• If you are still using CentOS 7.9, it's time to convert to Alma 8 with the free centos2alma tool by Plesk or Plesk Migrator. Please let us know your experiences or concerns in this thread:
    CentOS2Alma discussion

jsp files showing a blank page

L

logan@jatol

Guest
I recently upgraded from Plesk 7.5.6 to 7.6.1 and afterwards .jsp pages were just showing "404 errors" but I was able to get it fixed to the point of now giving me a blank page w/ no errors. IIS 6.0 is passing the .jsp calls off to Apache Tomcat 5.5.4, but Tomcat acts as if it's not working correctly (thought it is always running) due to this issue.
Where should I start looking? as the error log just shows a GET for the file w/ no errors.

Thanks in advance!
 
When I look at my stdout.log file I see the following, could this be why and if so any input:

Aug 15, 2006 1:23:03 AM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Aug 15, 2006 1:23:03 AM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-9080
Aug 15, 2006 1:23:03 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 843 ms
Aug 15, 2006 1:23:03 AM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Aug 15, 2006 1:23:03 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/5.5.4
Aug 15, 2006 1:23:03 AM org.apache.catalina.core.StandardHost start
INFO: XML validation disabled
Aug 15, 2006 1:23:03 AM org.apache.catalina.core.ApplicationContext log
INFO: Marking servlet ssi as unavailable
Aug 15, 2006 1:23:03 AM org.apache.catalina.core.ApplicationContext log
SEVERE: Error loading WebappClassLoader
delegate: false
repositories:
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@12a54f9
org.apache.catalina.ssi.SSIServlet
java.lang.ClassNotFoundException: org.apache.catalina.ssi.SSIServlet
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:988)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:886)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3817)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4079)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:755)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:590)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:535)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:470)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1079)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1011)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1003)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:437)
at org.apache.catalina.core.StandardService.start(StandardService.java:450)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2010)
at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Aug 15, 2006 1:23:03 AM org.apache.catalina.core.ApplicationContext log
SEVERE: Servlet /manager threw load() exception
javax.servlet.ServletException: Wrapper cannot find servlet class org.apache.catalina.ssi.SSIServlet or a class it depends on
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:998)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:886)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3817)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4079)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:755)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:590)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:535)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:470)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1079)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1011)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1003)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:437)
at org.apache.catalina.core.StandardService.start(StandardService.java:450)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2010)
at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Aug 15, 2006 1:23:03 AM org.apache.catalina.core.ApplicationContext log
INFO: Marking servlet cgi as unavailable
Aug 15, 2006 1:23:03 AM org.apache.catalina.core.ApplicationContext log
SEVERE: Error loading WebappClassLoader
delegate: false
repositories:
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@12a54f9
org.apache.catalina.servlets.CGIServlet
java.lang.ClassNotFoundException: org.apache.catalina.servlets.CGIServlet
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:988)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:886)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3817)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4079)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:755)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:590)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:535)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:470)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1079)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1011)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1003)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:437)
at org.apache.catalina.core.StandardService.start(StandardService.java:450)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2010)
at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)


If you want the entire thing please download and look at the .txt :)
 
I've given this up as Plesk doesn't offical support running .JSP files outside of a .WAR package. So I am guessing I could "hack" this to work in 7.5.6 because of some odd bug in Plesk, but with 7.6.1 I am guessing they blocked that "hack" of mine, but w/o knowing more of the inner workings of Plesk I can't say for sure, though I no longer am looking for help on this subject :)
 
I'm running Plesk 7.5.1 still and need to get .jsp pages running outside of a .war.
Can you send me some information on how you hacked plesk before to get it working?


Thanks


Harmeet
 
Back
Top