomcat.util.modeler.Registry.registerComponent Managed= > Catalina:type=JspMonitor,WebModule=//localhost/manager,name=jsp,J2EEApplication=none,J2EEServer=none > 28-Nov-2014 16:09:28.362 FINE [localhost-startStop-1] > org.apache.tomcat.util.modeler.BaseModelMBean.preRegister preRegister > org.apache.jasper.servlet.JspServlet@1067d4c > Catalina:type=JspMonitor,WebModule=//localhost/manager,name=jsp,J2EEApplication=none,J2EEServer=none > 28-Nov-2014 16:09:28.362 FINE [localhost-startStop-1] > org.apache.catalina.core.StandardContext.startInternal Starting completed > 28-Nov-2014 16:09:28.362 FINE [localhost-startStop-1] > org.apache.catalina.util.LifecycleBase.setStateInternal Setting state for > [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/manager]] > to [STARTING] > 28-Nov-2014 16:09:28.362 FINE [localhost-startStop-1] > org.apache.catalina.util.LifecycleBase.setStateInternal Setting state for > [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/manager]] > to [STARTED] > ... > 28-Nov-2014 16:09:28.377 FINE [main] > org.apache.catalina.util.LifecycleBase.setStateInternal Setting state for > [StandardServer[8005]] to [STARTED] > 28-Nov-2014 16:09:28.377 INFO [main] > org.apache.catalina.startup.Catalina.start Server startup in 21443 ms > > Searching the web and the mail archives resulted in quite a few hints how > to improve performance generally. > I followed the instructions on wiki.apache.org/tomcat/HowTo/FasterStartUp, > in particular: > - Disabling JAR scanning (metadata-complete="true", <absolute-ordering/> > in the <web-app>. > - in catalina.properties: > tomcat.util.scan.StandardJarScanFilter.jarsToSkip=\*.jar > org.apache.catalina.startup.ContextConfig.jarsToSkip=\*.jar > org.apache.catalina.startup.TldConfig.jarsToSkip=\*.jar > - Removing the web socket API and implementation JARs > - Changing the entropy source (-Djava.security.egd=file:/dev/./urandom) > > These changes were in effect when the above logs were written. While these > changes resulted in a faster startup process (on both tomcats), I found no > clue about why tomcat 8 takes longer in general to complete server startup. > > I compared the jars loaded in both cases and tried to remove the two > additional jars in tomcat 8. > I compared the configurations of both tomcats and aligned the registered > listeners and disabled XMLValidation and XMLNameSpaceAware in server.xml. I > reduced the bigger MIME-Mapping in web.xml of tomcat 8 > to the MIME-Mapping of tomcat 6. > I compared the number of classes and ressources loaded and the number of > ClassNotFound- or RessourceNotFound-Messages in the log files. > > None of these actions resulted in new insights to the problem. > > Any advice on this subject or any hint to additional ressources that could > help would be appreciated very much. > > Best regards, > Gero > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >
