Error « JSTL « JSP-Servlet Q&A

1. Error occuring while using for-each loops & generics in j2EE

I am designing a website-based project wherein I first designed my logical layer in Java J2SE application development. Then I made the GUI in J2EE for website. I am importing my ...

2. What is the simplest way to display httpServletResponse.sendError(403, "My Message") status from JSTL

I have a servlet which does some error checking and if something is wrong I will typically do this:

response.sendError(403, "My message")
I don't want to throw an exception from the servlet - ...

3. JSTL EL conditional error

I am using the following conditional check using JSTL but its throwing the error "javax.servlet.jsp.el.ELException: No function is mapped to the name "fn:length"

4. JSTL calculation error

Is this the correct code to print out the calculated value? There seems to be no error but it just directly prints out all my values with the addition, times sign ...

5. getting error when I try to change the response header using JSP

I added this line to change the response header in JSP <c:set target="${pageContext.response}" property="Access-Control-Allow-Origin" value="*"/>.. I am getting error like this..

    HTTP ERROR 500

Problem accessing /. Reason:


6. jstl invalid prefix error

I am using similar piece of code in a jspx file

xmlns:uikit=""           >

<link type="text/css" rel="stylesheet" href="${uikit:cpp('abc')}"/>
but its throws the error jsp.error.attribute.invalidPrefix uikit The ...

10. JSTL Error?

Tomcat just started giving me this error: Unresolved compilation problems: org.apache.taglibs cannot be resolved or is not a type org.apache.taglibs cannot be resolved org.apache.taglibs cannot be resolved or is not a type This line seems to be the root of the problem: <%@ taglib uri="" prefix="c" %> Everything work yesterday perfectly. Anyone seen this before? Any ideas on how it can ...

11. jstl error

12. JSTL Core Library Error

13. error in jstl while writing c:if

14. JSTL error

15. JSTL error

16. error while running JSTL

sir i m using JSTL and i have written all the three files in proper in right manner ,,,,, that is .class file , .tld file and .jsp file but it is giving the error ......... org.apache.jasper.JasperException: Unable to compile class for JSP An error occurred at line: -1 in the jsp file: null Generated servlet error: [javac] Compiling 1 source ...

17. error in JSTL

18. error in tomcat4.1 and JSTL

19. JSTL 1.0 : forEach error

Did you try something simpler to see the tags work? Did you try using ${ } instead of <%= %> ? Your code snippet doesn't show what scope allData is declared in. If you've got some existing jsp's and you're trying to slip in some jstl as a starting point, your allData list is ...

20. Using JSTL in scriplets - compile error

21. JSTL Error cannot be resolved

23. ERROR : using jstl tags in websphere 4

24. javac error JSTL on jboss

25. JSTL error

26. JSTL - Collection Size gives error

27. jstl error

28. getting error with JSTL tags

29. jstl forEach : Error

Hi, i'm trying to use jstl in my application. i've taken an example from the head first series book for forEach tag. JSP code : <%@ taglib prefix="c" uri="" %> Movie List :

Servlet code : String[] movieList = {"Amelie","Return of the king","Mean Girls"}; req.setAttribute("movieList",movieList); when i ...

30. JSTL problem/error

The capitalization is causing your problem. This sometimes happens when your bean properties have names that start with a single lower case letter followed with an upper case letter. If it's difficult to change the accessor name at this point, you might want to consider writing a wrapper method such as getRemoteStore() which simply calls and returns the value of getRStore(). ...

31. JSTL error

<%@ page contentType="text/html" %> <%@ taglib prefix="c" uri="" %> <%@ taglib prefix="x" uri="" %> <%@ taglib prefix="fmt" uri="" %> <%@ taglib prefix="sql" uri="" %> <%@ taglib prefix="fn" uri="" %>

32. Unknown Error in JSTL I guess.

Hello all, this is the WebAgentAction class. i dont see any error with it. There is a getter and setter for email in the WebAgent class. So I do not know what is wrong with it. Even if I tried to save the email address using the JSTL save button. there is a Null in the database for email. So it's ...

33. Error in using JSTL EL functions

34. JSTL Error in Weblogic 7.0

Hi, I have copied jstl1.2.jar under WEB-INF/lib directory and referred my tab lib in jsp like this...<%@taglib uri="" prefix="c"%>. But am getting the following error... cannot load TLD: weblogic.xml.dom.ChildCountException: missing child tagclass in tag Is taglib entry in web.xml for this...If yes, how to set this in web.xml because the .tld files are inside jstl1.2.jar file. Please help.

