Mapping JSP as Servlet

I want to deploy JSP's in weblogic server 6.1. For that,I have done the following steps.
          1.I copied the JSP file under the web application root.
          2.I included the same JSP file in the web.xml file like this.
          <servlet>
          <servlet-name>Test</servlet-name>
          <jsp-file>Test.jsp</jsp-file>
          </servlet>
          <servlet-mapping>
          <servlet-name>Test</servlet-name>
          <url-pattern>/Test</url-pattern>
          </servlet-mapping>
          Then started the server again.
          I called the JSP page in IE with the following URL.
          http://127.0.0.1:7001/Test
          When I request the page,it gives error as Resource not found on the server console.
          Could you please clarify me.
          Regards,
          Pandu

Did you do all of this in the DefaultWepApplication? If not, you will
          have to include the name of the application in your browser.
          Example:
          applications/testapp/Test.jsp
          applications/testapp/WEB-INF/web.xml like below
          In your browser: http://127.0.0.1:7001/testapp/Test
          This should work.
          Hope this helps,
          Nils
          Pandu wrote:
          >
          > I want to deploy JSP's in weblogic server 6.1. For that,I have done the following steps.
          >
          > 1.I copied the JSP file under the web application root.
          > 2.I included the same JSP file in the web.xml file like this.
          >
          > <servlet>
          > <servlet-name>Test</servlet-name>
          > <jsp-file>Test.jsp</jsp-file>
          > </servlet>
          >
          > <servlet-mapping>
          > <servlet-name>Test</servlet-name>
          > <url-pattern>/Test</url-pattern>
          > </servlet-mapping>
          >
          > Then started the server again.
          > I called the JSP page in IE with the following URL.
          > http://127.0.0.1:7001/Test
          > When I request the page,it gives error as Resource not found on the server console.
          > Could you please clarify me.
          > Regards,
          > Pandu
          ============================
          [email protected]

Similar Messages

Deploying a WAR file containing .jsp and servlets (also uses JNI)

