Using error pages in web.xml

          Having a few problems with error pages and web.xml with browsers caching the error
          pages and strange errors coming out of weblogic.servlet.intenal.WebAppServletContext
          I'm trying to set a web app up so that all http errors and all exceptions are
          routed thruogh predefined resources. For now, I'm simply send 400 errors to 400.html
          and the ServletException, IOException and RuntimeException to respective html
          pages.
          What I'm finding is that the error codes work fine but the exceptions are only
          be routed to the correct error page for the first call to the servlet after server
          restart.
          So for example, I have my servlet throwing a ServletException as a test case.
          The weblogic server log shows that ServletException is thrown, and the correct
          error page for ServletExceptions is shown.
          If I change the Servlet code to throw IOException in place of SevletException,
          the weblogic.log shows that IOExceptyion is being thrown (so the servlet has deployed
          successfully), however the Servletxception error page is shown on the browser.
          I'm using IE6 and I've changed the setting such that a new page is requested every
          time using the tools-internet options-temp internet files-settings option to "check
          for new versions of stored pages: Every visit to the page".
          Despite this, the servlet exception error page still appears.
          If you clear the cache from the temp intenet files->delete files IE option, the
          correct errror page will be shown so it appears that the browser cache is being
          used after all.
          everytime I delete the temp intenet files I get the correct error page on the
          first request after but then not after that.
          I have implemented the service method for this test to throw the exceptions -
          does this make a differecne?
          As a test, I have moved the imlpementation to the doGet method instead bu I now
          get a strange eror from weblogic comlpaining about an arrayOutOfBoundsException
          because eror codes in the web.xml are not supported! - see error above.
          Any help is appreciated

Have you tried setting pragama no cache?
          <META HTTP-EQUIV="Pragma" CONTENT="no-cache">
          cheersmbg"Aaton" <[email protected]> wrote in message
          news:[email protected]...
          >
          > Having a few problems with error pages and web.xml with browsers caching
          the error
          > pages and strange errors coming out of
          weblogic.servlet.intenal.WebAppServletContext
          >
          > I'm trying to set a web app up so that all http errors and all exceptions
          are
          > routed thruogh predefined resources. For now, I'm simply send 400 errors
          to 400.html
          > and the ServletException, IOException and RuntimeException to respective
          html
          > pages.
          >
          > What I'm finding is that the error codes work fine but the exceptions are
          only
          > be routed to the correct error page for the first call to the servlet
          after server
          > restart.
          >
          > So for example, I have my servlet throwing a ServletException as a test
          case.
          > The weblogic server log shows that ServletException is thrown, and the
          correct
          > error page for ServletExceptions is shown.
          >
          > If I change the Servlet code to throw IOException in place of
          SevletException,
          > the weblogic.log shows that IOExceptyion is being thrown (so the servlet
          has deployed
          > successfully), however the Servletxception error page is shown on the
          browser.
          >
          > I'm using IE6 and I've changed the setting such that a new page is
          requested every
          > time using the tools-internet options-temp internet files-settings option
          to "check
          > for new versions of stored pages: Every visit to the page".
          >
          > Despite this, the servlet exception error page still appears.
          >
          > If you clear the cache from the temp intenet files->delete files IE
          option, the
          > correct errror page will be shown so it appears that the browser cache is
          being
          > used after all.
          >
          > everytime I delete the temp intenet files I get the correct error page on
          the
          > first request after but then not after that.
          >
          > I have implemented the service method for this test to throw the
          exceptions -
          > does this make a differecne?
          >
          > As a test, I have moved the imlpementation to the doGet method instead bu
          I now
          > get a strange eror from weblogic comlpaining about an
          arrayOutOfBoundsException
          > because eror codes in the web.xml are not supported! - see error above.
          >
          > Any help is appreciated

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Problem displaying error page of web.xml when using JSF, Ajax4jsf

