Fail to view pages and encounter http status 500

Hi,
I am student of some university in malaysia. I encounter final year project in this semester. So i intend to use JSP to develop my project. Today after my lecturer brief about JSP, so i come back and try JSP in my PC immediately. What tools I had installed into my PC are:
JDK/JRE 1.6.0
Tomcat 5.5.9
Netbean 1.6
The JSP page contain such coding:
<%
String name = request.getParameter("nm");
String age = request.getParameter("age");
int int_age = Integer.parseInt(age);
int_age = int_age * 3;
%>
Thank you for submitting the data <br>
<%=name%>, your new age is <%=int_age%>
This pages can view in my lecturer's computer, but when i copy back and view in my computer, it encounter http status 500. What is the problem? any solutions?
I am JSP newbie, and start to learn JSP from beginner, thank you for everyone who can help me in this.

Nanikawa wrote:
it encounter http status 500.This generally indicates an uncatched exception in the code. Read the application server logs, find the exception, read the stacktrace and fix your code accordingly.

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halodev:
I made a CF/Flex site based on the Flexstore sample app,
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http://www.timos.com/dg/flex/DilemmaGames.html
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if (l_clob_init) then
dbms_lob.writeappend(l_clob,length(l_buff),l_buff);
l_buff := '';
end if;
? := l_clob;
? := l_buff;
if (wpg_docload.is_file_download) then l_file:='TRUE'; else l_file := 'FALSE'; end if; ? := l_file;
end;
get_page FAILED:ORA-06502: PL/SQL: errore : buffer della stringa di caratteri troppo piccolo di numero o valore
ORA-06512: a line 32
^^^^^^^^^^^^ERROR^^^^^^^^
ORA-06502: PL/SQL: errore : buffer della stringa di caratteri troppo piccolo di numero o valore
ORA-06512: a line 32
Could you kindly help me.
Thanks in advance for your help
Best Regards

Hi Paolo,
which APEX version do you use?
There are only a few reasons that might lead to the behaviour you describe. These are
- configured header size for Tomcat Connector is too small
- configured character encoding for Tomcat Connector doesn't fit for APEX (you need UTF-8)
- you don't have the required version of OWA_UTIL in your XE if you upgraded to a more recent APEX release (e.g. APEX 4.0)
Have you configured the Tomcat's HTTP Connector to use the appropriate header size and character encoding?
(see {thread:id=2174509})
If you've upgraded your XEs APEX, e.g. to 4.0, you also have to update the OWA_UTIL in your XE. APEX versions from 3.0 onwards require at least 10.1.2.0.6, which is the version provided in the installation package. You may just update to that version by changing to the subdirectory owa of your APEX installation package and running
@owainst.sqlas sys (just like in the steps before).
You can check if you have the appropriate version of OWA_UTIL installed by running
select owa_util.get_version from dual;In addition you may also want to check if you performed all steps of this small [url http://www.oracle.com/technetwork/developer-tools/apex/upgrade-apex-for-xe-154969.html]HowTo for the upgrade of APEX in XE databases.
-Udo

What can I do about http status 500 error report?

I have Windows and want to log in to a bank website. I click the Log In button and get this message:
"Http status 500" and that "The server encountered an internal error () that prevented it from fulfilling this request." and "Path webClient.passmark.login does not start with a "/" character" and "he full stack trace of the root cause is available in the Apache Tomcat/5.5.23 logs."
I have tried the "secure Connection failed" troubleshooting without luck. What can I do?

