SOLVED - Servlet MessageBrokerServlet is not available on Ubuntu AMD64

Hello,
I have downloaded blazeds-bin-3.3.0.11688.zip and deployed blazeds.war on winXP tomcat 6.20.
There http://localhost:8080/blazeds/messagebroker/amf url in browser gives me blank screen as expected.
My production deployment will be Kubuntu 9.10 AMD 64 so I wanted to test same on it.
The installation for same is Kubuntu 9.10, tomcat 6.20 installed through repositories.
I deployed same .war in catalina/localhost but I get following error
Servlet MessageBrokerServlet is not available
instead of blankscreen as expected.
What might be wrong ?
Edited ------- 16 Nov 2009 22:08 (IST +5:30 GMT)
The Tomcat Log is As Follows. Hope Somebody will be able to decode this
16 Nov, 2009 10:05:39 PM org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextDestroyed()
16 Nov, 2009 10:05:39 PM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextDestroyed()
16 Nov, 2009 10:05:47 PM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextInitialized()
16 Nov, 2009 10:05:47 PM org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextInitialized()
16 Nov, 2009 10:05:47 PM org.apache.catalina.core.ApplicationContext log
INFO: Marking servlet MessageBrokerServlet as unavailable
16 Nov, 2009 10:05:47 PM org.apache.catalina.core.StandardContext loadOnStartup
SEVERE: Servlet /blazeds threw load() exception
javax.servlet.UnavailableException
    at flex.messaging.MessageBrokerServlet.init(MessageBrokerServlet.java:170)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:269)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
    at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:301)
    at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162)
    at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:115)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1167)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:993)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4149)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4458)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
    at org.apache.catalina.core.ContainerBase.access$000(ContainerBase.java:123)
    at org.apache.catalina.core.ContainerBase$PrivilegedAddChild.run(ContainerBase.java:145)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:769)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
    at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:630)
    at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:556)
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:491)
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
    at org.apache.catalina.core.StandardService.start(StandardService.java:516)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.commons.daemon.support.DaemonLoader.start(DaemonLoader.java:177)
Edited -------
Thanks and best regards.
Raja
Edited on 18 Nov 2009 13:50 IST (+5:30 GMT)
There is No Problem with either BlazeDS, Tomcat or Kubuntu OS as such.
The repository Install of Tomcat has the problem. What I did is as follows.
1. First I removed the repository Install of all Tomcat packages.
2. Downloaded the stable tar.gz distribution from Apache website.
3. Followed Instructions at this Link (states that repository Install of tomcat do not work properly.)
4. deployed the blazeds war on linux
5. Started Tomcat and tested http://localhost:8080/blazeds/messagebroker/amf
It gave me blank screen as expected.
Hope this helps to someone who stumbles on Ubuntu Linux Blazeds Installation.
Moderators may put this in FAQ section so that it helps Ubuntu Users.
Thanks and best Regards
Raja

It's not that hard to fix/work around, you just need to add a line in /etc/default/tomcat6, I just made a post about it.
http://eveliten.se/node/1
//Snigelkott

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type="strutsfiles.CadAssuntoForm"/>
</form-beans>
<global-exceptions>
<exception type="java.sql.SQLException"
key="generica.sql.exception"
path="/pages/CadAssuntoErro.jsp"/>
</global-exceptions>
<global-forwards>
<forward name="welcome" path="/Welcome.do"/>
</global-forwards>
<action-mappings>
<action path="/Welcome" forward="/welcomeStruts.jsp"/>
<action path="/CadAssunto"
type="strutsfiles.CadAssuntoAction"
name="CadAssuntoForm"
input="/pages/CadAssunto.jsp">
<forward name="sucesso" path="/pages/CadAssuntoOK.jsp"/>
<forward name="erro" path="/pages/CadAssuntoErro.jsp"/>
</action>
</action-mappings>
<controller processorClass="org.apache.struts.tiles.TilesRequestProcessor"/>
<message-resources parameter="com/myapp/struts/ApplicationResource"/>

<plug-in className="org.apache.struts.tiles.TilesPlugin" >
<set-property property="definitions-config" value="/WEB-INF/tiles-defs.xml" />
<set-property property="moduleAware" value="true" />
</plug-in>