Deploying a WAR file containing .jsp and servlets (also uses JNI) on Windows 2000
We had problems making it initially work on Sun ONE Web Server 6.0 Service Pack 1 because of lack of good iPlanet Web
Server documentation on deploying such files.
This is how we went about it:
1) Make one of the servlet and JSP (must call another Java Class) web application (.war) examples work with iPlanet Web
Server.
C:\iPlanet\Servers\plugins\servlets\examples\web-apps\HelloWorld\HelloWorld.war
and
C:\iPlanet\Servers\plugins\servlets\examples\web-apps\jakarta-examples\jarkarta-examples.war
a) Go to your Web Server Administration to deploy the application using GUI Web Application Deploy.
(We usually use command line, we experienced some issues with the GUI version, but maybe it is fixed in the new Web Server
service packs)
From browser, open http://yourserver:8888/
Click on Select a Server:Manage
Click on Virtual Server Class
Click on https-yourserver
Click on the Web Applications Tab
Then, click on Deploy Web Application
Enter the following -
WAR File On: Local
WAR File Path: C:\iPlanet\Servers\plugins\servlets\examples\web-apps\jakarta-examples\jarkarta-examples.war
Application URI: /jakarta
Installation Directory: c:\iPlanet\examples\jakarta-examples
By clicking on OK it deployed the application.
I can verify that it is deployed by selecting "Edit Web Applications" and I see the following entry:
Edit     /jakarta     c:/iPlanet/examples/jakarta-examples
Also, c:/iPlanet/examples/jakarta-examples should have the similar following directory structure ..
- [images]
- [jsp]
- index.html
- [servlets]
- [META-INF]
- [WEB-INF]
- [classes]
- [tlds]
- web.xml
- index.html
I restarted the server and accessed it using the following URL from my IE browser:
http://yourserver/jakarta/index.html
Then I clicked on the JSP Examples and tried some JSP examples.
b) Alternatively, you can also deploy the same example from the command-line.
Make sure C:\iPlanet\Servers\bin\https\httpadmin\bin\ is in your path
wdeploy deploy      -u /jakarta
          -i yourserver
          -v https-yourserver
          -d c:\iplanet\examples\jakarta-examples
          C:\iPlanet\Servers\plugins\servlets\examples\web-apps\jakarta-examples\jarkarta-examples.war
Restart the web server (I don't think you have to restart, but .. might as well).
2)Deploy your web-application
My Foo.war has the following structure.
You can use jar tf Foo.war to look at the file contents from command line (assuming you have JDK installed and the bin is
in your PATH)
Foo.war
- [META-INF]
- [WEB-INF]
- web.xml
- [classes]
- Bar.class
- MoServlet.class
- [lib]
- ThirdParty.jar
- [natlib]
- extlib.dll
- foo.jsp
Here is our application scenario:
foo.jsp uses a class call Bar (it is not in any package). The Bar java class uses classes from ThirdParty.jar. The
ThirdParty.jar in turn uses JNI to load library extlib.dll. foo.jsp also calls /servlet/Mo as well.
Now to deploy it, do the following:
(a) Make sure that within foo.jsp, you import the Bar class ( I don't know why you have to do it, but if you don't you get
JSP compile error).
<%@page language="java" import="Bar" contentType="text/html"%>
(b) Check web.xml (for Servlets)
Within web.xml, make sure you have the following mappings:
<servlet>
<servlet-name> MoLink </servlet-name>
<servlet-class> MoServlet </servlet-class>
</servlet>
<servlet-mapping>
<servlet-name> MoLink </servlet-name>
<url-pattern> /servlet/Mo </url-pattern>
</servlet-mapping>
(c) Deploy the application
Using command line:
wdeploy deploy      -u /foo
          -i yourserver
          -v https-yourserver
          -d c:\iplanet\examples\foo-dir
          Foo.war
(d) Change web-apps.xml file (for picking up ThirdParty.jar)
It is located in
C:\iPlanet\Servers\https-yourserver\config
You should see something similar to following after successful deployment.
<web-app uri="/foo" dir="C:\iPlanet\examples\foo-dir" enable="true"/>
Change it to look like following to pick up the ThirdParty.jar
<web-app uri="/foo" dir="C:\iPlanet\examples\foo-dir" enable="true">
<class-loader reload-interval="300"
          classpath="C:/iPlanet/examples/foo-dir/WEB-INF/lib/ThirdParty.jar"
          delegate="false"/>
</web-app>
(e) Change jvm12.conf file (for JNI)
It is located in
C:\iPlanet\Servers\https-yourserver\config
Add or uncomment the following lines:
#optional - just helps with instrumenting the jsp and servlet code
jvm.include.CLASSPATH=1
jvm.enableDebug=1
nes.jsp.enabledebug=1
jvm.trace=7
jvm.verboseMode=1
#required for JNI
java.compiler=NONE
jvm.classpath=.;C:\JDK1.3.1\lib\tools.jar;C:/iPlanet/Servers/plugins/servlets/examples/legacy/beans.10/SDKBeans10.jar;
jvm.option=-Xrs
jvm.option=-Xnoagent
# not sure if this is needed for iPlanet web server
jvm.option=-Djava.library.path=C:/iPlanet/examples/foo-dir/natlib/ -Djava.compiler=NONE
(f) Change magnus.conf file (for JNI)
We HAD to change this file in order for ThirdParty.jar file to pick up the native C++ code using JNI. Apparently, the
iPlanet Web Server doesn't pick the Environment Variable Path. Because when we had the directory containing the DLL just
in Path, it didn't work.
Change Extrapath directive:
ExtraPath C:/iPlanet/Servers/bin/https/bin;${NSES_JRE_RUNTIME_LIBPATH}
to
ExtraPath c:/iPlanet/examples/foo-dir/natlib;C:/iPlanet/Servers/bin/https/bin;${NSES_JRE_RUNTIME_LIBPATH}
(g) Apply changes from the Web Server Administration Console and Restart the web server.
You should be able to see the behaviour that you want from your application.
http://yourserver/foo/foo.jsp
Hope this was helpful!!!
Sonu

Deploying a WAR file containing .jsp and servlets (also uses JNI) on Windows 2000
We had problems making it initially work on Sun ONE Web Server 6.0 Service Pack 1 because of lack of good iPlanet Web
Server documentation on deploying such files.
This is how we went about it:
1) Make one of the servlet and JSP (must call another Java Class) web application (.war) examples work with iPlanet Web
Server.
C:\iPlanet\Servers\plugins\servlets\examples\web-apps\HelloWorld\HelloWorld.war
and
C:\iPlanet\Servers\plugins\servlets\examples\web-apps\jakarta-examples\jarkarta-examples.war
a) Go to your Web Server Administration to deploy the application using GUI Web Application Deploy.
(We usually use command line, we experienced some issues with the GUI version, but maybe it is fixed in the new Web Server
service packs)
From browser, open http://yourserver:8888/
Click on Select a Server:Manage
Click on Virtual Server Class
Click on https-yourserver
Click on the Web Applications Tab
Then, click on Deploy Web Application
Enter the following -
WAR File On: Local
WAR File Path: C:\iPlanet\Servers\plugins\servlets\examples\web-apps\jakarta-examples\jarkarta-examples.war
Application URI: /jakarta
Installation Directory: c:\iPlanet\examples\jakarta-examples
By clicking on OK it deployed the application.
I can verify that it is deployed by selecting "Edit Web Applications" and I see the following entry:
Edit     /jakarta     c:/iPlanet/examples/jakarta-examples
Also, c:/iPlanet/examples/jakarta-examples should have the similar following directory structure ..
- [images]
- [jsp]
- index.html
- [servlets]
- [META-INF]
- [WEB-INF]
- [classes]
- [tlds]
- web.xml
- index.html
I restarted the server and accessed it using the following URL from my IE browser:
http://yourserver/jakarta/index.html
Then I clicked on the JSP Examples and tried some JSP examples.
b) Alternatively, you can also deploy the same example from the command-line.
Make sure C:\iPlanet\Servers\bin\https\httpadmin\bin\ is in your path
wdeploy deploy      -u /jakarta
          -i yourserver
          -v https-yourserver
          -d c:\iplanet\examples\jakarta-examples
          C:\iPlanet\Servers\plugins\servlets\examples\web-apps\jakarta-examples\jarkarta-examples.war
Restart the web server (I don't think you have to restart, but .. might as well).
2)Deploy your web-application
My Foo.war has the following structure.
You can use jar tf Foo.war to look at the file contents from command line (assuming you have JDK installed and the bin is
in your PATH)
Foo.war
- [META-INF]
- [WEB-INF]
- web.xml
- [classes]
- Bar.class
- MoServlet.class
- [lib]
- ThirdParty.jar
- [natlib]
- extlib.dll
- foo.jsp
Here is our application scenario:
foo.jsp uses a class call Bar (it is not in any package). The Bar java class uses classes from ThirdParty.jar. The
ThirdParty.jar in turn uses JNI to load library extlib.dll. foo.jsp also calls /servlet/Mo as well.
Now to deploy it, do the following:
(a) Make sure that within foo.jsp, you import the Bar class ( I don't know why you have to do it, but if you don't you get
JSP compile error).
<%@page language="java" import="Bar" contentType="text/html"%>
(b) Check web.xml (for Servlets)
Within web.xml, make sure you have the following mappings:
<servlet>
<servlet-name> MoLink </servlet-name>
<servlet-class> MoServlet </servlet-class>
</servlet>
<servlet-mapping>
<servlet-name> MoLink </servlet-name>
<url-pattern> /servlet/Mo </url-pattern>
</servlet-mapping>
(c) Deploy the application
Using command line:
wdeploy deploy      -u /foo
          -i yourserver
          -v https-yourserver
          -d c:\iplanet\examples\foo-dir
          Foo.war
(d) Change web-apps.xml file (for picking up ThirdParty.jar)
It is located in
C:\iPlanet\Servers\https-yourserver\config
You should see something similar to following after successful deployment.
<web-app uri="/foo" dir="C:\iPlanet\examples\foo-dir" enable="true"/>
Change it to look like following to pick up the ThirdParty.jar
<web-app uri="/foo" dir="C:\iPlanet\examples\foo-dir" enable="true">
<class-loader reload-interval="300"
          classpath="C:/iPlanet/examples/foo-dir/WEB-INF/lib/ThirdParty.jar"
          delegate="false"/>
</web-app>
(e) Change jvm12.conf file (for JNI)
It is located in
C:\iPlanet\Servers\https-yourserver\config
Add or uncomment the following lines:
#optional - just helps with instrumenting the jsp and servlet code
jvm.include.CLASSPATH=1
jvm.enableDebug=1
nes.jsp.enabledebug=1
jvm.trace=7
jvm.verboseMode=1
#required for JNI
java.compiler=NONE
jvm.classpath=.;C:\JDK1.3.1\lib\tools.jar;C:/iPlanet/Servers/plugins/servlets/examples/legacy/beans.10/SDKBeans10.jar;
jvm.option=-Xrs
jvm.option=-Xnoagent
# not sure if this is needed for iPlanet web server
jvm.option=-Djava.library.path=C:/iPlanet/examples/foo-dir/natlib/ -Djava.compiler=NONE
(f) Change magnus.conf file (for JNI)
We HAD to change this file in order for ThirdParty.jar file to pick up the native C++ code using JNI. Apparently, the
iPlanet Web Server doesn't pick the Environment Variable Path. Because when we had the directory containing the DLL just
in Path, it didn't work.
Change Extrapath directive:
ExtraPath C:/iPlanet/Servers/bin/https/bin;${NSES_JRE_RUNTIME_LIBPATH}
to
ExtraPath c:/iPlanet/examples/foo-dir/natlib;C:/iPlanet/Servers/bin/https/bin;${NSES_JRE_RUNTIME_LIBPATH}
(g) Apply changes from the Web Server Administration Console and Restart the web server.
You should be able to see the behaviour that you want from your application.
http://yourserver/foo/foo.jsp
Hope this was helpful!!!
Sonu

Getting to next JSP from Servlet

I am getting a 404 when I try to redirect from my servlet to an error page. The code that I am testing is....
catch (SQLException es)
LOG.error("Unexpected error in Login.createUser.Error
message = " + es);
session.setAttribute(Constants.MESSAGE, es.getMessage());
session.setAttribute(Constants.ERROR_TITLE, "Login error: " + Constants.SQL_ERROR);
resp.sendRedirect(Constants.ERROR_PATH);
I have a compiled java class called Constants where the ERROR_PATH is defined as
/** Constant name used in obtaining the path to the error page. */
public static final String ERROR_PATH = "/Jsp/error.jsp";
My JSP pages are located at the root...
myapp
....Jsp
....WEB-INF
........classes
My web.xml looks like this
<servlet>
<servlet-name>errorPage</servlet-name>
<jsp-file>/Jsp/errorPage.jsp</jsp-file>
</servlet>
<servlet-mapping>
<servlet-name>error</servlet-name>
<url-pattern>/Jsp/error.jsp</url-pattern>
</servlet-mapping>
Can anyone point me in the right direction....Thanks

I tend to use a utility method called redirectToResource in particular to redirect from any servlet to any JSP :
/** This method will still work when the server is configured to
*   listen to port 80 rather than port 8080 (default in Tomcat)
public void redirectToResource (HttpServletRequest req,
                                 HttpServletResponse resp,
                              String resourceName)
                     throws ServletException, IOException
   int serverPort    = req.getServerPort();
   String scheme     = req.getScheme();
   String serverName = req.getServerName();
   StringBuffer urlBuffer = new StringBuffer(40);
   urlBuffer.append(scheme + "://" + serverName);
   urlBuffer.append(":" + serverPort);
   urlBuffer.append(resourceName);
    String location = resp.encodeRedirectURL(urlBuffer.toString());
    resp.sendRedirect(location);
}

Mapping paths to servlets doesn't work anymore in SP5 ??

Hello,
          see subject.
          I have a small web application which is contained in a WAR-file named
          "httpdump.war". Its deployment descriptor (web.xml) maps the servlet
          httpdump.HttpDumpServlet to the path /servletpath/* with the following
          XML statements:
          <servlet>
          <servlet-name>HttpDumpServlet</servlet-name>
          <display-name>The HTTP Dump Servlet</display-name>
          <servlet-class>httpdump.HttpDumpServlet</servlet-class>
          </servlet>
          <servlet-mapping>
          <servlet-name>HttpDumpServlet</servlet-name>
          <url-pattern>/servletpath/*</url-pattern>
          </servlet-mapping>
          In weblogic.properties, I have:
          weblogic.httpd.webApp.httpdump=httpdump.war
          The WAR-file is structured as follows:
          $ jar tf httpdump.war
          META-INF/
          META-INF/MANIFEST.MF
          WEB-INF/classes/httpdump/HttpDumpServlet.class
          WEB-INF/web.xml
          dummy.jsp
          $
          Now a request like http://host:port/httpdump/servletpath/xyz should be
          directed to my servlet, right?
          This works flawlessly in WLS 5.1 SP 3. With SP 5, I get the following:
          Sat Aug 26 15:58:54 CEST 2000:<E> <WebAppServletContext-httpdump> Error loading servlet: httpdump.HttpDumpServlet
          java.lang.ClassNotFoundException: httpdump.HttpDumpServlet
               at weblogic.boot.ServerClassLoader.findLocalClass(ServerClassLoader.java:355)
               at weblogic.boot.ServerClassLoader.loadClass(ServerClassLoader.java:111)
               at java.lang.ClassLoader.loadClass(ClassLoader.java:243)
               at weblogic.utils.classloaders.GenericClassLoader.parentLoadClass(GenericClassLoader.java:503)
               at weblogic.utils.classloaders.GenericClassLoader.reallyLoadClass(GenericClassLoader.java:366)
               at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:182)
               at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:156)
               at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:371)
               at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:187)
               at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:118)
               at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImpl.java:760)
               at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImpl.java:707)
               at weblogic.servlet.internal.ServletContextManager.invokeServlet(ServletContextManager.java:251)
               at weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:369)
               at weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:269)
               at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:135)
          Sat Aug 26 15:58:54 CEST 2000:<E> <WebAppServletContext-httpdump> Servlet failed with ServletException
          javax.servlet.ServletException: Servlet class: httpdump.HttpDumpServlet could not be loaded - the requested class wasn't found in the classpath
               at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:379)
               at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:187)
               at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:118)
               at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImpl.java:760)
               at weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContextImpl.java:707)
               at weblogic.servlet.internal.ServletContextManager.invokeServlet(ServletContextManager.java:251)
               at weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:369)
               at weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:269)
               at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:135)
          So, it seems the WLS has interpreted the <servlet-mapping> tag in the
          DD correctly, but is then looking for the servlet class in the wrong
          places..?
          My system configuration:
          $ java weblogic.Admin t3://localhost:7001 VERSION
          WebLogic Build: 5.1.0 Service Pack 5 08/17/2000 07:21:55 #79895
          $ uname -a
          Linux localhost.localdomain 2.2.14 #1 Wed Aug 16 01:57:42 CEST 2000 i686 unknown
          $ java -version
          java version "1.2.2"
          Classic VM (build 1.2.2-L, green threads, nojit)
          $
          Any hints?
          Thanks,
          Olaf
          Olaf Klischat | TU Berlin computer science
          Oberfeldstrasse 132 |
          12683 Berlin, Germany |
          phone: +49 30 54986231 | eMail: [email protected]


