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105 views

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import javax.swing.JFrame; import javax.swing.JPanel; import ...
Score of -4
0 answers
51 views

I have a Spring Boot microservices project where service-to-service communication is currently secured using a client-id and client-secret generated by an authentication service. The problem is that ...
Score of 1
0 answers
70 views

I use Spring Boot 4.1.1 with OTEL org.springframework.boot:spring-boot-starter-opentelemetry and gRPC org.springframework.boot:spring-boot-starter-grpc-client/server starters. In my project two ...
Score of 0
2 answers
168 views

I maintain a Java library and want to add a facility for user-defined extensions to a class, so that users of that class can attach extensions of their choice to any instance of that class. The ...
Score of 4
3 answers
102 views

I have difficulties in understanding the semantics of JSpecify and its annotations. Assuming I have package-info.java that contains: @NullMarked package my.pkg import org.jspecify.annotations....
Score of -6
0 answers
107 views

Executors.newVirtualThreadPerTaskExecutor is using default scheduler and it multiplexes on platform thread of default size as 256 thread (jdk.virtualThreadScheduler.maxPoolSize). I have a multi-tenant ...
Score of 0
0 answers
65 views

We are reading a 2M+ record VSAM KSDS dataset from a Java Spark job via a custom REST API running on IBM z/OS Liberty. The Java client paginates using &offset=N&limit=5000. The job processes ...
Score of 2
2 answers
154 views

I'm trying to create a JPanel that uses a WrapLayout - which extends FlowLayout - to flexibly lay out its children and create a new row when needed. I have a JTextPanel at the end that creates a new ...
Score of 3
3 answers
152 views

Every time I've tried to rename a project, it either doesn't rename all the files which then messes up how my files are run. I've tried searching for the button on "Project Files", but none ...
Score of -2
0 answers
243 views

I have 2 different instances of java.util.regex.Pattern. How do I combine them so that both apply? My use-case is that I am building a search tool, and I am giving users the ability to add all sorts ...
Score of -3
0 answers
133 views

I have a Java Spring WebFlux application with several REST controllers and WebClient instances that communicate with external APIs. I need to implement HTTP traffic logging for debugging purposes, ...
Score of -2
2 answers
209 views

I am getting this issue on my Local setup when my response is processed using Gson. The code works on my test environment. I use Java 17. Failed making field 'java.time.LocalDate#year' accessible; ...
Score of 0
1 answer
103 views

Currently, when using a JTable, the tab key simply moves me to the next cell over. I don't want that behaviour -- instead, I want tab to move me to the JButton in the next panel over. How would I ...
Score of 0
1 answer
122 views

I'm struggling to get a Java 25 application to launch on Azure App Service (Web App). looking at the logstream, I'm seeing... 2026-09-06T23:24:09.4154676Z ... 117 common frames omitted 2026-09-...
Score of 1
2 answers
245 views

Some interfaces such as Gatherer.Integrator are marked as @FunctionalInterface, but the Gatherer interface, which too has only one abstract method is not marked as such. Any idea why? I understand why ...

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