I’m new to implementing web services and I’m doing it with jax-rs API using eclipse IDE for java-ee developers 2022. I have written a simple web service that returns a response object including a java object, which has been converted into XML using JAXB, when I run it on tomcat10 a 404 message get…
Tag: jersey
Java Jersery: How to handle multiple Queries Parameters for a REST URL with UriInfo
I have implemented a rest Query as shown below: How do I handle when multiple parameters Here instead of two strings, I am getting it as one single string. How should I handle it, should I split the parameter String by comma (,).? When Currently it is able to handle these endpoints. The Rest URL’s are A…
Jersey 1 @Inject migrated to Jersey 2 stopped working
I am doing a Jersey 1 to Jersey 2 migration of my system. In my code I had @Inject annotation from com.sun.jersey.spi.inject.Inject and @Singleton from com.sun.jersey.spi.resource.Singleton. I’ve changed these to javax.inject.Inject and javax.inject.Singleton. Since this change I am getting errors while…
Two implementations of one interface in Jersey/HK2, reuse first in other
I have an interface with a naive implementation, say I want to make a cache that caches the doIt, so I wrote a wrapper : Then, I add both implementations to my Binder: I get errors complaining about: org.glassfish.hk2.api.UnsatisfiedDependencyException: There was no object available for injection at SystemInj…
Jersey Client download ZIP file and unpack efficiently
So, I have a server application that returns ZIP files and I’m working with huge files (>=5GB). I am then using the jersey client to do a GET request from this application after which I want to basically extract the ZIP and save it as a folder. This is the client configuration: And here’s the c…
unable to retrieve image from mysql through rest api using java
My problem is deceptively simple but I am unable to find the answer. Through Java and JDBI, I am able to retrieve the image from MySQL database and store it locally. But when I try with a rest api, it is giving the error in the attached screenshot. I have searched for this quite a bit but am unable to
Get file resource in a Jersey 3
I am running a web application using Jersey. In my controller, I am trying to get a file in src/main/resources folder. My folder structure is: My gradle dependencies are: My code is: How do I get an InputStream for this file? Answer You can get it by servletContext.getResourceAsStream Add ServletContext using…
How to start a new backend web project in Eclipse with Gradle?
I have recently pivoted into backends and I have to create a backend for a web application. It will be with the following config: IDE: Eclipse Build Tool: Gradle (or Maven) Jakarta EE 9 REST Implementation: Jersey 3 Jakarta Servlet: 5.0 Server: Tomcat 10 Language: Java 11 Dynamic Web Module Version: 5.0 I tri…
Get object from .readEntity
I have a java service which calls an API and gets the following in return How can i use .readEntity (or something else) to get the object for a given field; say service2 Or just convert all objects inside status to a List<> of objects String output = response.readEntity(String.class); works, but i dont …
Restful way of sending Pre-Post or Pre-Put warning message
I am trying to convert a legacy application to Restful web-services. One of our old form displayed a warning message immediately on form load. This warning message depends on a user property. For …