<plug-in className="org.apache.struts.validator.ValidatorPlugIn">
<set-property
property="pathnames"
value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml"/>
</plug-in>
</struts-config>
My web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" 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">
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>2</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<session-config><session-timeout>
30
</session-timeout></session-config><welcome-file-list><welcome-file>
index.jsp
</welcome-file></welcome-file-list>
     <jsp-config>
     <taglib>
     <taglib-uri>/tags/struts-bean</taglib-uri>
     <taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
     </taglib>
     <taglib>
     <taglib-uri>/tags/struts-html</taglib-uri>
     <taglib-location>/WEB-INF/struts-html.tld</taglib-location>
     </taglib>
     <taglib>
     <taglib-uri>/tags/struts-logic</taglib-uri>
     <taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
     </taglib>
     <taglib>
     <taglib-uri>/tags/struts-nested</taglib-uri>
     <taglib-location>/WEB-INF/struts-nested.tld</taglib-location>
     </taglib>
     <taglib>
     <taglib-uri>/tags/struts-tiles</taglib-uri>
     <taglib-location>/WEB-INF/struts-tiles.tld</taglib-location>
     </taglib>
</jsp-config>
</web-app>
Thanks in advance,
Marcio

503 Service Unavailable
The server is currently unable to handle the request due to a temporary overloading or maintenance of the server. The implication is that this is a temporary condition which will be alleviated after some delay. If known, the length of the delay MAY be indicated in a Retry-After header. If no Retry-After is given, the client SHOULD handle the response as it would for a 500 response.
Note: The existence of the 503 status code does not imply that a
server must use it when becoming overloaded. Some servers may wish
to simply refuse the connection.

[solved] Module usb-eth not available

Hi everyone,
I am using Arch for about a week now and must say that I love it. Before I was using Ubuntu for half a year and earlier Gentoo.
So now to my question. Our router at home is a FritzBox SL that has one USB port and one LAN port. Ubuntu had a module called "usb-eth" that enabled a device eth1 and let me connect to the internet. Any ideas how to find that? I couldn't find it in usb documentation of the arch kernel.
Thanks in advance
David
EDIT: solved. the module is called cdc_ether, everything works fine.
Last edited by dcrabs (2008-12-01 19:56:50)

vilefridge wrote:And now 2.6.28.3-1. Haven't tried either yet since, I too, became frustrated with upgrading and downgrading. If nobody else can confirm, I will give it a go this weekend.
Thanx, I'm waiting for your report :)
EDIT: I have found solution for me. I'm using Logitech USB Keyboard, so I have done this steps:
1] Upgrade mkinitcpio to 0.5.23-1
2] cd /lib/initcpio/install
3] cp usbinput usbinput.backup
4] vim usbinput
and add this: MODULES="${MODULES} hid-logitech" (you will probably need another hid module, depend on your keyboard - try ls /lib/modules/2.6.27-ARCH/kernel/drivers/hid) after line with MODULES=" $(checked_modules "/usb/host ..." and save it.
5] pacman -S kernel26 (I'm using 2.6.28.2)
6] reboot :)
Good luck!
Last edited by lian (2009-02-03 01:30:47)

Exception :(Servlet action is not available) is not available.

I am using mvc frame work(Struts)
IDE is eclipse
I dont know where i am going wrong
please help me in this regards

My Struts config.xml
<struts-config>
     <form-beans>
          <form-bean name="processBean" path="com.pennywise.bean.ProcessBean"/>
          <form-bean name="user" path="com.pennywise.bean.User"/>
          <form-bean name="user3" path="com.pennywise.bean.User3"/>
          <form-bean name="user4" path="com.pennywise.bean.User4"/>
          <form-bean name="userTeam" path="com.pennywise.bean.UserTeam"/>
     </form-beans>
     <global-forwards>
     </global-forwards>
<action-mappings>
     <action path="/loginservlet4" type="com.pennywise.action.LoginServlet4"
                    name="user4"
                    input="form.html"
                    scope="request" validate="true" >
               <forward name="success" path="form4.jsp" />
               <forward name="fail" path="form.html" />
          </action>
<data-sources>
     <data-source type="org.apache.tomcat.dbcp.dbcp.BasicDataSource">
         <set-property property="driverClassName" value="com.mysql.jdbc.Driver" />
         <set-property property="url" value="jdbc:mysql://167.186.11.246/Bidding"/>
         <set-property property="username" value="mysql" />
         <set-property property="password" value="pennywise"/>
         <set-property property="maxActive" value="10" />
         <set-property property="maxWait" value="5000" />
         <set-property property="defaultAutoCommit" value="false" />
         <set-property property="defaultReadOnly" value="false" />
     </data-source>
</data-sources>
</struts-config>     My web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
    "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>

<servlet>
             <servlet-name>action</servlet-name>
             <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
        <init-param>
      <param-name>config</param-name>
      <param-value>/WEB-INF/struts-config.xml</param-value>
    </init-param>
    <init-param>
      <param-name>application</param-name>
      <param-value>application</param-value>
    </init-param>
    <init-param>
      <param-name>debug</param-name>
      <param-value>2</param-value>
    </init-param>
    <load-on-startup>2</load-on-startup>
</servlet>

