FW: Re: Missing application web.xml Tomcat 5.5.7

Joe Reger, Jr. Mon, 14 Feb 2005 07:37:50 -0800

Hi All.

I'm still having trouble with this issue. I'm not able to upload a .WAR file through the html web application manager but the same war manually exploded and placed into the /webapps directory works fine. I've included the web.xml to see if anybody can determine why Tomcat's rejecting it. I've Included the stdout log file. Some notes from the log4j tomcat debug file:

Line 91: Tomcat has found the context.xml and moved it to $CatalinaRoot$\conf\Catalina\localhost\ROOT.xml

Line 537: org.apache.catalina.core.StandardContext - Starting ROOT

Line 7542: org.apache.catalina.startup.ContextConfig - Missing application web.xml, using defaults only

Line 7744: org.apache.catalina.startup.HostConfig - Checking context[] redeploy resource C:\SuperFly\Tomcat 5.5\webapps\ROOT

Line 7746: ContainerBackgroundProcessor[StandardEngine[Catalina]] org.apache.catalina.core.StandardContext - Stopping

Line 7825: Delete C:\SuperFly\Tomcat 5.5\webapps\ROOT.war

Here's what I see when I deploy:

Click upload. Tomcat moves ROOT.war into $CatalinaRoot$\webapps\. Context.xml, from inside the .war file seen in $CatalinaRoot$\conf\localhost. Application appears in manager/html. A few seconds later the application dissappears and all files are deleted.

The tomcat sample war file appears to be broken too :

http://jakarta.apache.org/tomcat/tomcat-5.5-doc/appdev/sample/

I'm open to suggestions. More info below.

Thanks,

Joe

From: Joe Reger, Jr. [mailto:[EMAIL PROTECTED]
Sent: Wednesday, February 02, 2005 11:58 AM
To: '[email protected]'
Subject: Re: Missing application web.xml

Hi!

I'm having problems with the "Missing application web.xml" error on dev machines running Windows XP,. Tomcat 5.5.7, Java 5.0.

It happens when I try to deploy a war file by using the Manager app or by placing it in the /webapps directory. Here are some of the things I've done, each time trying to deploy the resulting WAR file with no success and the same error:

1) Completely emptied the /webapps directory (per Paul's success below).

2) Verified existence of web.xml inside WAR file.

3) Uninstalled ROOT app and verified file removal from /webapps directory.

4) Checked order of elements in web.xml to fit spec.

5) Validated web.xml in Intellij Idea against http://java.sun.com/dtd/web-app_2_3.dtd

6) Changed <web-app> tag from the sample web.xml in documentation to the one used in Manager app from 5.5.7 build:

    <web-app xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
    version="2.4">

7) Removed all comments and spaces from web.xml.

When I unpack the WAR manually and place the unpacked files in /webapps the application works fine. Tomcat likes the web.xml, but it can't seem to find it inside of the WAR file.

Incidentally, when I watch my /webapps directory during a Manager deploy, the ROOT.war file does appear for a few seconds. It appears that Tomcat is trying to find a web.xml inside of it, fails and then deletes the file.

I use Ant to build the WAR file:

Any help appreciated. Seen this on two development XP machines today.

Best,

Joe Reger

---Original Message----------------------------------------------------

I just wanted to follow up and get into the record what I think is the 
solution to the problem I asked about
on 1/20.  I turns out that the reason I was getting "Missing 
application web.xml" errors in my stdout.log
was because of a problem that arose during the undeployment 
precipitated by my deployment of a new
build.  It appears (just based on Tomcat's behavior) that when you move 
a WAR file into the webapps directory, the first thing Tomcat tries to 
do is delete the old unpacked version.  In my case, it failed to do 
that because (as I found) the servlet had open file handles to files 
inside the servlet's context directory.  Windows  XP doesn't let you 
delete files that it thinks are "in use", and I suspect that is the 
trouble Tomcat was running into.  Anyway, it deleted everything except 
those files, including the web.xml file, which it then reported as 
missing.

When I modified my code to make sure the files were closed after being 
read, the problem went away.  Well, I haven't had the fix in place long 
enough to be sure it has gone away, but at the very least it certainly 
seems to have helped a great deal, so I think the problem is solved.

    --Paul Lynch (eph1v3t8 @ mailblocks.com)

<?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 xmlns="http://java.sun.com/xml/ns/j2ee";
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";
    version="2.4">
    <filter>
        <filter-name>UrlRewriteFilter</filter-name>
        <filter-class>org.tuckey.web.filters.urlrewrite.UrlRewriteFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>UrlRewriteFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <servlet>
      <servlet-name>Loader</servlet-name>
      <servlet-class>reger.scheduler.Loader</servlet-class>
      <load-on-startup>100</load-on-startup>
  </servlet>
   <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>jsp</servlet-name>
        <url-pattern>*.jsp</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>jsp</servlet-name>
        <url-pattern>*.log</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>jsp</servlet-name>
        <url-pattern>*.jspx</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>jsp</servlet-name>
        <url-pattern>*.xml</url-pattern>
    </servlet-mapping>
    <session-config>
        <session-timeout>20</session-timeout>
    </session-config>
    <welcome-file-list>
        <welcome-file>index.log</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
    </welcome-file-list>
    <error-page>
        <error-code>500</error-code>
        <location>/error/500.jsp</location>
    </error-page>
    <resource-ref>
        <description>Database Connection</description>
        <res-ref-name>jdbc/db</res-ref-name>
        <res-type>javax.sql.DataSource</res-type>
        <res-auth>Container</res-auth>
    </resource-ref>
</web-app>

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FW: Re: Missing application web.xml Tomcat 5.5.7

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