Hi,
My application is using MyFaces, RichFaces and Ajax4jsf. When i try to display error page configured in web.xml, i am getting exception "Error while processing error page".
my web.xml contents are as follows:
<?xml version="1.0"?>
<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">
<filter>
<display-name>RichFaces Filter</display-name>
<filter-name>richfaces</filter-name>
<filter-class>org.ajax4jsf.Filter</filter-class>
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<filter-mapping>
<filter-name>richfaces</filter-name>
<servlet-name>faces</servlet-name>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
<dispatcher>INCLUDE</dispatcher>
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<init-param>
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<filter>
<filter-name>KTServletFilter</filter-name>
<filter-class>com.kenexa.core.system.KTServletFilter</filter-class>
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<filter-mapping>
<filter-name>extensionsFilter</filter-name>
<url-pattern>*.jsf</url-pattern>
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<filter-mapping>
<filter-name>extensionsFilter</filter-name>
<url-pattern>/faces/*</url-pattern>
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<filter-mapping>
<filter-name>Seam Redirect Filter</filter-name>
<url-pattern>*.jsf</url-pattern>
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<filter-mapping>
<filter-name>KTServletFilter</filter-name>
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<listener>
<listener-class>org.jboss.seam.servlet.SeamListener</listener-class>
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<load-on-startup>1</load-on-startup>
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<servlet-mapping>
<servlet-name>faces</servlet-name>
<url-pattern>*.jsf</url-pattern>
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<error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/rc/systemError.jsp</location>
</error-page>
Any comments are welcome----------------------------------------------------------------

I too iam facing the same problem could you advise if you have found any solutions
-Ram

Problems with error-page in web.xml and page caching

Having a few problems with error pages and web.xml with browsers caching the error pages and strange errors coming out of weblogic.servlet.intenal.WebAppServletContext
I'm trying to set a web app up so that all http errors and all exceptions are routed thruogh predefined resources. For now, I'm simply send 400 errors to 400.html and the ServletException, IOException and RuntimeException to respective html pages.
What I'm finding is that the error codes work fine but the exceptions are only be routed to the correct error page for the first call to the servlet after server restart.
So for example, I have my servlet throwing a ServletException as a test case. The weblogic server log shows that ServletException is thrown, and the correct error page for ServletExceptions is shown.
If I change the Servlet code to throw IOException in place of SevletException, the weblogic.log shows that IOExceptyion is being thrown (so the servlet has deployed successfully), however the Servletxception error page is shown on the browser.
I'm using IE6 and I've changed the setting such that a new page is requested every time using the tools-internet options-temp internet files-settings option to "check for new versions of stored pages: Every visit to the page".
Despite this, the servlet exception error page still appears.
If you clear the cache from the temp intenet files->delete files IE option, the correct errror page will be shown so it appears that the browser cache is being used after all.
everytime I delete the temp intenet files I get the correct error page on the first request after but then not after that.
I have implemented the service method for this test to throw the exceptions - does this make a differecne?
As a test, I have moved the imlpementation to the doGet method instead bu I now get a strange eror from weblogic comlpaining about an arrayOutOfBoundsException because eror codes in the web.xml are not supported! - see error above.
Any help is appreciated

After further investigation: -
There are no problems with error pages based on error codes, only error exceptions.
As a test case, I have a service method in a servlet throwing either one of the three exception types that servlets can throw (Runtime, Servlet & IO) the following rules apply. The exception to be thrown is hardcoded and is changed and the web app rebuilt each time. The correct web.xml has been deployed to the app server (checked through console). the webapp is being redeployed correctly - this can be seen in the weblogic log, where the correct exception is reported.
I am using WLS 8.1, Servlet 2.3, JDK 1.4.1_02
In all cases, the weblogic log reports that the servlet is throwing the exception as expected.
Despite having set error-page for exception javax.servlet.ServletException, the exceptions are diverted to the error page that has been set up for http error code 500
The error page for ServletException is therefore never reached.
I have the browser set to request pages every time it is asked.
Once the servlet has thrown an IOException, the only way to get the browser to report an IO or Runtime exception error-page is to clear the browser cache. Restarting the server has no effect.
Once the servlet has responded with ANY exception, it is not possible to get it to report a ServletException (which is incorrectly reported as a 500 anyway) unless the cache is cleared. Restarting the server has no effect.
In the case where the servlet throws ServletException, it has no root exception. The servlet 2.3 spec states that if ServletException is thrown but cannot be found in the error pages, the root excpetion will be extracted and the error page list traversed again. Knowing that the RuntimeException error page is correct shown when RuntimeException is throwm, I have nested this inside the ServletException, however error page for http error 500 is still shown.
I don't believe this is a WLS 8.1 problem, as the console shows that the correct exception is thrown each time. this is backed up by the fact that the correct exception page is thrown when the cache is cleared regardless of what exception was previousdly thrown by the servlet. This excludes ServletException which is always incorrectly thrown as a 500.

