Servlet « Error « JSP-Servlet Q&A





1. Error when assigning value to a Double in Java Servlet    stackoverflow.com

I was debugging an error I was getting with a java servlet. I was assigning a value to a Double in the class, however occasionally when I ran the servlet I ...

2. Error in jsp and servlets    stackoverflow.com

Stacktrace:

org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:505)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:416)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:717)


root cause 

java.lang.NullPointerException
    org.apache.jsp.jsp.Report_jsp._jspService(Report_jsp.java:79)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 ...

3. How to rectify the following error while using Servlet?    stackoverflow.com

I am learning Servlets concept. Initially, I Tutorial referred to this link and working on the HelloWorld example. On submission of the JSP form with the name and age I get ...

4. Java Netbeans error    stackoverflow.com

I've been following the 'Netbeans E-Commerce tutorial', and have am currently on this step: http://netbeans.org/kb/docs/javaee/ecommerce/entity-session.html I have fully configured my Window 7 account as per that page, with NetBeans 6.9.1, Glassfish ...

5. How to solve stackoverflow errors in servlets?    stackoverflow.com

i have declared all of my variables and methods in public inside the (servletconn.java). i want to access that variables and methods from another one servlet(NewServlet.java), am creating an object using ...

6. XML parse Error javascript servlet    stackoverflow.com

I have a simple servlet application that sends XML response to JavaScript. When I check in my Firebug, This resposonse is received by JavaScript as

<valid> AT&T,0.51851370625875,0.97944711419669,Verizon,0.47641942539114,0.99005717081381,wifi,0.48596657869633,0.88912486160201 </valid>
Which is a perfectly valid ...

7. How to solve javax.net.ssl.SSLHandshakeException Error?    stackoverflow.com

I connected with VPN to setup the inventory API to get product list and it works fine. Once I get the result from the web-service and i bind to UI. And ...

8. firebug error : no element found    stackoverflow.com

1 client : send request to server via AJAX fn. 2 Server : response in form of text/xml and it works correctly only 1 or 2 times
...

9. error: how to print table using servlet?    stackoverflow.com

I am using Eclipse, Oracle 10g and Apache Tomcat. This is my 1st sample application, so I am trying to print table only. But it's not working. This is my source code. ...





10. error ajax and Jena    stackoverflow.com

When I try to call Jena using AJAX in my servlet I get this error:

java.lang.ClassNotFoundException: com.hp.hpl.jena.sparql.core.Prologue
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1516)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1361)
at fr.objective.blogomatic.semantic.web.ServletAjax.doGet(ServletAjax.java:40)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache 

11. How to fix Servlet as is not available error    bytes.com

while i am trying to execute struts basci prg i m getting this error. is it the problem with struts.config.xml file or what HTTP Status 404 - Servlet as is not ...

12. Download/jspsmart/servlet error    coderanch.com

Hi everybody, I hope i'm in the good forum ... I've just installed jspsmartupload to build a download jsp.I use Tomcat 1.4 At home, it's workin' fine with both upload and download. However when i install the semes jsp at my office, the download gets "crazy" and makes thisinternal error with Tomcat: getOutputStream has already been called for this response I ...

13. Generated servlet error:    coderanch.com

Hi all, I'm working on Eclipse 3.2 and using Tomcat 5.5 web server. When i'm trying to run a JSP page, its giving the following 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: Unable to compile class for JSP Generated servlet error: The ...

14. Generated servlet error:    coderanch.com

15. jsp-servlet error    coderanch.com

16. Servlet runner/304 error    coderanch.com





17. servlet causing jre error--- URGENT Pl help    coderanch.com

Dear Friends, I am having a peculiar problem. I am making a web application using servlets and jdbc. I have been writing code using jdbc for a long time now. I have win98 office 2000, jdk1.2,jsdk and use the access2000 db for development. I have recently installed mysql including the gui tool and the mysql driver and mysql. Ever since this ...

19. Pls help : I get error when i try to access servlet directly    coderanch.com

What I am trying to say is, when i try to access directly without going thro the first servlet, i get a "page not found" error message.i want to print my own error message and probably redirect the user to the login page again.but i am not able to do so. Originally posted by Subbu Aswathanarayan: Hi Everyone, I am writing ...