35. Error in JSTL

36. Error while executing JSTL

Hello , <%@page isELIgnored='false' %> <%@ taglib uri="/core" prefix="c" %> List of Locations :

I am dispatching my request from a servlet to the jsp page shown above , but while executing this page , it ...

37. JSTL code error

38. JSTL error

39. JSTL validation error

40. JSTL tag error

41. JSTL error

44. JSTL for loop error

46. JSTL lexical analysis error

48. Error in jsp when making jstl change

49. Error with getString() method in

I was writing a code to save and get the content of users uploaded file: //Create a factory for disk-based file items FileItemFactory factory = new DiskFileItemFactory(); //Create a new file upload handler ServletFileUpload upload = new ServletFileUpload(factory); //Parse the request List items = upload.parseRequest(arg0); //Retreive the file just uploaded Iterator itr = items.iterator(); FileItem item = (FileItem); File saveTo ...

50. [SOLVED] error messages

51. JSP Error

52. error

53. i have error

Hi All' I am Charu. I have a this type of error for saving data in database through user input. Error is as below: A Servlet Exception Has Occurred java.lang.NullPointerException at org.apache.jsp.sample$jsp._jspService(sample$jsp.j ava:97) at org.apache.jasper.runtime.HttpJspBase.service(Http at javax.servlet.http.HttpServlet.service(HttpServlet .java:1264) at org.apache.jasper.servlet.JspServlet$JspServletWra pper.service( at org.apache.jasper.servlet.JspServlet.serviceJspFil e( at org.apache.jasper.servlet.JspServlet.service(JspSe at javax.servlet.http.HttpServlet.service(HttpServlet .java:1264) at ternalDoFilter( at Filter( at org.apache.catalina.core.StandardWrapperValve.invo ke( at ...

54. JSP validation error

it's possible if the username, key , and session are not set, or missing from teh request and session, that these would be null, which generates that NullPointerException on line 7. for strings [read from a request parameter, session variable], we always need to test if they are not null first [code] if( (username == null || username.equals("")) || (password == ...

55. equals error

57. Please solve my java.lang.NullPointerException error.?

Guys i got file enroll.jsp while executing that i got java.lang.NullPointerException. So please solve this, my code as follows Java Code: //enroll.jsp// <%@ page import="INCLUDES.DBConnection"%> <%@ page import="java.sql.*"%> <%@ page import="*"%> <%@ page import="java.util.*"%> <% int course_id=Integer.parseInt(request.getParameter("course_id")); int no_of_papers=0; String statement=""; try { statement="select no_of_papers from x_masterListOfCourses ...

59. Generated servlet error

60. Error: javax.servlet.ServletException: Column not found

login validator <%@ page import="javax.servlet.*" %> <%@ page import="javax.servlet.http.*" %> <%@ page import="java.sql.*" %> <% Connection con = null; String username = request.getParameter("username"); String password = request.getParameter("password"); String DbPassword = ""; String DbUserName=""; try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); con=DriverManager.getConnection("jdbc:odbc:KellySource", "java", "javaclass"); Statement stmt = con.createStatement(); ResultSet rs = stmt.executeQuery("select * from Registration"); while( { DbUserName=rs.getString(username); ...

61. Error in JSP

im not entirely sure, but I think some time ago they changed the JSP to require you to use a package for all the things that are used with tag. So, can you try to change your class to be in any package, not the default top level no package. e.g. I usually use "jsp" or "web" as my generic ...

62. Error execute command through jsp

63. Keep getting this error msg... Please help?

Hello Everyone.. I keep getting the following message: ')' Expected but I don't know why.. The Method is as follows: public void createTechnologyList(int applicationID) { dropDown.addToWhereAnd("TechnologyType IN (SELECT TechnologyType FROM Site WHERE ApplicationID=" + applicationID + "AND TechnologyType" = 1 ") "); dropDown.retrieve(); resetCounter(); items = dropDown.resultSet(); } Could you please help? Thanks in advance Kets

64. how to solve errors?