Defining error-page in web.xml

Hi,
We are using oracle 9iAS with oc4j container. I have defined error-page for redirecting 404 error-code in web.xml. It works fine with all browsers except internet explorer 5.5 and higher, IE ignores and displays 'page cannot be displayed' page. Can anybody help me on this, but on the otherhand if I send response.sendError(404);, it recognizes and invokes page.
Thanks for the advice

Hi,
Thanks for your reply to me.
I am doing something wrong but I can't find it.
I add the following code to my WEB-INF/web.xml file under the web-app tag, using jdeveloper.
<error-page>
<error-code>404</error-code>
<location>notFound.html</location>
</error-page>
then all of my jsp's in my project have this error message when I buit them.
-Error(1): oracle.xml.parser.v2.XMLParseException: Invalid element 'error-page' in content of 'web-app', expected elements '[taglib, resource-ref, security-constraint, login-config, security-role, env-entry, ejb-ref]'.
Can yo help me???
thanks in advence...

Using error code in web.xml

hi I have following servlet ..
sevlet :
PrintWriter out = res.getWriter();
out.println("<p>I will throw a ServletEexception now....</p>");
//res.sendError(404, "messagge");
In the above code res.sendError(404, "messagge"); is commented and i get the result as expected, when i call above servlet.
After that i un-comment res.sendError(404, "messagge"); and get error.jsp, since web.xml contains :
<error-page>
<error-code>404</error-code>
<location>/error.jsp</location>
</error-page>
But if i open a different browser and access the above servlet , then i am getting The page cannot be found.
I am getting the following stack trace(sun app server) :
[#|2006-06-18T17:12:30.593-0400|INFO|sun-appserver-pe8.1_02|javax.enterprise.system.stream.out|_ThreadID=61;|
NotifyUtil::java.net.ConnectException: Connection refused: no further information
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:525)
at com.sun.enterprise.server.ss.ASClientSocketImpl.connect(ASClientSocketImpl.java:175)
at java.net.Socket.connect(Socket.java:507)
at java.net.Socket.connect(Socket.java:457)
at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:365)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:477)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:214)
at sun.net.www.http.HttpClient.New(HttpClient.java:287)
at sun.net.www.http.HttpClient.New(HttpClient.java:299)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:792)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:744)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:669)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:836)
at org.netbeans.modules.web.monitor.server.NotifyUtil$RecordSender.run(NotifyUtil.java:237)
|#]
[#|2006-06-18T17:12:31.593-0400|INFO|sun-appserver-pe8.1_02|javax.enterprise.system.stream.out|_ThreadID=62;|
NotifyUtil::java.net.ConnectException: Connection refused: no further information
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:525)
at com.sun.enterprise.server.ss.ASClientSocketImpl.connect(ASClientSocketImpl.java:175)
at java.net.Socket.connect(Socket.java:507)
at java.net.Socket.connect(Socket.java:457)
at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:365)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:477)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:214)
at sun.net.www.http.HttpClient.New(HttpClient.java:287)
at sun.net.www.http.HttpClient.New(HttpClient.java:299)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:792)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:744)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:669)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:836)
at org.netbeans.modules.web.monitor.server.NotifyUtil$RecordSender.run(NotifyUtil.java:237)
|#]---------------------------------------------------------------
I have tried the same in Tomcat 5 and i am still getting similar problem.
Any help will be appreciated
Message was edited by:
java_do_pro

Hi my web.xml error entry looks like
<error-page>
<error-code>404</error-code>
<location>/404.jsp</location>
</error-page>
Want I want to do is that is user asks for WEB_URL/anypage.jsp or anypage.html
and if the page does not exist in the web application then the control shall be transfered to the jsp page which will display the error details (and do some processing as well)
hth,
Asif

