servlets

问题 I'm writing a Java desktop client which will send multiple files over the wire to a servlet using a post request. In the servlet I'm getting the input stream from the request to receive the files. The servlet will write the files to disk, one by one as they're read from the stream. The implementation has a couple of requirements: Only one HTTP request must be used to the server (so only a single stream) The servlet must use a reasonable fixed amount of memory, no matter what the size of the

问题 I'm writing a Java desktop client which will send multiple files over the wire to a servlet using a post request. In the servlet I'm getting the input stream from the request to receive the files. The servlet will write the files to disk, one by one as they're read from the stream. The implementation has a couple of requirements: Only one HTTP request must be used to the server (so only a single stream) The servlet must use a reasonable fixed amount of memory, no matter what the size of the

问题 This question already has answers here : When to use single quotes, double quotes, and backticks in MySQL (13 answers) Closed 6 years ago . I am currently having a problem selecting a certain item from a mySQL database. My program is designed to pass a parameter from an android application to a servlet which then queries the database. However an error appears on the console window: Unknown column '0102310c24' in 'where clause' There is only an error when the value I want to select contains a

问题 This question already has answers here : Why does Spring MVC respond with a 404 and report “No mapping found for HTTP request with URI […] in DispatcherServlet”? (11 answers) Closed 4 years ago . Morning, I already checked most of the answers to this problem (No mapping found for HTTP request with URI.... in DispatcherServlet with name) and also (No mapping found for HTTP request with URI [/ChickenTest/index] in DispatcherServlet with name 'dispatcherServlet') but I'm still getting "No

问题 I'm using Drowpizard 0.7.1, but perhaps I will upgrade to 0.8.4 very soon. Does anyone know how to add a admin resource to dropwizard, that is shown in Operational Menu like the example below? Operational Menu Metrics Ping Threads Healthcheck CustomAdminXy 回答1: I don't think you can do this easily. The AdminServlet is created when the ServerFactory is built. It may be possible to extend DefaultServerFactory and override createAdminServlet to create a custom Admin servlet with your links etc..

问题 I'm using Drowpizard 0.7.1, but perhaps I will upgrade to 0.8.4 very soon. Does anyone know how to add a admin resource to dropwizard, that is shown in Operational Menu like the example below? Operational Menu Metrics Ping Threads Healthcheck CustomAdminXy 回答1: I don't think you can do this easily. The AdminServlet is created when the ServerFactory is built. It may be possible to extend DefaultServerFactory and override createAdminServlet to create a custom Admin servlet with your links etc..

问题 This question already has answers here : The infamous java.sql.SQLException: No suitable driver found (16 answers) Closed 3 years ago . I have a problem with my progect. Files of progect: House.class public class House implements Serializable { //properties ------------------------------------------------------------- private String price; private String square; private String RoomNumbers; //------------------------------------------------------------------------ //getters - settersm Object

问题 This question already has answers here : The infamous java.sql.SQLException: No suitable driver found (16 answers) Closed 3 years ago . I have a problem with my progect. Files of progect: House.class public class House implements Serializable { //properties ------------------------------------------------------------- private String price; private String square; private String RoomNumbers; //------------------------------------------------------------------------ //getters - settersm Object

问题 I'm getting an error when trying to use a JavaWeb project using Glassfish 5.0. Everytime it tries to bring data from my SQL Database it gives me this error. StandardWrapperValve[ListadoPersonas]: Servlet.service() for servlet ListadoPersonas threw exception java.lang.NoClassDefFoundError: sun/security/ssl/HelloExtension Here is the servlet ListadoEstadosCiviles where I call the function which brings the data back from my database GestorPersonas g = new GestorPersonas(); ArrayList<EstadoCivil>

问题 This question already has answers here : How to run a background task in a servlet based web application? (5 answers) Closed 5 years ago . Having read a lot of different things and not being totally familiar with the correct terms for some of these things, I am wondering what the correct way is for creating threads at time of tomcat startup that have a specific purpose . I am using a linux system. I am not trying to create a thread from a servlet, and I have a good idea of why this is bad.