Does a direct link to the login page work?
*https://secure.ally.com/allyWebClient/login.do
Start Firefox in <u>[[Safe Mode]]</u> to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode

** Tomcat JSF App Timeout ---HTTP Status 500 -could not be restored.

** Tomcat JSF App Timeout ---------------HTTP Status 500 -----javax.servlet.ServletException: viewId:/welcome.jsf - View /welcome.jsf could not be restored.
Hi Guys,
I have a JSF app running under Tomcat 6. It works great...fast and Stable...
I have a problem with session timeouts..
I get this error when I leave the browser open to a page and try to use any links..
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: viewId:/welcome.jsf - View /welcome.jsf could not be restored.
      javax.faces.webapp.FacesServlet.service(FacesServlet.java:270)
      org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:154)
      org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:265)
      org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:376)
      org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:503)
I have this in my web.xml
<error-page>
<error-code>500</error-code>
<location>/error500.jsp</location>
<error-code>404</error-code>
<location>/error500.jsp</location>
<error-code>400</error-code>
<location>/error500.jsp</location>
<error-code>403</error-code>
<location>/error500.jsp</location>
</error-page>Any help out there??
Thanks
Phil

Thanks BalusC,
I have added
<error-page>
     <exception-type>javax.faces.application.ViewExpiredException</exception-type>
     <location>/errorTimeOut.jsp</location>
</error-page>
<error-page>
     <exception-type>java.lang.Exception</exception-type>
     <location>/errorTimeOut.jsp</location>
</error-page>and
<context-param>
        <param-name>com.sun.faces.enableRestoreView11Compatibility</param-name>
        <param-value>true</param-value>
</context-param>It now seems to work without any timeout.
Have a great weekend and thanks for your help again.
Phil

HTTP Status 500 - System Unavailable Error

Hi all,
I am facing a problem while accessing Oracle Apex. While i am working with application in apex suddenly it starts popping the error message "HTTP Status 500 - System Unavailable. Please try again later."
After getting this error my application becomes inaccessible. I need to refresh the entire db to run it again.
Can somebody please tell me why is this error coming again and again? Is there some problem with installation or some other problem.
Please reply me as soon as possible.
Thanks in advance,
Anjali.