Hi,
          we jared our servlets up and placed them in /WEB-INF/lib/....jar. The
          mapping is working without any problems.
          Daniel Hoppe
          -----Original Message-----
          From: Kumar Allamraju [mailto:[email protected]]
          Posted At: Saturday, August 26, 2000 7:57 PM
          Posted To: servlet
          Conversation: mapping paths to servlets doesn't work anymore in SP5 ??
          Subject: Re: mapping paths to servlets doesn't work anymore in SP5 ??
          Yes, this is already a known problem in SP5.
          Fix will be available in the upcoming service packs.
          I guess the workaround is to put servlet classes in servlet classpath.
          Sorry about the regression.
          Kumar
          Olaf Klischat wrote:
          > Hello,
          >
          > see subject.
          >
          > I have a small web application which is contained in a WAR-file named
          > "httpdump.war". Its deployment descriptor (web.xml) maps the servlet
          > httpdump.HttpDumpServlet to the path /servletpath/* with the following
          > XML statements:
          >
          > <servlet>
          > <servlet-name>HttpDumpServlet</servlet-name>
          > <display-name>The HTTP Dump Servlet</display-name>
          > <servlet-class>httpdump.HttpDumpServlet</servlet-class>
          > </servlet>
          >
          > <servlet-mapping>
          > <servlet-name>HttpDumpServlet</servlet-name>
          > <url-pattern>/servletpath/*</url-pattern>
          > </servlet-mapping>
          >
          > In weblogic.properties, I have:
          >
          > weblogic.httpd.webApp.httpdump=httpdump.war
          >
          > The WAR-file is structured as follows:
          >
          > $ jar tf httpdump.war
          > META-INF/
          > META-INF/MANIFEST.MF
          > WEB-INF/classes/httpdump/HttpDumpServlet.class
          > WEB-INF/web.xml
          > dummy.jsp
          > $
          >
          > Now a request like http://host:port/httpdump/servletpath/xyz should be
          > directed to my servlet, right?
          >
          > This works flawlessly in WLS 5.1 SP 3. With SP 5, I get the following:
          >
          > Sat Aug 26 15:58:54 CEST 2000:<E> <WebAppServletContext-httpdump>
          Error loading servlet: httpdump.HttpDumpServlet
          > java.lang.ClassNotFoundException: httpdump.HttpDumpServlet
          > at
          weblogic.boot.ServerClassLoader.findLocalClass(ServerClassLoader.java:35
          5)
          > at
          weblogic.boot.ServerClassLoader.loadClass(ServerClassLoader.java:111)
          > at java.lang.ClassLoader.loadClass(ClassLoader.java:243)
          > at
          weblogic.utils.classloaders.GenericClassLoader.parentLoadClass(GenericCl
          assLoader.java:503)
          > at
          weblogic.utils.classloaders.GenericClassLoader.reallyLoadClass(GenericCl
          assLoader.java:366)
          > at
          weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoa
          der.java:182)
          > at
          weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoa
          der.java:156)
          > at
          weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl
          .java:371)
          > at
          weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.jav
          a:187)
          > at
          weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.
          java:118)
          > at
          weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContex
          tImpl.java:760)
          > at
          weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContex
          tImpl.java:707)
          > at
          weblogic.servlet.internal.ServletContextManager.invokeServlet(ServletCon
          textManager.java:251)
          > at
          weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:3
          69)
          > at
          weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:269)
          > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:135)
          >
          > Sat Aug 26 15:58:54 CEST 2000:<E> <WebAppServletContext-httpdump>
          Servlet failed with ServletException
          > javax.servlet.ServletException: Servlet class:
          httpdump.HttpDumpServlet could not be loaded - the requested class
          wasn't found in the classpath
          >
          > at
          weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl
          .java:379)
          > at
          weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.jav
          a:187)
          > at
          weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.
          java:118)
          > at
          weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContex
          tImpl.java:760)
          > at
          weblogic.servlet.internal.ServletContextImpl.invokeServlet(ServletContex
          tImpl.java:707)
          > at
          weblogic.servlet.internal.ServletContextManager.invokeServlet(ServletCon
          textManager.java:251)
          > at
          weblogic.socket.MuxableSocketHTTP.invokeServlet(MuxableSocketHTTP.java:3
          69)
          > at
          weblogic.socket.MuxableSocketHTTP.execute(MuxableSocketHTTP.java:269)
          > at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:135)
          >
          > So, it seems the WLS has interpreted the <servlet-mapping> tag in the
          > DD correctly, but is then looking for the servlet class in the wrong
          > places..?
          >
          > My system configuration:
          >
          > $ java weblogic.Admin t3://localhost:7001 VERSION
          > WebLogic Build: 5.1.0 Service Pack 5 08/17/2000 07:21:55 #79895
          >
          > $ uname -a
          > Linux localhost.localdomain 2.2.14 #1 Wed Aug 16 01:57:42 CEST 2000
          i686 unknown
          >
          > $ java -version
          > java version "1.2.2"
          > Classic VM (build 1.2.2-L, green threads, nojit)
          > $
          >
          > Any hints?
          >
          > Thanks,
          > Olaf
          > --
          > Olaf Klischat | TU Berlin computer science
          > Oberfeldstrasse 132 |
          > 12683 Berlin, Germany |
          > phone: +49 30 54986231 | eMail: [email protected]