    <servlet-mapping>
             <servlet-name>action</servlet-name>
             <url-pattern>*.do</url-pattern>
        </servlet-mapping>
    <welcome-file-list>
<welcome-file>form.html</welcome-file>
</welcome-file-list>
<taglib>
     <taglib-uri>/WEB-INF/tld/struts.tld</taglib-uri>
     <taglib-location>/WEB-INF/tld/struts.tld</taglib-location>
</taglib>
<taglib>
     <taglib-uri>/WEB-INF/tld/struts-bean.tld</taglib-uri>
    <taglib-location>/WEB-INF/tld/struts-bean.tld</taglib-location>
</taglib>
<taglib>
    <taglib-uri>/WEB-INF/tld/struts-form.tld</taglib-uri>
    <taglib-location>/WEB-INF/tld/struts-form.tld</taglib-location>
</taglib>
<taglib>
       <taglib-uri>/WEB-INF/tld/struts-html.tld</taglib-uri>
       <taglib-location>/WEB-INF/tld/struts-html.tld</taglib-location>
</taglib>
<taglib>
     <taglib-uri>/WEB-INF/tld/struts-logic.tld</taglib-uri>
     <taglib-location>/WEB-INF/tld/struts-logic.tld</taglib-location>
</taglib>
</web-app>   My ActionServlet
package com.pennywise.action;
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import com.pennywise.bean.User4;
import com.pennywise.services.UserServices4;
import java.sql.*;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
   public class LoginServlet4 extends Action
           public ActionForward execute(ActionMapping mapping,
                                                    ActionForm form,
                                                    HttpServletRequest req,
                                                    HttpServletResponse res)throws Exception
       res.setContentType("text/html");
       PrintWriter out=res.getWriter();
       ActionError error=null;
       ActionErrors ae=null;
       try{
       User4 user= (User4)form;
       UserServices4 userServices4= new UserServices4();
       ArrayList userList = (ArrayList)userServices4.listUser4();
       req.setAttribute("userList",userList);
          }catch(Exception e)
               System.out.println(e);
          }//catch
          return mapping.findForward("success");
     }//actionForward

Servlet: "The requested resource is not available"

I'm trying to get my first servlet to run.
I've installed tomcat 4.1.18 and compiled a "HelloWorld" class into
"tomcat_dir"\webapps\root\web-inf\classes\.
when I start tomcat, then open my browser and key
"http://localhost:8080/servlet/HelloWorld"
I get a status 404
"The requested resource (/servlet/HelloWorld) is not available.
what am I doing wrong?
thanks
barry

Register the servlet in the web.xml file.
open ROOT/WEB-INF/web.xml and edit it like:
<web-app>
<servlet>
<servlet-name>HelloWorld</servlet-name>
<servlet-class>HelloWorld</servlet-class>
</servlet>
</web-app>
Stop and start tomcat and try again.

Error:    package javax.servlet.http does not exist

Hi all,
How do I import javax.servlet?
package com.example.web;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class BeerSelect extends HttpServlet {
public void doPost(HttpServletRequest request,
                     HttpServletResponse response)
                     throws IOException, ServletException {
    response.setContentType("text/html");
    PrintWriter out = response.getWrite();
    out.println ("Beer Selection Advide<br>");
    String c = request.getParameter("color");
    out.println ("<br>Got beer color " + c);
}What does this error mean? The error message:
Compiling 1 source file to C:\Program Files\Apache Software Foundation\MyProjects\J2EE\build\classes
C:\Program Files\Apache Software Foundation\MyProjects\J2EE\src\com\example\web\BeerSelect.java:3:
package javax.servlet does not exist
import javax.servlet.*;
C:\Program Files\Apache Software Foundation\MyProjects\J2EE\src\com\example\web\BeerSelect.java:4:
package javax.servlet.http does not exist
import javax.servlet.http.*;
C:\Program Files\Apache Software Foundation\MyProjects\J2EE\src\com\example\web\BeerSelect.java:7:
cannot find symbol
symbol: class HttpServlet
public class BeerSelect extends HttpServlet {
C:\Program Files\Apache Software Foundation\MyProjects\J2EE\src\com\example\web\BeerSelect.java:8:
cannot find symbol
symbol : class HttpServletRequest
location: class com.example.web.BeerSelect
public void doPost(HttpServletRequest request,
C:\Program Files\Apache Software Foundation\MyProjects\J2EE\src\com\example\web\BeerSelect.java:9:
cannot find symbol
symbol : class HttpServletResponse
location: class com.example.web.BeerSelect
                     HttpServletResponse response)
C:\Program Files\Apache Software Foundation\MyProjects\J2EE\src\com\example\web\BeerSelect.java:10:
cannot find symbol
symbol : class ServletException
location: class com.example.web.BeerSelect
                     throws IOException, ServletException {
6 errors
BUILD FAILED (total time: 0 seconds)Thank you.

