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From "Haroon Rasheed" <haroonrasheedj...@gmail.com>
Subject Upgrade from Struts1.1 to Struts1.3.8- UnknownHostException: java.sun.com
Date Fri, 15 Feb 2008 15:59:04 GMT
Recently I have upgraded from Struts 1.1 to Struts 1.3.8. I get the
following exception during server-startup.( when I run Resin 3.1.3 -with out
internet access).

My Server starts successfully without any Struts issues if I've internet
access.

I checked for all the DTDs/XSDs & TLD files which have 'java.sun.com' as
part of the URI.

Currently I have the following TLD/DTD files presentunder \resin-
pro-3.1.3\webapps\<my-app>\WEB-INF\tld

    permittedTaglibs.tld
    fn.tld
    validator-rules_1_1.dtd
    x-1_0-rt.tld
    struts-bean.tld
    yoshida.tld
    web-app_2_3.dtd
    c.tld
    SUN_MICR.SF
    x-1_0.tld
    fmt.tld
    struts-nested.tld
    struts-config_1_0.dtd
    tiles-config_1_1.dtd
    c-1_0.tld
    sql-1_0-rt.tld
    fmt-1_0-rt.tld
    struts-html.tld
    struts-logic.tld
    taglibs-session.tld
    struts-html-el.tld
    x.tld
    tiles-config.dtd
    web-app_2_2.dtd
    struts-template.tld
    SUN_MICR.RSA
    sql.tld
    struts-form.tld
    taglibs-request.tld
    struts.tld
    scriptfree.tld
    validation_1_1.dtd
    struts-bean-el.tld
    c-1_0-rt.tld
    taglibs-log.tld
    struts-logic-el.tld
    pack.properties
    x-rt.tld
    struts-tiles.tld
    fmt-1_0.tld
    struts-config_1_1.dtd
    sql-1_0.tld
    MANIFEST.MF
    web-jsptaglibrary_2_0.xsd
    web-jsptaglibrary_1_1.dtd
    web-jsptaglibrary_1_2.dtd

I would like to know, which DTD/TLD/XSD file is causing ActionServlet-init
to throw the following error. Recently while  I read at
http://struts.apache.org/1.x/userGuide/installation-was352
-x.html<http://struts.apache.org/1.x/userGuide/installation-was352-x.html>


For whatever reason, some installations do not like XML files that reference
PUBLIC DTD's - if in looking at the default_host_stdout.log file you see
errors about invalid public URL references during DTD registrations, or if
your pages say "cannot find //logon or //saveRegistration (ie. action
mappings) then do the following:

   1. Stop Default Server
   2. Go to servlets\WEB-INF\ and edit web.xml and struts_config.xml.
   3. In the DOCTYPE declaration, change the word PUBLIC to SYSTEM and
   completely remove the line that reads "-//Sun Microsystems, Inc.//DTD Web
   Application 2.2//EN" from web.xml and remove "-//Apache Software
   Foundation//DTD Struts Configuration 1.0//EN" from struts-config.xml.


I

Appreciate your help in getting rid of this exception.

Error Logs:


[06:00:12.609] javax.servlet.UnavailableException:
java.net.UnknownHostException: java.sun.com
[06:00:12.609] at org.apache.struts.action.ActionServlet.init(
ActionServlet.java:408)
[06:00:12.609] at javax.servlet.GenericServlet.init(GenericServlet.java:70)
[06:00:12.609] at
com.caucho.server.dispatch.ServletConfigImpl.createServletImpl(
ServletConfigImpl.java:789)
[06:00:12.609] at com.caucho.server.dispatch.ServletConfigImpl.createServlet
(ServletConfigImpl.java:716)
[06:00:12.609] at com.caucho.server.dispatch.ServletManager.init(
ServletManager.java:150)
[06:00:12.609] at com.caucho.server.webapp.WebApp.start(WebApp.java:1800)
[06:00:12.609] at com.caucho.server.deploy.DeployController.startImpl(
DeployController.java:646)
[06:00:12.609] at
com.caucho.server.deploy.StartAutoRedeployAutoStrategy.startOnInit(
StartAutoRedeployAutoStrategy.java:72)
[06:00:12.609] at com.caucho.server.deploy.DeployController.startOnInit(
DeployController.java:528)
[06:00:12.609] at com.caucho.server.deploy.DeployContainer.start(
DeployContainer.java:163)
[06:00:12.609] at com.caucho.server.webapp.WebAppContainer.start(
WebAppContainer.java:675)
[06:00:12.609] at com.caucho.server.host.Host.start(Host.java:437)
[06:00:12.609] at com.caucho.server.deploy.DeployController.startImpl(
DeployController.java:646)
[06:00:12.609] at
com.caucho.server.deploy.StartAutoRedeployAutoStrategy.startOnInit(
StartAutoRedeployAutoStrategy.java:72)
[06:00:12.609] at com.caucho.server.deploy.DeployController.startOnInit(
DeployController.java:528)
[06:00:12.609] at com.caucho.server.deploy.DeployContainer.start(
DeployContainer.java:163)
[06:00:12.609] at com.caucho.server.host.HostContainer.start(
HostContainer.java:479)
[06:00:12.609] at com.caucho.server.cluster.Server.start(Server.java:1151)
[06:00:12.609] at
com.caucho.server.cluster.Cluster.startServer(Cluster.java:719)

[06:00:12.609] at com.caucho.server.cluster.ClusterServer.startServer(
ClusterServer.java:455)
[06:00:12.609] at com.caucho.server.resin.Resin.start(Resin.java:694)
[06:00:12.609] at com.caucho.server.resin.Resin.initMain(Resin.java:1114)
[06:00:12.609] at com.caucho.server.resin.Resin.main(Resin.java:1316)

Thanks!

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