Hi,
I'm working on APEX 4.0, Oracle XE 10g on Windows 7, Access via ApexListener, actual version, installed into Tomcat 6.0.26.
I'm experiencing the same error. I was able to work out two scenarios which lead to this error:
1. Every now and then the error pops up when using the Application Builder. Catalina.log says:
<pre>
***********ERROR***********
init: # headers=45
declare nm owa.vc_arr := ?;
     vl owa.vc_arr := ?;
begin
owa.init_cgi_env( ?, nm, vl );
htp.init; htp.HTBUF_LEN := 63;
? := sys_context('USERENV','SID');
end;
SID:20
CALL:
begin
f(p=>?,
success_msg=>?);
commit;
end;
BINDS
p:4000:4050:3884752980922490::NO:::
success_msg:Action processed.Action processed./1F544BBDB12EC89A7CC66B768B6446C7/PAGE CALL:
declare
nlns number := 999999;
l_clob CLOB;
lines htp.htbuf_arr;
l_buff varchar2(32676);
l_clob_init boolean:= false;
l_file varchar2(5);
begin
OWA.GET_PAGE(lines, nlns);
if (nlns > 1) then
for i in 1..nlns loop
if ( length(lines(i)) > 0 ) then
if ( ( lengthb(l_buff) + lengthb(lines(i))) > 32676) then
               if (NOT l_clob_init) then
                    dbms_lob.createtemporary(l_clob, TRUE);
                    dbms_lob.open(l_clob, dbms_lob.lob_readwrite);
                    l_clob_init:=true;
               end if;
dbms_lob.writeappend(l_clob,length(l_buff),l_buff);
l_buff := lines(i);
else
l_buff := l_buff || lines(i);
end if;
end if;
end loop;
end if;
if (l_clob_init) then
dbms_lob.writeappend(l_clob,length(l_buff),l_buff);
l_buff := '';
end if;
? := l_clob;
? := l_buff;
if (wpg_docload.is_file_download) then l_file:='TRUE'; else l_file := 'FALSE'; end if; ? := l_file;
? := sys_context('USERENV','SID');
end;
get_page FAILED:ORA-06502: PL/SQL: numeric or value error: character string buffer too small
ORA-06512: at line 32
^^^^^^^^^^^^ERROR^^^^^^^^
ORA-06502: PL/SQL: numeric or value error: character string buffer too small
ORA-06512: at line 32
</pre>
2. I'm using JQuery.dataTables. When I branch to a page that renders a table with that extension and click on a tab (apex.submit()), this error is shown in Catalina.log:
<pre>
init: # headers=47
declare nm owa.vc_arr := ?;
     vl owa.vc_arr := ?;
begin
owa.init_cgi_env( ?, nm, vl );
htp.init; htp.HTBUF_LEN := 63;
? := sys_context('USERENV','SID');
end;
SID:20
CALL:
begin
wwv_flow.accept(p_page_submission_id=>?,
p_flow_id=>?,
R3984050879052451_length=>?,
p_flow_step_id=>?,
p_arg_values=>?,
p_request=>?,
p_instance=>?,
p_t03=>?,
p_t02=>?,
p_t01=>?,
p_md5_checksum=>?,
p_arg_names=>?);
commit;
end;
BINDS
p_page_submission_id:1778791093984791
p_flow_id:101
R3984050879052451_length:10
p_flow_step_id:300
p_arg_values: {F649821837B56200BDC0DEA81D682D1255137C7CE39BC71EA178625107B6988E}
p_request:T_STATISTIKEN
p_instance:3452696935674912
p_t03:389
p_t02:'Verweildauer gesamt abgelaufenes Jahr'
p_t01:15
p_md5_checksum:
p_arg_names: {327865687985686539141271640403183871035117271840}
p_page_submission_id:1778791093984791
p_flow_id:101
R3984050879052451_length:10
p_flow_step_id:300
p_arg_values: {F649821837B56200BDC0DEA81D682D1255137C7CE39BC71EA178625107B6988E}
p_request:T_STATISTIKEN
p_instance:3452696935674912
p_t03:389
p_t02:'Verweildauer gesamt abgelaufenes Jahr'
p_t01:15
p_md5_checksum:
p_arg_names: {327865687985686539141271640403183871035117271840}
EXEC FAILED:ORA-06550: Zeile 2, Spalte 2:
PLS-00306: Falsche Anzahl oder Typen von Argumenten in Aufruf von 'ACCEPT'
ORA-06550: Zeile 2, Spalte 2:
PL/SQL: Statement ignored
ORA-06550: Zeile 2, Spalte 2:
PLS-00306: Falsche Anzahl oder Typen von Argumenten in Aufruf von 'ACCEPT'
ORA-06550: Zeile 2, Spalte 2:
PL/SQL: Statement ignored
</pre>
I can reproduce this error. To me, p_arg_names and p_arg_values look a bit funny, but I'm not sure.
Did anybody encounter similar problems?
Best regards,
Jürgen

