How to accept both multipart and application/x-www-form-urlencoded? [duplicate]
I built a servlet that allows uploading a file or alternatively uploading a list as input. So far I've handled it by setting the servlet to accept multipart/form-data so even if there is no file, I...
View ArticleCannot find Jetty Server in Run/Debug Configuration in Intellij 2022
In Intellij 2022.1.1 Ultimate Edition doesn't have the place to configure Jetty Server for Run/Debug Configuration. How can i setup Jetty server in Intellij for web project run.I have use maven jetty...
View ArticleHow to handle HTTP 510, 598 and 599 error codes in web.xml
We use weblogic to deploy our application, the requirement is to handle all the server errors, in web.xml and have 500 through 510, 598 and 599. The specification of error codes - 510, 598 and 599...
View Article(httplog)-static: issbsettingenabled false android
I am developing Android app and running in Samsung J7. The problem is while running the app it show the error "(httplog)-static: issbsettingenabled false" is there any way to enable httplog true or an...
View ArticleTomcat cannot find jar in webapp's lib folder [duplicate]
Have a test servlet that connects to Mariadb jdbc connection.It's not finding the jar file that's in the WEB-INF/lib folder - the jdbc driver.If I save the jar file in catalina's lib folder, I get the...
View Articleredis.clients.jedis.exceptions.JedisConnectionException:...
While trying to use Jedis.get(key) while accessing the Redis using Jedis I'm getting this error.redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketException: Broken pipe (Write...
View ArticleHow to find out what web-container servers are runing on a machine?
How to find out what web-container servers are running on a machine?I have seen Find out on what web server a site is running which is a near duplicate.The difference is that the above question and...
View Articlejava.lang.ClassNotFoundException: org.postgresql.Driver in HttpServlet...
There is an error when I want to connect to a PostgreSQL database from a servlet connection, a ClassNotFoundException for the PostgreSQL driver, with some details about...
View ArticleGoogle Recaptcha v3 example demo
Until now, I was working with Google Recaptcha v2, but now I want to update my WebApp using the lastest version (v3).Is it possible to anyone add a fully working Google Recaptcha v3 example for a basic...
View ArticleHTTP Status 404 - on Eclipse with Tomcat
I am trying just to run a servlet on my local Tomcat with Eclipse. But I keep getting this error and do not have any idea what to do differently.I actually recorded it here :...
View Articlejakarta.servlet.ServletException: Error instantiating servlet class...
I am a beginner when workign with servlets.I am creating a servlet, but after running it, I am getting this error.Can anyone help me to resolve this?jakarta.servlet.ServletException: Error...
View ArticleHow to properly configure Jakarta EE libraries in Maven pom.xml for Tomcat?
I have been trying in vain to implement tomcat 9's jakarta servlet as opposed to the previous javax.servlet implementation (as its my understanding that the jakarta package is the way forward). The...
View ArticleLarge file download using Servlet with Streaming without browser buffering
I am developing a Java 8 servlet to download a zipped resource. The file size can vary significantly, sometimes reaching up to 700MB. For testing, I am using a 350MB ZIP file.The expected behavior is...
View Articleconfig.getInitParameter always return null
Why does config.getInitParameter(String) always return null in the following code example?public void init(ServletConfig config) throws ServletException{ super.init(config); filename =...
View Articletycho compiler-plugin cannot compile
When building an OSGI bundle with tycho, the compiler-plugin throws the following error: ...AnswerServlet.java:[307] resp.setCharacterEncoding("UTF-8") ^^^^^^^^^^^^^^^^^^^^^^^^The method...
View ArticleIssue regarding JSP Forward
In my code I am trying to forward my request by using below line<jsp:forward page = "<%=request.getContextPath()%>/Welcome.do"/>However its giving error...
View ArticleSession data is lost after submitting a form in servlet application
I'm working on a java servlet application on reset password function. The get method basically check a parameter email and check if the email valid. Then set the email as an attribute in the session....
View Articlecvc-elt.1: Cannot find the declaration of element 'web-app'
When I created new dynamic web project in Eclipse, automatically created web.xml showed the following error:cvc-elt.1: Cannot find the declaration of element 'web-app'and a red background on this...
View ArticleI got a java server online, on vercel, how to make request from it?
I have made a java server locally, it works perfectly with mysql db connection, i choosed to deployed it on vercel and make from it requests both from postman and also from the interface of the web app...
View ArticleApache Velocity - Resource not found exception
I have a requirement to generate some automated mails and so I wanted to use velocity for this task.I have copied all velocity jars to the lib folder and created a hello.vm template and placed in...
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