How to map jsp in web.xml

Hi,
CAn anybody tell me that how to map .jsp in web.xml
thanx
vjoy

Same as servlets, except that you specify jsp-file in place of servlet-class - see below
<servlet>
     <servlet-name>MyJspServlet</servlet-name>
     <jsp-file>/jspServlet.jsp</jsp-file>
</servlet>
<servlet-mapping>
     <servlet-name>MyJspServlet</servlet-name>
     <url-pattern>/myJspServlet</url-pattern>
</servlet-mapping>cheers,
ram.

Basic jsp and servlet question (JSP Model 2)

Hi
I want to make an website where i use JSP Model 2 architecture. However I got a basic question
1. I need to separate business logic from presentation with the use of jsp and servlets. Meaning I want no html code in the servlet. Can you give a simple example of how this can be done? If I map my implementation of httpServlet to a jsp page in web.xml and override doPost() and doGet(). The calls to the jsp page comes to the servlet as it should. I want to process some methods (calling sessionbeans or similar which in turn calls entitybeans) and then show the jsp page.
How do I show the jsp page without mixing html in the servlet as I've done below:
doGet(HttpServletRequest req, HttpServletResponse res)
PrintWriter p = response.getWriter();
p.print("<html><body>Hello world</body></html>"); //I dont want to do //this, I want to display the JSP site
doPost(HttpServletRequest req, HttpServletResponse res)
//doSomething
}Message was edited by:
CbbLe

You should treat your servlet class much like a controller, where you can then use JSP as the view. The way you achieve this is to use the forward() method in RequestDispatcher.
Say you've got a servlet class org.yoursite.controller.YourController:
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
//Set some value for use in the JSP file associated wth me
req.setAttribute("greeting", "Hello world!");
//Done with our business logic, off we go to the JSP file
ServletContext app = getServletContext();
    RequestDispatcher disp;
    disp = app.getRequestDispatcher("/some/jsp/file.jsp);
    disp.forward(req, resp);
}Now in your JSP file:
<h1>Example</h1>
<div>
I just want to say <%= request.getAttribute("greeting") %>
</div>Going to that servlet now executes business logic and then points to the JSP file for the view. You can forward from servlet to servlet too if needs be. The string you pass to forward() is whatever would be in the URI of the request so any <servlet-mapping> configurations in web.xml are used ;)
There is some pretty in-depth documentation on the J2EE blueprints website, namely service-to-worker and front-controller patterns. I dare say if you're looking for this sort of code you'll want to look at the composite view pattern too (also on blueprints).

Mapping JSP files

Hi, I am using Tomcat 4.0.3. I am trying to map my JSP pages by giving the following code in web.xml file.
<servlet>
<servlet-name>AJSP</servlet-name>
<jsp-file>/myjsp.jsp</jsp-file>
</servlet>
<servlet-mapping>
<servlet-name>AJSP</servlet-name>
<url-pattern>/hello</url-pattern>
</servlet-mapping>
But I am getting the following error when I try to start tomcat. If I remove above lines, then there is no problem.
org.xml.sax.SAXParseException: The content of element type "web-app" must match
"(icon?,display-name?,description?,distributable?,context-param*,filter*,filter-
mapping*,listener*,servlet*,servlet-mapping*,session-config?,mime-mapping*,welco
me-file-list?,error-page*,taglib*,resource-env-ref*,resource-ref*,security-const
raint*,login-config?,security-role*,env-entry*,ejb-ref*,ejb-local-ref*)".
Thank in advance
Ravi

Why would you map a jsp?
you can just add jsp files to your directories and they will be compiled at the first load...
when you update files they will be loaded also...
I can't imagine any advantage on mapping jsp files...
greetings