Error message - HTTP Status 500 -

sir,
i deployed my struts application using simple form bean and am getting the error message HTTP Status 500- . please guide me to solve this problem. im presenting you the source code i had written. please kindly check this and give the solution.
this is the login.html
<html>
<body bgcolor=#23533234>
<center>
<pre>
<form action=login.do>
<font size=10 color=pink>welcome</font>
<font size=5 color=pink>
username:<input type=text name=un>
<br><br>
password:<input type=password name=pw>
<br><br>
<input type=submit value=G e t    I n>
</font>
</form>
</pre>
</center>
</body>
</html>
this is the AdminHome.jsp
Response from AdminHome page
this is the UserHome.jsp
Response from UserHome.jsp
this is the LoginModel.java
package com.nit.struts;
public class LoginModel
public String validate(String name,String pass)
if(name.equals("user1")&&pass.equals("pass1"))
return "admin";
this is the LoginAction.java
package com.nit.struts;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.struts.action.*;
public class LoginAction extends Action
public ActionForward execute(ActionMapping am, ActionForm af, HttpServletRequest req, HttpServletResponse res)throws Exception
UserDetails ud=(UserDetails)af;
String uname=ud.getName();
String upass=ud.getPass();
// String uname=req.getParameter("un");
// String upass=req.getParameter("pw");
LoginModel lm=new LoginModel();
String user_type=lm.validate(uname,upass);
if(user_type==null)
return am.findForward("fail");
return am.findForward(user_type);
this is the UserDetails.java
package com.nit.struts;
import org.apache.struts.action.*;
public class UserDetails extends ActionForm
public void setName(String s)
un=s;
public void setPass(String s)
pw=s;
public String getName()
return un;
public String getPass()
return pw;
String un,pw;
this is the struts-config.xml
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE struts-config PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 1.3//EN"
"http://struts.apache.org/dtds/struts-config_1_3.dtd">
<struts-config>
<form-beans>
<form-bean name="userform" type="com.nit.struts.UserDetails"/>
</form-beans>
<action-mappings>
<action name="userform" scope="session" path="/login" type="com.nit.struts.LoginAction">
<forward name="fail" path="/login.html"/>
<forward name="admin" path="/AdminHome.jsp"/>
<forward name="user" path="/UserHome.jsp"/>
</action>
</action-mappings>
</struts-config>
this is the web.xml
<web-app>
<servlet>
<servlet-name>first</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<load-on-startup>0</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>first</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>login.html</welcome-file>
</welcome-file-list>
</web-app>
if(name.equals("user2")&&pass.equals("pass2"))
return "user";
return null;
*this is the

type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: java.lang.NullPointerException
     org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:545)
     org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:486)
     org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
     org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
     org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
root cause
java.lang.NullPointerException
     com.nit.struts.LoginModel.validate(LoginModel.java:7)
     com.nit.struts.LoginAction.execute(LoginAction.java:18)
     org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
     org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
     org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
     org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

HTTP Status 500 message when attempting to open Financial Report.

In a new 9.3.1 installation (BI, Essbase, HFM, Planning) I am unable to run Financial Reports in Workspace. As a test, I have created a simple report, using Studio, which has only boilerplate text - no grids or anything else that requires a DB connection. The report previews fine from the Studio client but when I attempt an HTML preview or when I attempt to run the report from within Workspace, I receive an HTTP Status 500 error in the right panel in Workspace. Below is the text of the error. I am using IIS 6 with Tomcat. My troubleshooting effort have been around IIS and BI configuration. I am able to open Web Analysis documents without any trouble. Any suggestions you may have would be appreciated.
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Unable to compile class for JSP
     org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:97)
     org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:346)
     org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:414)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
     org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
     com.hyperion.reporting.webviewer.HRLocaleFilter.doFilter(Unknown Source)
root cause
Compile failed; see the compiler error output for details.
     org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:944)
     org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:764)
     org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:382)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
     org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
     org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
     com.hyperion.reporting.webviewer.HRLocaleFilter.doFilter(Unknown Source)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
I have re-registed with HSS repeatedly as well as scrubbed the logs.

Hi again Ramana,
Did you try any of the following:
1.) Delete Tomcat cache with the following steps
Stop Tomcat.
Remove the folders from <Tomcat\work\Catalina\localhost> directory.
Start Tomcat. (it will delay a few minutes)
The cache will be recreated automatically.
2.) Redeploy Explorer application with wdeploy tool (Location: <install_dir>\SAP BusinessObjects\SAP BusinessObjects Enterprise XI 4.0\wdeploy)
Syntax
wdeploy <WEB_APP_SERVER> [-D<PROPERTY>=<value>] <ACTION>
Example
-- Undeploy
wdeploy tomcat7 -DAPP=explorer undeploy
-- Deploy
wdeploy tomcat7 -DAPP=explorer deploy
Regards,
Ilias

Fail to view pages and encounter http status 500

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