20. error in servlet    coderanch.com

21. Errors when running a servlet    coderanch.com

22. error in servlet    coderanch.com

24. javax.servlet.jsp does not exist? error    coderanch.com

25. Recursive Servlet Error    coderanch.com

27. Error in init() servlet methode    coderanch.com

28. Error when accessing to my servlet    coderanch.com

29. servlet not found error    coderanch.com

30. Error compoling servlets    coderanch.com

31. Servlet and SAX Error    coderanch.com

32. servlet error    coderanch.com

33. cannot find servlet - errors    coderanch.com

34. servlet error!!!    coderanch.com

35. help! strange error in servlet running    coderanch.com

36. Servlet Basic Error !!    coderanch.com

37. Servlet Error    coderanch.com

38. Weird Servlet Error    coderanch.com

Hi, I am not sure, whether this can be achieved any way. Somebody else may be able to come with brighter idea. But, why do you need to post the information - because as you are doing it from your application, nobody will be able to access the URL (unless you log it somewhere). So, a "HTTP Get" does not violate ...

39. getRequestDispatcher error in servlets    coderanch.com

40. Servlet problem getNamedDispatcher lead to a null pointer error    coderanch.com

for example : when u use getRequestURI it returns the complete path from where it was called, and when u use .getNamedDispatcher u must have(?) only the name of the mapped servlet that you want to call. So you must filter the URI to have only the name of the servlet that you want to call. That is why there's a ...

41. Servlet program error    coderanch.com

42. Servlet Error    coderanch.com

43. Head First Servlets program error    coderanch.com

44. Servlet Error    coderanch.com

45. servlet instantiation error    coderanch.com

46. servlet error building    coderanch.com

47. Error in Running Servlet online    coderanch.com

Hi, I have a couple of servlets running perfectly in my test environment(offline) with Tomcat4 & jre(1.4). But when I have uploaded the 'class' files to the server online it gives some error ( See Below ).Plz Help asap! The class files are : i) Access.class ii)Contact.class ================== ERROR ================== I) Error for servlet 'Access' : ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ type Exception report message ...

48. Servlet Error    coderanch.com

49. javax.servlet not found error    coderanch.com

50. error while running the servlet    coderanch.com

51. generating xls in servlet giving error    coderanch.com

52. servlet error    coderanch.com

53. Servlet Error    coderanch.com

54. jsp-servlet error    coderanch.com

55. Error in running servlet    coderanch.com

56. servlet not found error    coderanch.com

We will need a lot more information from you before we could give you any help with this. Post your deployment descriptor (web.xml file). Post your servlet's code. Tell us exactly where your servlet's class file is located. Post the URL that you're using when trying to access your servlet. Without all of that, people here can only make guesses.

57. Servlet JSP Link error    coderanch.com

58. Servlet error    coderanch.com

59. servlet error    coderanch.com

60. error in servlet    coderanch.com

hai... i am presently invovled in a project which concentrates on javax.comm package.and i have tried it and succeded in testing it statically.and in the phase have written servlet code for it extending capability for connectivity.but problem is that receiving error at DEPLOYING it in server side(APACHE TOMCAT 5.5.12).i dont knw wer to post th topic coz actually in dilema of ...

61. error in servlet    coderanch.com

this is my program import java.io.*; import java.sql.*; import javax.servlet.*; import javax.servlet.http.*; public class Retreive extends HttpServlet{ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ response.setContentType("text/html"); PrintWriter pw = response.getWriter(); String connectionURL = "jdbc :-o racle:thin:@localhost:1521:xe"; Connection connection=null; try{ Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); connection = DriverManager.getConnection(connectionURL, "SYSTEM", "remora"); Statement st = connection.createStatement(); ResultSet rs = st.executeQuery("Select * from student1"); while(rs.next()){ pw.println("Student No" + ...

62. Servlet Error Regarding    coderanch.com

63. error in executing servlet    coderanch.com

64. Servlet Exeption error    coderanch.com

Hi..I'm running my application on Tomcat5.5l Lately I encounter the following error in the catalina log file. I just wanted to ask, generally what will cause this type of error since I am not able to detect which part of the application that giving this error. Thank you in advance. Jun 23, 2008 1:18:18 PM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet ...

66. error in servlet due to reasons unknown    coderanch.com

68. Error executing servlet    coderanch.com

69. Servlet Error    coderanch.com

70. UrlRewriting+servlets -Error    coderanch.com

I am developing a java servlet program using url-rewriting and i have created three servlets and after entering first number by using FirstNumber.java servlet then when i press Next button it came up with messagw which says "The Requested resource is not available" here is the code FirstNumber.java package urlrewriting; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class FirstNumber extends HttpServlet ...

