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Newest 'java' Questions - Stack Overflow
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1,919,208 questions
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0
votes
0
answers
28
views
Composite generic validator in java
After a long time working on TS, I'm back to Java (sadly)
I'm trying to create a composite validator for a set of APIs. The generic interface is:
public interface APIValidator<Input, Context> {
...
0
votes
0
answers
18
views
RestClient POST response is encoded/garbled (Spring Boot 3.5)
I am trying to submit a POST request to an API to get a JSON payload in Response. My application is a Spring Boot 3.5 application. I am using RestClient to make the request. The request is accepted ...
0
votes
0
answers
11
views
Strip payment intent attached on stripe
Is there a way to create a form just fetch customer info card like last4 digit, brand_name, address without create anything . I first can fetch by checkout session form, but it need to create ...
1
vote
0
answers
41
views
Can Connect to Database in IntelliJ Client but not in Java Source Cod
I have no idea what the problem is.
I have a dummy user as below:
user test
pass password
host localhost
port 3306
… and I want to connect to the existing schema test.
The IntelliJ database ...
0
votes
1
answer
26
views
Read user input in app generated by jpackage
I am using jpackage to convert a Java application into an executable .app file.
When running on macOS, as shown below, the application cannot read user input.
open -n /Applications/MyApp.app
The ...
0
votes
1
answer
16
views
Snowflake Stored Procedure Returns No Results via JDBC but Works in Web UI
I'm attempting to invoke a Snowflake stored procedure from my Java application, but I consistently receive the following error:
"Stored procedure execution error on line 1 position 20: Missing ...
1
vote
1
answer
46
views
How to write polymorphic function extending abstract class which implements an interface generic function?
I'm trying to implement Observable pattern with an abstract class (so that my subclasses don't provide a common implementation). I want polymorphic functions for different Observer types.
I have an ...
1
vote
1
answer
50
views
Data corruption with high throughput
I wrote a small client-server system with Netty. The client(s) send messages to a server, and the server responds with an ACK once the message is processed. This ACK contains an ever incrementing ...
0
votes
0
answers
43
views
How to disable specific Spring components only during Maven test runs without using @ActiveProfiles in every test?
I am working on a Spring Boot (3.5.3) application with Maven (3.9.10) where I have some components (e.g. initializers) that break certain tests. I want to disable these components only when running ...
0
votes
0
answers
22
views
Query parameters was not validation-checked using an API automatically generated by OpenApi
I used OpenApiGenerate to automatically generate the following API.
default ResponseEntity<List<Patient>> getPatients(
@Max(9999999999L)
@Parameter(name = "...
-5
votes
0
answers
37
views
JVM optimization techniques to scale large cross-product apps with Timefold algorithm [closed]
Let's say that I have a timetable generation app (with Java 21 and Timefold 1.9.0) that involves over 5000 entities consisting of lessons, student groups, rooms, timeslots, constraints (10-20 to be ...
-5
votes
0
answers
67
views
JUnit6 test how to? [closed]
How do I write JUnit 6 unit tests in Java? Is it yet too early to ask?
I cannot find any documentation but the maven repository has a first (and even a second) milestone
How would a basic test look ...
-2
votes
0
answers
36
views
Class not found exception while running a java dockelet for doc generation [closed]
I created a docket class in mypack/lib/xstemplate/docgen and compiled the class I can see the class file in same directory but giving an error while running the docket. I am using Mac OS
javadoc -...
0
votes
0
answers
24
views
Compacted files are written to the lowest datetime bucket among source part files instead of original part file system time
I’m working with Apache Flink 1.16 on an ETL job that reads data from Kafka and writes the output to HDFS in Parquet format. I’m using a FileSink with BulkFormat (ParquetAvroWriters), a ...
0
votes
0
answers
28
views
Selenium DevTools Page.printToPDF throws TimeoutException after a few seconds
I'm trying to download a PDF of a page using Selenium 4 with Chrome DevTools Protocol.
After calling driver.get(url), I wait for rendering to complete using:
Thread.sleep(60000); // wait for 1 minute ...
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