enter image description here I added nattable configLabel to add background color. But what if you want to display the blue color at the top when multiple background colors are combined? Answer The labels are managed in a LabelStack. The labels are interpreted top-down. That means if multiple labels are appli…
Tag: java
How to parse ISO-8859-1 encoded Form Data in Parameters in Jmeter?
I am using Jmeter for recording my Application. I used Recording Controller template in Jmeter. When I tried to execute my script, I am getting an error message as Response code:400 & Response message:Bad Request. Could someone please help me how to read ‘Form Data’ in Request body? I have tri…
Java Thread is blocked in join()
I have the following simple code in which I put and take from a Queue represented as an ArrayList. I don’t understand why my thread is blocked in join() method. From main I call as follow: Answer Without running it… The close() method holds lock at the time it calls thread.join() and waits on thre…
Template might not exists
Im trying to call restapi and im getting error org.thymeleaf.exceptions.TemplateInputException: Error resolving template [view-fields], template might not exist or might not be accessible by any of the configured Template Resolvers at org.thymeleaf.engine.TemplateManager.resolveTemplate(TemplateManager.java:8…
How to deal with ResolutionException?
I’m trying to use Java Modules in my Spring Boot project and I’m getting the following exception: How can I solve this problem? Answer Try using JDK8 to run this code. It seems to be a compatability issue Edit: The root cause is that this package has been removed. (https://jcp.org/en/jsr/detail?id…
NPE while running test in Spring application (JUnit 5, Mockito 3, Spring JPA repositories)
I’m running a basic Spring App with Mockito 3.1.0 and and Junit 5.5.2. I have a Service call that includes two Spring Data JPA repositories. These are passed into the constructor for DI (along with two others that are immaterial – I’m including them in case they could also, potentially, cause erro…
How do I link a native library to a Java project in VSCode?
I’m using LWJGL which has native libraries for my project to use. My question is how do I add native libraries to a Java project in VSCode? Also, when I created the project I selected the “no build tools” option if that’s helpful. Answer If you don’t maven or gradle in your proje…
Mockito: Verify if a method specified in any thread got executed?
I have a method like the following one : Upon verification that the component.runJob() method is being executed it is throwing an error stating that Wanted but not invoked: component.runJob() Actually, there were zero interactions with this mock. How do I fix this? And verify if the thread is starting & e…
error: Not sure how to handle insert method’s return type
So I’m trying to use Executor execute the Dao’s in my android app, but when I created the Executor, it said it required the method being run to have a Runnable return type? So I made them all return Runnable, but now Android Studio gives me the error: Dao: Repository: Dao_Impl I’ve been told…
How to make an integration test with one transaction for all database calls and rollback it afterwards?
I’m, writing an integration test, annotated with @SpringBootTest. Suppose I create some product using pure SQL from my test, call calculation service that do some calculations based on it, and it calls another service to save those calculation results in different tables. What I need is to rollback all …