Which @NotNull Java annotation should I use?

I'm looking to make my code more readable as well as use tooling like IDE code inspection and/or static code analysis (FindBugs and Sonar) to avoid NullPointerExceptions. Many of the tools seem...

Editable Detail Template Kendo UI Grid

Update I have managed to get the form rendering (see image) with values and editor templates. Sorry for blacked out labels. NDA requirements... This now works across multiple rows because I am...

How do I call the default deserializer from a custom deserializer in Jackson

I have a problem in my custom deserializer in Jackson. I want to access the default serializer to populate the object I am deserializing into. After the population I will do some custom things but...

Intellij IDEA : How to validate XML SCHEMA 1

I am trying out XML SCHEMA 1.1 in IDEA 13.02 with JDK 7 This is an XML schema code I got from a tutorial. When I open this file in IntelliJ IDEA and click "Validate" , I get the following...

Intellij Idea taking forever to resolve maven dependencies

I am using intellij idea ultimate version 12.1.4 and trying to use maven with a project. Here is my pom.xml: <?xml version="1.0" encoding="UTF-8"?> <project...

Shadow space example

EDIT: I have accepted an answer below and also added my own with my final revision of the code. Hopefully it shows people actual examples of Shadow Space allocation rather than more words. EDIT 2:...

How re-run failed test in Espresso? - brainstorming

I am trying to figure out, how to re-run failed tests with usage of Espresso. I think it's a bit more complicated from common JUnit test case as you need to restore status in your app from before...

Validating a dropdown bound to a SelectList object using data annotations

I'm trying to follow best practices for validations in ASP.NET Core. I have a contact form with the page bound to a view model. Model public class ViewModel { ... [Required(ErrorMessage =...

Is there a way to highlight text inserted since the last commit in IntelliJ in the Editor?

I'm talking about getting the same effect you get when you commit/merge/diff and are reviewing your changes. I would like to have code I added to be highlighted. Right now if you go under VCS,...

JAXB unmarshall fields are null after updating Java from 1.8.0_45 to 1.8.0_131

I know this is almost identical to many other posts e.g. https://stackoverflow.com/questions/41850384/jaxb-doesnt-unmarshall-after-updating-java-from-1-8-0-77-to-1-8-0-121 but none of those...

Swagger codegen ignore null fields for POJO classes

I'm making a REST API and I would like to add at the class generation the Jackson annotation to ignore null fields, so I would like to add this annotation onfly for certain classes, not for the...

Field authenticationManager in *** required a bean of type 'org.springframework.security.authentication.AuthenticationManager' that could not be found

I have following class: @Configuration @EnableAuthorizationServer public class AuthServerConfig extends AuthorizationServerConfigurerAdapter { @Autowired private AuthenticationManager...

Property 'sqlSessionFactory' or 'sqlSessionTemplate' are required in spring mock mvc test for spring boot with mybatis

the demo project location https://github.com/soliders/mockmvctest-ofspringboot-withmybatismapper https://github.com/soliders/mockmvctest-ofspringboot-withmybatismapper.git explain: the demo use...

@PostConstruct not called during page load of JSF page

I've got an xhtml page which uses a backing bean to get it's information. In this backing bean I've got a method defined with a @PostConstruct annotation. However this method is never called and I...

How to do try catch and finally statements in TypeScript?

I have error in my project, and I need to handle this by using try, catch and finally. I can use this in JavaScript but not in Typescript. When I put *Exception* as argument in typescript catch...

@MicronautTest does not start the embedded server

I am writing a Spock test for controllers in an app using Micronaut. When using @MicronautTest(application=Application), it throws exception with message @MicronautTest used on test but no bean...

Hibernate:Could not read entity state from ResultSet and IllegalArgumentException:GregorianCalendar.computeTime

I'm beginner in JPA and hibernate and I'm just trying to fetch some data from my DB via hibernate but I failed and I got this error : Apr 29, 2019 5:14:28 AM...

Using aspectJweaver while running testNG tests programatically

I am using a java class to generate testNG xml dynamically from an excel file. I am using allure-cli to generate allure reports at the end of my test execution. I am using maven-surefire-plugin...

Spring boot application not loading the Swagger rest services due to circular references

We have a Spring Boot application with 300 Rest Services for which we are trying to generate a Swagger Documentation. We integrated Swagger and added the required Json parameters to the Pojos....

how to slove Failed to start component [StandardEngine[Catalina].StandardHost[localhost]?

when I run my tomcat server sometimes it gets errors like Failed to start component [StandardEngine[Catalina].StandardHost[localhost] and Unable to complete the scan for annotations for web...

How to do Event-Driven Microservices with quarkus and smallrye correctly

Dears, I am trying to do some kind of event-driven Microservices. Currently, I was able to consume a message from Kafka and update database record when message is received using Quarkus &...

Consider defining a bean of type 'UserConverter' in your configuration

I don't know what happend with my spring boot application but now I can't to start it because of an error: *************************** APPLICATION FAILED TO...

lateinit property mock object has not been initialized

I'm trying to initialize (by mocking) two objects with the annotation @MockBean It seems only to work if i call the method mock(className), but since i want to use the mocked class on multiple...

TypeError: Could not build a TypeSpec with type KerasTensor

I am a newbie to deep learning so while I am trying to build a Masked R-CNN model for training my Custom Dataset I am getting an error which reads: TypeError: Could not build a TypeSpec for...

How do I configure spring security 5.4.1 via xml such that oauth2 logout works correctly?

I'm attempting to convert our web app that currently uses basic authentication to use oauth2 instead. In preparation for this project I upgraded our Spring and Spring Security from v3 to v5 so we...

How to shift matplotlib annotations after creating them?

I have the following code to produce a arrow using ax.annotate(): import numpy as np import matplotlib.pyplot as plt fig, ax = plt.subplots() t = np.arange(0.0, 5.0, 0.01) s =...

Adding decorate_annotation to vertical joined upset plots within ComplexHeatmap package

I am using the UpSet function from the ComplexHeatmap package and I am trying to add annotation to the graph. In the really good how-to, they describe the extra step to plot the counts next to the...

android:exported needs to be explicitly specified for <activity>. Apps targeting Android 12 and higher are required to specify

After upgrading to android 12, the application is not compiling. It shows "Manifest merger failed with multiple errors, see logs" Error showing in Merged manifest: Merging Errors: Error:...

Problem trying to display custom error pages with Spring Boot

I'm maintaining a Spring Boot Application that uses Swagger to define Rest web services and uses Maven for dependency management. It uses an application.yml file for properties. By default, when...

What is a "SupportsIndex"?

I was reading the Python doc for typing and annotations, and I found a protocol named SupportsIndex. Is this a special type for indexage in lists? I tried using it in a code in case it would raise...