To serialize deserialize object I am useing Jackson as flow @JsonSerialize(using = LocalDateSerializer.class) @JsonDeserialize(using = LocalDateDeserializer.cl
When making a post request to my backend, I get the following error. I can't really find a fix online and am very new to Java. Here is the error: Caused by: jav
In Eclipse IDE, I add a JAR library using Project > Build Path > Configure Build Path... What is the equivalent in VisualStudioCode? I had a look into l
I'm using springfox-swagger-ui 2.8.0 which ships with Swagger UI 3.7.0. I want to get rid of the controller list in front of the api documentation page, pretty
In primefaces is possible start "ajax status" from a method of a backing beans? I have the following view: <ui:composition xmlns="http://www.w3.org/1999/xhtm
I use MDC for helping log4j loging more information. Everything works well until I updated java version to 11. This is my log4j config (pseodo code) log4j.appen
I installed Eclipse on my office pc, using this procedure (64 bit): https://portableapps.com/node/53284 But when i want to create a new project, it does not pro
I'm using the schemavalidate task of Ant to validate XML documents. <schemavalidate noNamespaceFile="${user.input.xsd}" file="${user.input.xml}"> <
Im trying to manage scheduled tasks using spring boot. I want to execute my job only one time at a particular date ( specified by the user ). Here is my Job :
I have task: "Check that each Color field has a color value (format string "#FFFFFF")". I have a solution: @Test public void sixTest() { Specification.insta
Is there a way to tune the DocLint (-Xdoclint) to allow new tags in javadocs? Right now i get errors like: error: unknown tag: checkstyle * @checkstyle Pa
I'm trying to create a Java mixin and use the @Slf4j annotation. However intellij shows an error @Slf4j is only legal for classes and enums. import lombok.exter
When I build multi module java project using gradle 6.0,when I add >30 modules.Throw this error: Gradle Daemon started in 2 s 267 ms > Configure project
Both Sealed Packages/Jars and the Java Module System disallow spliting packages across several jars. Does that mean that all packages contained within a Module
I would like to create an UML diagram with Java enumerations (enum), that have one or more attributes, but I am confused about how to do it. For example an enum
I am trying to insert some data (List of Objects) into mongoDB using Spring MongoTemplate and I am getting an exception: 14:08:04.430 [main] DEBUG org.springfr
I'm trying to run Java code dynamically inside a Java application using Truffle from GraalVM, without success. Settings I'm working on MacOs 11.5.2. I've follow
Hibernate 6.0.1 with PostgreSQL JDBC driver 42.3.5 causes the following exception: java.lang.UnsupportedOperationException: CteInsertStrategy can only be used w
I'm having a problem with my Spring Boot application ignoring my ignoreUnresolvablePlaceHolders set to true in my config.xml file. I have these options explici
I want to hide my Java application from the taskbar and for it to be visible only at the system tray. Here is a picture in case this is unclear. I tried to i