65. any one help me to resolve this error

66. error

can anyone explain to me about this error:confused: Mar 22, 2011 3:21:35 PM org.apache.catalina.core.StandardContext reload INFO: Reloading this Context has started Mar 22, 2011 3:21:36 PM org.apache.catalina.core.StandardContext reload INFO: Reloading this Context has started SQL = SELECT document FROM test1 WHERE doc_no = null com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorEx ception: You have an error in your SQL syntax; check the manual that corresponds to your ...

67. hello.jsp error 500 urgent help

I am trying to do the Helloworld webwork program. The code can be found at I am new to jsp and webwork.. WebWork - WebWork - Lesson 1 - Setting up webwork in a web application I am getting error as HTTP 500 error as type Exception report message description The server encountered an internal error () that prevented it from ...

68. when i implement forward it shows the error in server

when i implement forward it shows the error in server. with out forward it work fine but when i implemented the forward to another it shows errors in server. SEVERE: Parse Error at line 122 column 23: The content of element type "action-mappings" must match "(action)*". org.xml.sax.SAXParseException: The content of element type "action-mappings" must match "(action)*". this is my struts file: ...

69. HTTP stauts error

Hey guys, how to fix this error HTTP Status 500 - -------------------------------------------------------------------------------- type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException org.apache.jasper.servlet.JspServletWrapper.servic e( org.apache.jasper.servlet.JspServlet.serviceJspFil e( org.apache.jasper.servlet.JspServlet.service(JspSe javax.servlet.http.HttpServlet.service(HttpServlet .java:810) root cause java.lang.NullPointerException org.apache.jsp.web.jsp.familyhistory_jsp._jspServi ce( org.apache.jasper.runtime.HttpJspBase.service(Http javax.servlet.http.HttpServlet.service(HttpServlet .java:810) org.apache.jasper.servlet.JspServletWrapper.servic e( org.apache.jasper.servlet.JspServlet.serviceJspFil e( org.apache.jasper.servlet.JspServlet.service(JspSe javax.servlet.http.HttpServlet.service(HttpServlet .java:810) note The full ...

71. Handling Error Messages?

72. JSTL error

73. error 530 error authentication required

74. Invalid Argument error in IE7

All, I have a very simple Javascript function for opening a popup window, however it fails in IE7 with an "Invalid Argument" error. It works fine in IE6, Opera and Firefox 2.0. The code is as follows: Code: function Validate() {"LoginWait.stm %LI"+SmtSysToBase64("?Username="+document.Form.Use rname.value+"&Password=" lue+"&RNum="+(new Date()).getTime()), "_top"); } The error line and character of the error is always character 2 of ...

75. Error HTTP 404

76. Error when i try to test jstl

SEVERE: Servlet.service() for servlet jsp threw exception java.lang.ClassNotFoundException: org.apache.taglibs.standard.tlv.JstlCoreTLV at org.apache.catalina.loader.WebappClassLoader.loadClass( at org.apache.catalina.loader.WebappClassLoader.loadClass( at org.apache.jasper.compiler.TagLibraryInfoImpl.createValidator( at org.apache.jasper.compiler.TagLibraryInfoImpl.parseTLD( at org.apache.jasper.compiler.TagLibraryInfoImpl.( at org.apache.jasper.compiler.Parser.parseTaglibDirective( at org.apache.jasper.compiler.Parser.parseDirective( at org.apache.jasper.compiler.Parser.parseElements( at org.apache.jasper.compiler.Parser.parse( at org.apache.jasper.compiler.ParserController.doParse( at org.apache.jasper.compiler.ParserController.parse( at org.apache.jasper.compiler.Compiler.generateJava( at org.apache.jasper.compiler.Compiler.compile( at org.apache.jasper.compiler.Compiler.compile( at org.apache.jasper.compiler.Compiler.compile( at org.apache.jasper.JspCompilationContext.compile( at org.apache.jasper.servlet.JspServletWrapper.service( at org.apache.jasper.servlet.JspServlet.serviceJspFile( at org.apache.jasper.servlet.JspServlet.service( at javax.servlet.http.HttpServlet.service( at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( at org.apache.catalina.core.ApplicationFilterChain.doFilter( at org.apache.catalina.core.StandardWrapperValve.invoke( at org.apache.catalina.core.StandardContextValve.invoke( at org.apache.catalina.core.StandardHostValve.invoke( at org.apache.catalina.valves.ErrorReportValve.invoke( ...