Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems

Scott Carlson Wed, 18 Feb 2009 10:51:58 -0800

Caldarale, Charles R wrote:

From: Scott Carlson [mailto:scarl...@i2s.com]
Subject: Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems


The majority of the forums always bring up web.xml


Which is appropriate, since yours is incorrect.  Your URL pattern should be:

<url-pattern>/MsgService</url-pattern>

 - Chuck


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Hi Chuck --

That was what I had originally, it has changed often due to conflictingadvice on forums. I did change it back to test.


I undeployed my app. changed web.xml to this

------------snip
<?xml version="1.0" encoding="UTF-8"?>
<web-app>

<!-- Standard Action Servlet Configuration -->
<servlet>
  <servlet-name>MsgService</servlet-name>
  <servlet-class>com.i2s.webMonster.server.MsgServiceImpl</servlet-class>
</servlet>

<!-- Standard Action Servlet Mapping -->
<servlet-mapping>
  <servlet-name>MsgService</servlet-name>
  <url-pattern>/MsgService</url-pattern>
</servlet-mapping>

</web-app>

----------------snip

And still no luck. Here are my logs.. These are fresh.


--------- access_log ---------

127.0.0.1 - scott [18/Feb/2009:13:46:14 -0500] "GET/manager/html/undeploy?path=/webMonster HTTP/1.1" 200 9595 0.048 -127.0.0.1 - - [18/Feb/2009:13:46:14 -0500] "GET/manager/images/tomcat.gif HTTP/1.1" 304 - 0.001 -127.0.0.1 - - [18/Feb/2009:13:46:14 -0500] "GET/manager/images/asf-logo.gif HTTP/1.1" 304 - 0.003 -127.0.0.1 - scott [18/Feb/2009:13:46:21 -0500] "POST/manager/html/upload HTTP/1.1" 200 10721 0.238 -127.0.0.1 - - [18/Feb/2009:13:46:23 -0500] "GET /webMonster/ HTTP/1.1"404 988 0.001 -127.0.0.1 - - [18/Feb/2009:13:46:39 -0500] "POST /webMonster/MsgServiceHTTP/1.1" 500 2656 0.004 -127.0.0.1 - - [18/Feb/2009:13:46:44 -0500] "GET/webMonster/webMonster/MsgExample.html HTTP/1.1" 404 1066 0.003 -127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET/webMonster/MsgExample.html HTTP/1.1" 200 1304 0.001 -127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET/webMonster/com.i2s.webMonster.MsgExample.nocache.js HTTP/1.1" 200 56940.001 -127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET/webMonster/C57B680ED75187B43082D58F754F20DF.cache.html HTTP/1.1" 20044221 0.000 -127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET/webMonster/gwt/standard/standard.css HTTP/1.1" 200 28413 0.000 -127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET/webMonster/MsgExample.css HTTP/1.1" 200 5943 0.001 -127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "GET/webMonster/gwt/standard/images/hborder.png HTTP/1.1" 200 1384 0.000 -127.0.0.1 - - [18/Feb/2009:13:46:51 -0500] "POST /webMonster/MsgServiceHTTP/1.1" 404 1057 0.001 -


-------------- snip


----------- catalina logs ---------
Feb 18, 2009 1:46:07 PM org.apache.catalina.core.AprLifecycleListener init

INFO: The APR based Apache Tomcat Native library which allows optimalperformance in production environments was not found on thejava.library.path: /usr/java/packages/lib/i386:/lib:/usr/lib

Feb 18, 2009 1:46:07 PM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Feb 18, 2009 1:46:07 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 497 ms
Feb 18, 2009 1:46:07 PM org.apache.catalina.users.MemoryUserDatabase save

WARNING: User database is not persistable - no write permissions ondirectory

Feb 18, 2009 1:46:07 PM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Feb 18, 2009 1:46:07 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.18
Feb 18, 2009 1:46:08 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Feb 18, 2009 1:46:08 PM org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
Feb 18, 2009 1:46:08 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/33  config=null
Feb 18, 2009 1:46:08 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 553 ms
Feb 18, 2009 1:46:20 PM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive webMonster.war
--------- snip

-------- localhost tomcat logs ---------
Feb 18, 2009 1:46:14 PM org.apache.catalina.core.ApplicationContext log

INFO: HTMLManager: init: Associated with Deployer'Catalina:type=Deployer,host=localhost'

Feb 18, 2009 1:46:14 PM org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: init: Global resources are available
Feb 18, 2009 1:46:14 PM org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: undeploy: Undeploying web application at '/webMonster'
Feb 18, 2009 1:46:14 PM org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: list: Listing contexts for virtual host 'localhost'
Feb 18, 2009 1:46:21 PM org.apache.catalina.core.ApplicationContext log
INFO: HTMLManager: list: Listing contexts for virtual host 'localhost'
Feb 18, 2009 1:46:39 PM org.apache.catalina.core.ApplicationContext log
INFO: Marking servlet MsgService as unavailable
Feb 18, 2009 1:46:39 PM org.apache.catalina.core.ApplicationContext log
SEVERE: Error loading WebappClassLoader
 delegate: false
 repositories:
   /WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.standardclassloa...@1113708
com.i2s.webMonster.server.MsgServiceImpl
java.lang.ClassNotFoundException: com.i2s.webMonster.server.MsgServiceImpl

atorg.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)atorg.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)atorg.apache.catalina.core.StandardWrapper$1.run(StandardWrapper.java:1077)

   at java.security.AccessController.doPrivileged(Native Method)

atorg.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1073)atorg.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:808)atorg.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129)atorg.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)atorg.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)atorg.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)atorg.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)atorg.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)atorg.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)atorg.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)atorg.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)atorg.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)

   at java.lang.Thread.run(Thread.java:619)
Feb 18, 2009 1:46:39 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Allocate exception for servlet MsgService
java.lang.ClassNotFoundException: com.i2s.webMonster.server.MsgServiceImpl

   at java.security.AccessController.doPrivileged(Native Method)

   at java.lang.Thread.run(Thread.java:619)
Feb 18, 2009 1:46:51 PM org.apache.catalina.core.StandardWrapperValve invoke
INFO: Servlet MsgService is currently unavailable
--------------- snip

I haven't seen that latter log until just now! Does this help?

-SCarlson

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Re: Ubuntu 8.10 GWT Apache2 Tomcat Servlet Problems

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