JSP redirect servlets

I'm new to jsp and servlets.I'm using jwsdp .
my index.jsp will call a servlet and servlet will redirect to
jsp.both jsp files are in the root
(\jwsdp-1_0\webapps\ROOT)
1) where should i save the servlet ??
2) How do i call index.jsp action to servlert??
is this correct?
action="servlet\MyServlet";
3) How do i come to my second jsp
response.sendRedirect("/Mysecond.jsp");

I don't use jwsdp so I can't help with the first question.
If MyServlet is your servlet class name then 2 is correct. Normally you would declare your servlet and make a URL mapping in your web.xml file.
eg:
<web-app>
<servlet>
<servlet-name>ProcessOrdersServlet</servlet-name>
<servlet-class>com.company.ProcessOrdersServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ProcessOrdersServlet</servlet-name>
<url-pattern>/ProcessOrders</url-pattern>
</servlet-mapping>
</web-app>
then in your jsp <form action="ProcessOrders">
For question 3.
If you have finished processing in your servlet and want to send the next display page to the browser use:
request.getRequestDispatcher( "nextpage.jsp" ).forward( request, response );
This will also preserve any parameters and attributes in the request object.

PL/SQL vs JSP vs Servlets

We are in the stage of deciding which language to develop portlets. I lean towards JSP or servlets for the wide array of Java libraries we can use. I think the only advantage of PL/SQL is speed. Thanks.

It depends. If your developers are mainly Java developers, you'll probably prefer building web portlets. But if you have a strong PL/SQL skill set you could choose the latter. Additionally, if you're developing content that is database intensive you may want to build PL/SQL portlets since they transact with the database faster. If you're going to aggregate content from various web sites, using web providers is preferable. It's a matter of choice based on your requirements and preferences.

How do I restrict access to JSP or servlet only through SSL Port

Hi
I want to restrict the access to few jsp and servlet only through SSL port,
so how can I block the acces to those jsp and servlet through normal port??? We
are using weblogic 5.1.
Any help on this highly appreciated.
Aruna

Hi,
To restrict access(56 bits or less). follow the below steps.
1. Go to your Webserver instance ServerManager
2. Click Preferences Tab ------> Encryption Preference
------> There disable "DES with 56 bit
encryption and MD5 message authentication."
for SSL 2.0 ciphers or SSL3.0 Ciphers. Which ever
needed.
3. Save and Restart the Webserver instance.
The above steps are for 4.x version.
Thanks,
Daks.

Need help in JSP and Servlets

Hi friends,
[please forgive me if i am posting this in the wrong forum, all seems same to a fresher]
Now, to my problem..i need a suggestion, a way or a method to implement the following!
I am supposed to create a servlet that reads data from oracle database. Once i retrive the data (for example: 6 rows of a table having 4 attributes), i am supposed to pass this data to a JSP page where the data has to be formatted and displayed properly. If i call the same servlet from a different JSP, i should be able to access the data in that JSP and format it in a different way. How do i pass the data to JSP? what method i can use to achieve this task?
Note: I already know about PrintWriter pw = response.getWriter(); and then printing the formated HTML page..but i want to keep the formatting to JSP part and send only the data part that i can access in JSP
Thanks in adavance

arun_ramachandran wrote:
[please forgive me if i am posting this in the wrong forum, all seems same to a fresher]Then you should learn to be more observant - after all, we have JSP and Servlet fora, further down the list. :)
I am supposed to create a servlet that reads data from oracle database. Once i retrive the data (for example: 6 rows of a table having 4 attributes), i am supposed to pass this data to a JSP page where the data has to be formatted and displayed properly. If i call the same servlet from a different JSP, i should be able to access the data in that JSP and format it in a different way. How do i pass the data to JSP? what method i can use to achieve this task? You can store the data in your session object. You can even use JavaBeans and the jsp:usebean tag.
[http://java.sun.com/products/jsp/tags/11/syntaxref11.fm14.html]
Note: I already know about PrintWriter pw = response.getWriter(); and then printing the formated HTML page..but i want to keep the formatting to JSP part and send only the data part that i can access in JSPA wise approach - I wish more prople woiuld be as thoughtful.

How can i upload a image file to server by using jsp or servlet.

Hi,
I m gurumoorthy. how can i upload a image file to server by using jsp or servlet without using third party API. pls anyone send me atleast outline of the source code.
Pls send me anyone.
Regards,
Gurumoorthy.

I'm not an applet programmer so I can't give you much advice there.
If you want to stream the file from the server before it's entirely uploaded, then I don't believe you can treat it like a normal file. If you're just wanting to throw it up there and then listen to it, then you can treat it like a normal file.
But again, I'm not entirely certain. You might be able to stream the start of the file from the server while you're still uploading the end of it, but it probably depends on what method you're using to do the transfer.

How to upload a file into server using j2ee jsp and servlet with bean?