Problems with the tag error-page in web.xml

hi all, here is my code in my web.xml:
<error-page>
<exception-type>java.sql.SQLException</exception-type>
<location>/ex.html</location>
</error-page>
it seems not to work, because my JavaBean where its the code to connect to my database and execute a query has an error i made it at purpose to see if the error page works, my JavaBean reports an error: column name not valid but the error-page didn�t work, i use a servlet which instantiates my JavaBean and then my servlet redirects to a JSP, obviouslly if an error occurs my servlet didnt redirect to any place, here is the code into my JavaBean, if anyone could help me i really appreciate it...
public BeanLista seleccionaCliente()
int nBandera = 0;
BeanList lp = new BeanList();
String cadena = "SELECT CODCLI, APEPATI FROM TESO.CLIENTE WHERE CODCLI like '2001120%' ";
try
context = new InitialContext();
pool = (DataSource)context.lookup("jdbc/PRUEBADS");
catch (NamingException ne)
ne.printStackTrace();
System.out.println("No se ha podido efectuar el Pool de Conexiones");
try
cc = pool.getConnection();
ResultSet rs = cc.createStatement().executeQuery(cadena);
cc.close();
while(rs.next())
BeanPrueba bp = new BeanPrueba();
bp.setCodcli(rs.getString(1));
bp.setApepat(rs.getString(2));
lp.add(bp);
return lp;
}catch(SQLException sql){
System.out.println("A ocurrido un error de SQL");
System.out.println("Error de SQl capturado como : "+sql.getMessage());
//sql.printStackTrace();
return lp;
}

Can it be because you are catching your exception? Why don't you try throwing the same exception in the catch block and let the server handle it for you.
Just a guess... Hope it works.
VM

error-page in web.xml not working

In my web.xml I have
<error-page>
<exception-type>java.lang.NullPointerException</exception-type>
<location>/error.jsp</location>
</error-page>
I checked the page works by doing a /context/error.jsp and
the page displays fine (it is a simple jsp page).
I hit a struts action that gives me this in the std output.
06/29 10:48:24 error
[1]java.lang.NullPointerException
at
com.pearson.gs.cms.business.LoginService.verifyPassword(LoginService.java:232)
at
com.pearson.gs.cms.action.LoginAction.performCMSAction(LoginAction.java:92)
at
com.pearson.gs.cms.action.BaseCMSAction.execute(BaseCMSAction.java:48)
at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:91)
at
jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
at
jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:259)
at
jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:541)
at
jrun.servlet.http.WebService.invokeRunnable(WebService.java:172)
at
jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)
[0]javax.servlet.ServletException
at
org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:523)
at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:91)
at
jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42)
at
jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:259)
at
jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:541)
at
jrun.servlet.http.WebService.invokeRunnable(WebService.java:172)
at
jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)
I get a 500 error page instead of my /error.jsp page.
I tried adding
<error-page>
<error-code>500</error-code>
<location>/error.jsp</location>
</error-page>
but that doesn't work either.
JRun 4.0
Updater 6
JDK 1.4.2
Struts 1.2.8
Any ideas what to try?

a. Override your skeletons error.jsp to forward/redirect to your page.
or
b. If you primarily use pageflow portlets Define a shared flow which has an exception handling method and direct it to your page. Reference the shared flow in each of your controllers (i think global.app is deprecated in 10 otherwise you could do this there). this lets you log some additional information, plus gives you the added flexibility of dealing with different exception types
or
c. Override the path to error.jsp in your portlets properties (havent tested)
Note if you are using servlets etc you still need your web.xml java.lang.Exception entry. The reason it doesnt get picked up is because the portal framework is handling the exception
Edited by: deepshet on Dec 22, 2008 8:12 PM

JSP error page in web.xml

I had a JSP error page spcified through the attribute isErrorPage and referenced in the other JSPs through the errorPage attribute, and everything worked well.
Then, I decided to specify that errorpage in the web.xml instead :
<error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/error.jsp<location>
</error-page>The page is found and everythiing, except that I don't get the Throwable info in the implicit exception object in error.jsp. There's nothing in exception.getMessage().
Anybody knows why and the solution to this ?

The JSP spec lets you get the Throwable through the javax.servlet.jsp.jspException request attribute.
The servlet spec uses the javax.servlet.error.exception request attribute for the same thing.
Therefore, because of the above unfortunate mismatch, when you switched to a global error page, you could no longer get the Throwable through the implicit exception obj, because the later retrieves Throwable from the javax.servlet.jsp.jspException request attribute.
The solution would be to retrieve javax.servlet.error.exception from the request yourself in your error page.

