servlets Questions

2

Solved

I want to store the Image into my Server side Database. Once the user draw using canvas and hit a Submit button , Canvas Element should be converted to image format and then I want to store that Im...
Orography asked 29/2, 2012 at 5:18

3

Solved

I use jQuery DataTables and get this warning message: DataTables warning: table=userTable - Invalid JSON response A servlet fetch users from MySQL which I want to display in a jQuery Datatable...
Melamine asked 7/11, 2015 at 11:26

8

I'm developing a servlet that receives a multipart request with content of multiple files, and I'm using apache commons file upload libraries. When I call parseRequest(request); method servlet thr...
Yorgen asked 23/5, 2010 at 16:16

4

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I have the following servlet code public void doPost(HttpServletRequest request, HttpServletResponse response){ Backup bup = new Backup(); bup.doBackup(); response.setContentType("text/html")...
Pressley asked 24/6, 2009 at 6:30

5

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Below is a stacktrace I get when my rest service tries to fetch a large data set (database and tomcat are on my local machine, so everything is local). It works on smaller ones, but in some cases u...
Chair asked 15/9, 2014 at 15:58

2

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So I am using HAProxy in front of Jetty servlets. The goal at the moment is just proof of concept and load and stress testing once everything's configured. However I have a problem configuring hapr...
Fingered asked 17/9, 2014 at 9:24

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I have this big issue. My current session is gone every time I made a new request to Server. I have checked in a lot of places. I can't find what's the problem. I also have included session-config...
Zeller asked 26/1, 2010 at 8:39

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My Eclipse project is suddenly no longer deploying properly. I can't trace it to any particular change I've made to the environment. I have tested with multiple source-controlled projects and they...

4

When I use eclipse to create webapp with maven using "maven-archetype-webapp", it creates only Servlet 2.3. How can I create Servlet 3.0?
Monkish asked 28/7, 2013 at 16:58

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I am having a problem while compiling my project in Eclipse. It is showing the error The import org.apache.commons cannot be resolved. Please tell me what does this error means and how to solve it...
Linolinocut asked 30/1, 2013 at 17:10

3

I used to run my JavaEE applications on GlassFish server, and there was no problem with the encoding type (UTF-8) since I added the following property in JVM Settings of the server: file.encoding ...
Beller asked 3/7, 2015 at 11:4

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I have been looking at solutions for sharing session data between mutliple war files. I came across the following solution http://www.fwd.at/tomcat/sharing-session-data-howto.html The basic idea o...
Shiverick asked 24/2, 2012 at 19:21

10

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I'm having trouble starting my Tomcat server, it used to work, but I did something wrong and now it throws me this exception: Caused by: java.lang.IllegalArgumentException: The main resource set s...
Bullock asked 31/8, 2014 at 18:40

12

I am using ORACLE database in a windows environment and running a JSP/servlet web application in tomcat. After I do some operations with the application it gives me the following error. ORA-125...
Brunswick asked 29/11, 2012 at 11:11

6

I build a very large POI workbook, on my web server. Holding the entire workbook in memory , will not scale for multiple concurrent requests. Is there a way i can progressively write the workbook t...
Ammerman asked 20/4, 2010 at 8:49

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We are currently in the process of migrating our application to Spring Boot 3. We have been using the Commons FileUpload streaming API to directly load large multipart files into a remote file shar...
Truck asked 20/6, 2023 at 18:5

3

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The Servlet I'm working has a variable session. I've tried session.invalidate();, this seem to have destroyed session but when I do a redirect like so response.sendRedirect("restanes.jsp");, it gi...
Slone asked 20/12, 2012 at 0:55

4

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Hello I am trying to connect to a mysql database via a java servlet using eclipse and tomcat, but I take the following error: "WARN: Establishing SSL connection without server's identity verificati...
Appointed asked 25/9, 2016 at 17:9

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Whenever I print something inside the servlet and call it by the web browser, it returns a new page containing that text. Is there a way to print the text on the current page using Ajax? I'm very n...
Cinelli asked 6/11, 2010 at 10:12

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Solved

How can I use a Servlet Filter to change an incoming URL from http://nm-java.appspot.com/Check_License/Dir_My_App/Dir_ABC/My_Obj_123 to http://nm-java.appspot.com/Check_License?Contact_Id=My_Obj_12...
Monody asked 27/4, 2010 at 20:59

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I want to develop with Servlets in Eclipse, but it says that the package javax.servlet / jakarta.servlet cannot be resolved. How can I add javax.servlet / jakarta.servlet package to my Eclipse proj...
Sansbury asked 2/11, 2010 at 10:4

1

"<?xml version="1.0" encoding="UTF-8"?>" In this I'm getting error in this line Description Resource Path Location Type Referenced file contains errors (j...
Farr asked 25/10, 2023 at 16:41

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I am working on a web service host application in which using cxf with spring boot. when I register cxf servlet with following code web service side works and I can see published wsdls. However a...
Industry asked 29/6, 2016 at 6:13

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I am trying to make a get request from the GWT servlet to get JSON response from a web service. Following is the code in my servlet : public String getQueData() throws IllegalArgumentException { ...
Orchid asked 12/3, 2012 at 8:43

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In a typical servlet environment, each request gets its own thread. Adding logging MDC to generate a unique request ID to the request can be achieved with a simple servlet filter. public void doFil...
Intellect asked 4/2, 2024 at 18:36

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