Hi,
The file servlet-api.jar / servlet.jar is not available in your classpath.
To compile an Servlet you need the jar file to be in classpath.
The jar file can be found in your webserver / application server lib folder.
Regards,
Zack

Tomcat Error: Requested Resource is not Available.

I'm working on a Struts project, which involves working w/ JSP pages, Tomcat and Java classes.
I keep receiving the following error whenever I click on a link on my main JSP page. My Servlet's name is StrutsGame, which is defined in web.xml
HTTP Status 404 - Servlet StrutsGame is not available
type Status report
message Servlet StrutsGame is not available
description The requested resource (Servlet StrutsGame is not available) is not available.
Apache Tomcat/5.5.20Note that I do not get this problem when I enter the main jsp, although this is under the same servlet name.
My main jsp page is called DisplayMainMenu.jsp, which contains links to GetAddInfo.jsp, GetDeleteInfo.jsp, GetEditName.jsp and DisplayGames.jsp.
I receive the problem discussed above when I click on GetAddInfo.jsp.
Here's how my web.xml looks like. Please help out!
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN" "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>
<servlet>
    <servlet-name>StrutsGame</servlet-name>
    <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
     <init-param>
      <param-name>application</param-name>
      <param-value>StrutsGame</param-value>
    </init-param>
     <init-param>
      <param-name>config</param-name>
      <param-value>/WEB-INF/struts-config.xml</param-value>
    </init-param>
    </servlet>
<servlet-mapping>
    <servlet-name>StrutsGame</servlet-name>
    <url-pattern>/do/*</url-pattern>
</servlet-mapping>
    <session-config id="timeout">
     <session-timeout>600</session-timeout>
    </session-config>
<welcome-file-list>
    <welcome-file>jsp/DisplayMainMenu.jsp</welcome-file>
</welcome-file-list>
<taglib>
    <taglib-uri>struts/bean-el</taglib-uri>
    <taglib-location>/WEB-INF/struts-bean-el.tld</taglib-location>
</taglib>
<taglib>
    <taglib-uri>struts/html-el</taglib-uri>
    <taglib-location>/WEB-INF/struts-html-el.tld</taglib-location>
</taglib>
<taglib>
    <taglib-uri>struts/logic-el</taglib-uri>
    <taglib-location>/WEB-INF/struts-logic-el.tld</taglib-location>
</taglib>
</web-app>

make this sample web.xml as your reference:
<?xml version = '1.0' encoding = 'windows-1252'?>
<!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>
<description>Empty web.xml file for Web Application</description>
<servlet>
    <servlet-name>SampleServlet</servlet-name>
    <servlet-class>com.sample.SampleServlet</servlet-class>
</servlet>
<servlet>
    <servlet-name>MyServlets</servlet-name>
    <servlet-class>myServlet.MyServlets</servlet-class>
</servlet>
<servlet>
    <servlet-name>myServlets</servlet-name>
    <servlet-class>com.myapp.myServlets</servlet-class>
</servlet>
<servlet>
    <servlet-name>MyServlet</servlet-name>
    <servlet-class>mypackage5.MyServlet</servlet-class>
</servlet>
<servlet>
    <servlet-name>FetchDataServlet</servlet-name>
    <servlet-class>com.myapp.FetchDataServlet</servlet-class>
</servlet>
<servlet>
    <servlet-name>ReportServlet</servlet-name>
    <servlet-class>com.jubabes.ReportServlet</servlet-class>
</servlet>
<servlet-mapping>
    <servlet-name>MyServlets</servlet-name>
    <url-pattern>/myservlets</url-pattern>
</servlet-mapping>
<servlet-mapping>
    <servlet-name>MyServlet</servlet-name>
    <url-pattern>/myservlet</url-pattern>
</servlet-mapping>
<servlet-mapping>
    <servlet-name>FetchDataServlet</servlet-name>
    <url-pattern>/fetchdataservlet</url-pattern>
</servlet-mapping>
<servlet-mapping>
    <servlet-name>ReportServlet</servlet-name>
    <url-pattern>/reportservlet</url-pattern>
</servlet-mapping>
<session-config>
    <session-timeout>35</session-timeout>
</session-config>
<mime-mapping>
    <extension>html</extension>
    <mime-type>text/html</mime-type>
</mime-mapping>
<mime-mapping>
    <extension>txt</extension>
    <mime-type>text/plain</mime-type>
</mime-mapping>
</web-app>

SOLVED - Servlet MessageBrokerServlet is not available on Ubuntu AMD64

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