I have a server to which I want to send post requests in the form of json in Java. But after sending, it gives the answer: “KeyError: 400 Bad Request: The browser (or proxy) send a request that this server could not understand.”. No matter how I change the data, it still gives this error, and the …
Tag: post
Java API POST Call with special characters
I currently have a POST call with HTTPClient framework using JAVA, the method is not ours and i have found an interesting problem with the special characters. The call is sending a JSON Object, not using URL parameters. The call works well in my code and in postman but, if I put some special characters in the…
Spring @Valid Message Not Coming Through in Response
I have a CQRS Rest API using Spring and Axon. Validation is setup for inputs using the javax.validation library. The validation is working properly, and catching that the ‘username’ needs to be at least 2 character long. However the message associated with the failed validation is not showing up i…
AXIOS POST Response Fetch
I have a React ui which is supposed to communicate with the backend and fetch data. Backend works well and here is its response to my request: while I receive this error in my React for the same request. The url is the same, the parameters are in place but still there is an error and I am not able
Spring POST Method Microservice 500 exception
So, im trying to write a microservice with basic GET POST PUT DELETE commands. Its a Spring Maven Java programm with a mysql server When I try to post something it works, however if I dont include the Id it returns an exception: This is weird, because in the mysql console I can Insert a customer without the i…
Send a simple POST request from Quarkus/Java
I want to send a simple POST request to another application to trigger some action there. I have a quarkus project and want to send the request from inside my CreateEntryHandler – is this possible in a simple way? Or do I need to add something like Apache Httpclient to my project? Does it make sense in …
How to send post request in java with a JSON body
I am confused as to how to send a post request in Java with JSON parameters. I have seen many examples that use HttpPost library which I can not access. Below is my code: } class main { I am trying to pass the json in the main method (I know I am not doing it right), and was wondering
JSON parse error: Cannot deserialize instance of ArrayList
I’m trying to send a JSON to a POST bodyRequest service to use this information as a Java ArrayList or something like that. When I try to do it, I receive a deserialize error This is my JSON: {information: [ {fields: “Periods Offered”, tables: “Courses”, columns: “Academic …
Pass Hidden parameters using response.sendRedirect()
How would I pass hidden parameters? I want to call a page (test.jsp) but also pass 2 hidden parameters like a post. Answer TheNewIdiot’s answer successfully explains the problem and the reason why you can’t send attributes in request through a redirect. Possible solutions: Using forwarding. This w…
Posting image to wcf rest service from Android
I’m having a problem to post a image to my wcf rest service. I’m posting some parameters of which one of them is a base64 utf-8 encoded string (the image). My problem is that every time I post I get “bad request”. Here is the code It is something with the encoded string, but what? Answ…