Error-page in web.xml: error page doesn't show

Hi,
I added the following block in web.xml file:
<error-page>
<exception-type>java.lang.Exception</exception-type>
<location>/ESU9098J.jsp</location>
</error-page>
When I force an exception, I get a pop-up for downloading a file named EAC0002Se04379bf (where EAC0002S is the name of the servlet in which the exception happens). Can anybody help?
I use OC4J 10221 on Win Xp with JDK 1.3.1
Thanks
Jean

This is due to a erroneous MIME type mapping in one of the OC4J config files.
To resolve it:
Modify mime.types under $OC4J_HOME/config by removing the line application/jsp (for some unknown reason, there are two of them in the file) or renaming the
word jsp into some other name, ex.:
"application/jsp jsptemp"
for both the 2 lines. Then add "jsp" to the end of the "text/html" line, ex.:
"text/html html htm jsp".
This will make oc4j use text/html in the response when a jsp file is being processed that's why it's very important to eliminate application/jsp by renaming jsp or simply deleting the line.
We fixed this error in the config file in a later release.
cheers
-steve-

Problems with jsp-error page in web.xml

Hello everybody, I have a confusing problem concerning the use of jsps as error pages for 404-errors.
I inserted the following lines in my web.xml file:
<error-page>
<error-code>404</error-code>
<location>/personal404.jsp</location>
</error-page>
The problem is: when an 404 occurs, instead of showin the personal404.jsp, the browser tells me that it tries to download a file which it can't (it tries to download the mis-spelled file). When I try to redirect the 404 to a static html-page, as in
<error-page>
<error-code>404</error-code>
<location>/personal404.html</location>
</error-page>
everything works fine.
Please, does anybody have any idea or suggestion, what I am doing wrong?
Thanks in advance,
Sebastian

Hi Ivan,
I tried it, but there wasn't any difference.
I'll try to explain in more detail what happens:
Imagine my application has the following root-path
http://myServerName:port/mainRoot/
When I try the following URL:
http://myServerName:port/mainRoot/pageThatDoesNotExist.jsp, the browser tells me, it tries to download the file pageThatDoesNotExist.jsp from myServerName and that it can't find that file.
The same happens, when I type http://myServerName:port/mainRoot/pathThatDoesNotExist/pageThatDOESExist.jsp, except that the browser tries to download the file pageThatDOESExist.jsp which (again) it can't.
I have located the files 404.jsp and 404.html in the same directory, so I don't think this is a path-related problem, because everything works fine, when I specify the 404.html as the target error page (i.e. the browser displays the 404.html when I type the URLs shown above).
I don't know if I'm making this clear, but maybe you get the idea.
Sebastian

About error-page in web.xml

1)<!ELEMENT error-page ((error-code | exception-type), location)>
<error-page>
        <error-code>404</error-code>
        <location>/404.html</location>
    </error-page> <error-page error-code='404' location='/404.html'/ > <--why this is wrong???
2)How to explain the followings? Any examples?
"If no error-page declaration containing an exception-type fits using the class-heirarchy match, and the exception thrown is a ServletException or subclass thereof, the container extracts the wrapped exception, as defined by the ServletException.getRootCause method. A second pass is made over the error page declarations, again attempting the match against the error page declarations, but using the wrapped exception instead."

<error-page error-code='404' location='/404.html'/ > <--why this is wrong???Because thats not what the DTD specifies.
It says that <error-page> must have two sub elements - the <error-code> or <exception-type> and a <location>
It doesn't say that you can have them as attributes. So what you have typed there is wrong.

[Problem] Define Error Codes in web.xml

Hi everybody!
What I want to do is very simple to explain:
For our web-application I have designed a global error pages, that should appear, whenever an error occurs. Not matter if it is an 500 a 404 or a 202. Always the same page, that does the processing of the error in the background.
In the web-xml if defined it like this: (for example for a 500 error)
<error-page>
<error-code>500</error-code>
<location>/global_error_page.jsp</location>
</error-page>Now I want to alter the web.xml in a way, that this error page is called for all possible error-codes, without writing a whole block for each error-code.
For some reason <error-code>*</error-code> does not work.
And ideas, suggestions?
Thanks in Advance!
Stef

i have done it for collecting Database errors but not successful in doing it for Catch errors.
The way to do it for DB errors is to return error through pragma and in try itself store it in a String and use requestDispatcher by setting attribute and getting the same in JSP. But this should be inside try to work.
For Java errors i have defined error code in web.xml
so the possible java errors shows the error page.