How to upload a file into server using j2ee jsp and servlet with bean? Please give me the reference or url about how to do that. If related to struts is more suitable.
Anyone help me please!

u don't need j2ee and struts to do file uploading. An example is as such
in JSP. u use the <input> file tag like
<input type="file"....>You need a bean to capture the file contents like
class FileUploadObj {
    private FormFile srcFile;
    private byte[] fileContent;
    // all the getter and setter methods
}Then in the servlet, you process the file for uploading
    * The following loads the uploaded binary data into a byte Array.
    FileUploadObj form = new FileUploadObj();
    byte[] byteArr = null;
    if (form.signFile != null) {
        int filesize = form.srcFile.getFileSize();
        byteArr = new byte[filesize];
        ByteArrayInputStream bytein = new ByteArrayInputStream (form.srcFile.getFileData());
        bytein.read(byteArr);
        bytein.close();
        form.setFileContent(byteArr);
    // Write file content using Writer class into the destination file in the server.
    ...

Deploying web applications - jsp generated servlet's may be written over the same file!

Hi, I have made the following test:
Created two simple web applications with one jsp page, and deployed it
with different context names, in weblogic.properties I have:
weblogic.httpd.webApp.weirdApp=\java\weblogic\myserver\weirdApp.war
weblogic.httpd.webApp.weirdAppTwo=\java\weblogic\myserver\weirdAppTwo.war
(Note: I have used two diferent war files, because I have a different
implementation of the jsp page, I could have used the same warfile, and
deployed it two times with the same different names I have used)
These two applications have a jsp named myHomePage.jsp
If I access the first application, like this:
http://myServer:7001/weirdApp/myHomePage.jsp
the servlet for myHomePage is created in
/java/weblogic/myserver/WEB-INF/_tmp_war/jsp_servlet/_myhomepage.class
If I access the second application, like this:
http://myServer:7001/weirdAppTwo/myHomePage.jsp
the servlet for myHomePage is created in
/java/weblogic/myserver/WEB-INF/_tmp_war/jsp_servlet/_myhomepage.class
It overrides the first one! Because the servlets are keeped in memory by
a different class loader this seems to not affect the other servlet, but
I am wondering what may happen with this strange beaver from weblogic!
Bruno Antunes,
Java Software Engineer
email: mailto:[email protected]
Phone: +351.21.7994200
Fax : +351.21.7994242
WhatEverSoft - Java Center
Centro de Competencia Java
Praca de Alvalade, 6 - Piso 4
1700-036 Lisboa - Portugal
URL: http://www.whatevernet.com
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I have a separate java class that gets my data and returns a Result object. Do you mean java.sql.ResultSet?
In my main servlet I do the following:
request.setAttribute("supporttracker",
supporttracker.findsupporttracker(monthYear));
and then in my JSP I can iterate through the Result
like the following with no problems:
<c:forEach var="supporttracker" begin="0"
items="${supporttracker.rows}" varStatus="counter">
My problem is that I can only iterate through this
once in the page whereas I have no problem doing
multiple forEach loops through other types of
lists/collections such as an ArrayList. Right, because a ResultSet is a database cursor and doesn't act the same way that an ArrayList does. It's more like an InputStream - once you read it, you close it. If you want to re-read it, you have to re-initialize it again.
Iterators behave that way, too. Once you walk through them, you have to re-initialize them.
I've looked
on the web and in a couple of books, I first thought
it may be scope or some attribute in forEach that I
was missing but I'm stumped. It seems like it's
because the pointer to the result set is at the end
of the result set when trying the second iteration,
but I thought by using the begin="0" would put the
pointer at the first row again, on my second
iteration I'm getting no rows/data outputed.
Please help and thanks in advance!The better thing to do is for your method to return a List of objects, one per row, that represent what the ResultSet returns. Have that method iterate through the ResultSet, loading the rows into the List, and close it before you leave in a finally block. A database cursor is a scarce resource, so it's a good idea to close it as soon as you can.
%

Implement SSL in JSP and servlets

hi there,
i needed some help in implementing ssl in JSPs and servlets. My idea was to have a login page and also use it where sensitive data is being sent. I have used the basic socket programming (socket.class and serverSocket.class) in GUI applications using threads to listen and send simultaniously and understand how it works but how do I implement it in JSP and servlets and where do i store the certificate?
i do know that using SSL sockets is very much the same as using the normal sockets.
can anyone tell me any useful links or give me a step by step guide how to implement it and which classes to use
your help would be very much appreciated.
mani

hi,
soory for late reply.
i think you need to use keytool program in your JDK to generate a certificate signature file and you need to configure the server.xml to open and use the HTTPS port. I have not had any additional info on this but i would assume that you simply enter https:// on the file you wish to load in your form and it should use the HTTPS port provided it can find the certificate which must be stored somewhere in your tomcat web server. i would recommend you see tomcat website or search on google for "ssl support in tomcat".i hav not had time to look into this but i will as soon as i am free from my work load.
mani

Mapping JSP as Servlet

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