71. simple servlet program error    coderanch.com

73. Error:java.lang.NoSuchMethodError: javax.servlet.jsp.tagext.TagAttributeInfo    coderanch.com

Hi , I am getting above exception.I have stuck on this since last 2 days.Please help me out. Versions are tomcat 5.5, servlet 2.3, jsp 1.2 same thing is working on one machine and we are trying to create a replica on the other machine.But its giving this nasty error. Stacktrace is as follows, at org.apache.jasper.compiler.TagLibraryInfoImpl.createAttribute(TagLibraryInfoImpl.java:576) at org.apache.jasper.compiler.TagLibraryInfoImpl.createTagInfo(TagLibraryInfoImpl.java:401) at org.apache.jasper.compiler.TagLibraryInfoImpl.parseTLD(TagLibraryInfoImpl.java:248) at ...

74. servlet error    coderanch.com

75. generated servlet error :65535 size limit reached //jsp    go4expert.com

I am thinking of splitting that jsap file/// But Behold!! the file is generated dynamic (means other server generates and put the file in the path)... I have identifed a few things from this jsp which I suspect cause the jsp file size to increase : Array Name -- Start Line -- End line -- No of lines var xArray=new Array(" ...

76. how to remove this error    java-forums.org

You've written a class that extends "GenericServlet" (which contains the abstract method "service(request, response)") which you either have to implement or declare your class abstract (which is exactly what the exception says). But, if you are writing a simple web service, you shouldn't be extending GenericServlet anyway. You should be extending HttpServlet.

77. Can't trace where the error, need help    java-forums.org

Can't trace where the error, need help type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException: null org.apache.jasper.servlet.JspServletWrapper.handle JspException(JspServletWrapper.java:460) org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:373) org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:329) org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:265) javax.servlet.http.HttpServlet.service(HttpServlet .java:803) com.jenkov.servlet.multipart.MultipartFilter.doFil ter(MultipartFilter.java:75) root cause java.lang.NumberFormatException: null java.lang.Integer.parseInt(Unknown Source) java.lang.Integer.parseInt(Unknown Source) com.bizmann.prosesdoc.controller.DocumentControl.i sDocumentDeleted(DocumentControl.java:1624) org.apache.jsp.search.searchdocname_jsp._jspServic e(searchdocname_jsp.java:283) org.apache.jasper.runtime.HttpJspBase.service(Http JspBase.java:98) javax.servlet.http.HttpServlet.service(HttpServlet .java:803) org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:331) ...

79. SEVERE: Error filterStart    java-forums.org

80. ORA-01460 error    java-forums.org

81. Java Servlet : Error    java-forums.org

I write the following code for accessing the last record from the table By this code i want to auto increment the Item_ID field . Type of Item_ID field is varchar i face the problem that : this code is not executed, i am getting error in this statement,i have properly tested the following code - Item_ID = rs.getString(1); protected void ...

82. 6 Errors in my first servlet prog..help pls    java-forums.org

It is so simple to resolve. The thing which we have to do is just set the CLASSPATH . To set the CLASSPATH we need servlet-api.jar file, How to set the classpath: goto mycomputer icon->right click on it-> select properties-> choose tab advanced-> select environment variables-> in the user variables click new type CLASSPATH in first field and in second paste ...

83. My first servlet gives error when executed    forums.oracle.com

85. Servlet.jsp error    forums.oracle.com

87. Servlet error    forums.oracle.com

I am getting the below error in servlet.Can anybody help me in solving this. java.lang.ClassNotFoundException: filters.SetCharacterEncodingFilter at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1363) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1209) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:207) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:302) at org.apache.catalina.core.ApplicationFilterConfig.(ApplicationFilterConfig.java:78) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3635) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4222) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022) at org.apache.catalina.core.StandardHost.start(StandardHost.java:736) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:448) at org.apache.catalina.core.StandardServer.start(StandardServer.java:700) at ...

88. Servlet Error    forums.oracle.com

89. Error While trying to run a servlet    forums.oracle.com

91. Error when getting collection from servlet.    forums.oracle.com

92. Servlet Error    forums.oracle.com

93. HOW TO SOLVE THIS ERROR (SERVLETS)    forums.oracle.com

94. re: error while calling servlet    forums.oracle.com

95. Servlet Error    forums.oracle.com

Of course I can help you, because I know EXACTLY what your problem is even though you haven't posted it and I know EXACTLY what the relevant part of your code is even though you haven't posted it. It's called a crystal ball, and I'm one of the lucky few to have one. This error stems from your computer's hardware having ...