Error code in web.xml

hi I have following servlet ..
sevlet :
PrintWriter out = res.getWriter();
out.println("<p>I will throw a ServletEexception now....</p>");
//res.sendError(404, "messagge");
In the above code res.sendError(404, "messagge"); is commented and i get the result as expected, when i call above servlet.
After that i un-comment res.sendError(404, "messagge"); and get error.jsp, since web.xml contains :
<error-page>
<error-code>404</error-code>
<location>/error.jsp</location>
</error-page>
But if i open a different browser and access the above servlet , then i am getting The page cannot be found.
I am getting the following stack trace(sun app server) :
[#|2006-06-18T17:12:30.593-0400|INFO|sun-appserver-pe8.1_02|javax.enterprise.system.stream.out|_ThreadID=61;|
NotifyUtil::java.net.ConnectException: Connection refused: no further information
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:525)
at com.sun.enterprise.server.ss.ASClientSocketImpl.connect(ASClientSocketImpl.java:175)
at java.net.Socket.connect(Socket.java:507)
at java.net.Socket.connect(Socket.java:457)
at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:365)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:477)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:214)
at sun.net.www.http.HttpClient.New(HttpClient.java:287)
at sun.net.www.http.HttpClient.New(HttpClient.java:299)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:792)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:744)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:669)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:836)
at org.netbeans.modules.web.monitor.server.NotifyUtil$RecordSender.run(NotifyUtil.java:237)
|#]
[#|2006-06-18T17:12:31.593-0400|INFO|sun-appserver-pe8.1_02|javax.enterprise.system.stream.out|_ThreadID=62;|
NotifyUtil::java.net.ConnectException: Connection refused: no further information
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:525)
at com.sun.enterprise.server.ss.ASClientSocketImpl.connect(ASClientSocketImpl.java:175)
at java.net.Socket.connect(Socket.java:507)
at java.net.Socket.connect(Socket.java:457)
at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:365)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:477)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:214)
at sun.net.www.http.HttpClient.New(HttpClient.java:287)
at sun.net.www.http.HttpClient.New(HttpClient.java:299)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:792)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:744)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:669)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:836)
at org.netbeans.modules.web.monitor.server.NotifyUtil$RecordSender.run(NotifyUtil.java:237)
|#]
I have tried the same in Tomcat 5 and i am still getting similar problem.
Any help will be appreciated

I don't know a replacement for this, but I recommend to post this questione into Servlets section to get more chances for receiving answers...
Regards,
Mohammed Saleem

Problen with error-page in web-app

Hi!
Anybody got working <error-page> in <web-app>?
As I can see, oc4j (1.0.2.2.1) forgots about contentType and sets application/jsp mime type for error page...
null

Did you ever figure this out... it's still happening with Oracle9iAS (9.0.2.0.0) ... and the error page tries to download.
If you had any luck with it, please let me know.

Validation error when using env-entry in web.xml

I've added an env-entry element to my web.xml and it falls over at deploy time with a validation error. However, from what I can see, this is valid based on the schema.
And infact, it matches the example in the weblogic doco - http://edocs.bea.com/wls/docs103/webapp/web_xml.html#wp1025195
The error I'm getting is:
<17/12/2008 11:45:56 AM EST> <Error> <J2EE> <BEA-160197> <Unable to load descriptor D:\workspace\source_checkout\investment_control\ic-web\src\main\webapp/WEB-INF/web.xml of module ic-web.war. The error is weblogic.descriptor.DescriptorException: VALIDATION PROBLEMS WERE FOUND
problem: cvc-complex-type.2.4a: Expected elements 'mapped-name@http://java.sun.com/xml/ns/javaee injection-target@http://java.sun.com/xml/ns/javaee' instead of 'env-entry-type@http://java.sun.com/xml/ns/javaee' here in element env-entry@http://java.sun.com/xml/ns/javaee:<null>
     at weblogic.descriptor.internal.MarshallerFactory$1.evaluateResults(MarshallerFactory.java:234)
     at weblogic.descriptor.internal.MarshallerFactory$1.evaluateResults(MarshallerFactory.java:221)
My web.xml looks like:
<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/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
     version="2.5">
     <description>IC Web</description>
     <env-entry>
          <env-entry-name>aEntry</env-entry-name>
          <env-entry-value>aValue</env-entry-value>
          <env-entry-type>java.lang.String</env-entry-type>
     </env-entry>
</web-app>
Any suggestions???

Found a resolution to this in the end.
Unless you have the sub-elements in the order below, it will get validation errors.
<env-entry>
<env-entry-name>maxAmount</env-entry-name>
<env-entry-type>java.lang.String</env-entry-type>
<env-entry-value>aString</env-entry-value>
</env-entry>
A bit weird and very frustrating....

Using error pages in web.xml

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