I am having an issue where the custom login page doesn’t appear to be working properly. It sends me to the login?error url, rather than the index page. When using the default Spring Security page, it works exactly as intended. I have placed the code below for the html page and the code dealing with the …
Tag: spring-boot
How to set default values in application.properties file?
I have a Springboot project that is deployed in Heroku and connects to MongoDB. The MongoDB URI is set in Heroku as an environment variable, and I access it in my application.properties file like this: This works fine when deploying the app in Heroku, but sometimes I want to run the app locally, and if I do t…
Vaadin object is not an instance of declaring class
I’m trying to call a method in class named (DataActions) to the dashboard view so the grid can be able to receive the objects given after the method execution, but still no luck solving this error (java.lang.IllegalArgumentException: object is not an instance of declaring class). -Class (DataSession) is…
Can a Java hibernate/persistence entity have a related entity ID as well as the related entity?
Pretty simple setup, I have a building entity that belongs to an account. So the building entity looks like: (BaseEntity provides id, created and lastModified columns) I.e. The building has a name, the ID of the account it belongs to, and then the account entity that it belongs to. However, with this setup I&…
Spring Boot returns Error 404 even though mapping has been set
I downloaded a Spring Boot project from Spring Initializr. I am trying to call sayHello() method in DemoApplication.java. Here are my code. DemoApplication.java pom.xml When I run on http://localhost:8080/hello it returns error 404 page. It does not call sayHello() method even though I have set the GET mappin…
Parse a json list into list of object Java
I have a response as follows I want to map this json to a POJO object and have created this class I am currently using this way to read this The size of events is 2 but each event is coming as null instead of a map. Can Someone please help me ? Answer To achieve your goal you have
How do i make use of groupingby in java
I have a movie list from a web service that i need to group using genres attribute from the data. My question is very similar to this groupby ngFor angular2 but in java instead. movie list from the web service looks like this here is what i’m trying to achieve but i cant seems to get it right i’ve…
Get Value Joined 2 Table with Getter in Spring boot
Trying to get value from 2 joined tables with getter, have 2 models Customer and Address. Address Repository with this query : Try to get with getter : Successfully get data address from table Address, but if get Customer name get null value, any suggestion? Answer Try the following in your @Query definition:
Spring Data JPA sorting by property without hardcoding
I have entity that has several fields: I want to have code which is capable to sort by foo and sort by bar depending on the request. I know that there is tool that could be used like this: But it seems like this approach is not perfect because field names are hardcoded and in the case that some field
How to return a ManyToOne Bidirectional JPA Entity Object in response of a Spring RestController?
I have 2 entities User and Authority having bidirectional Many-To-One relationship b/w them. But when I send the User object as a response from the RestController, I get nested objects ie. User{Authority{User{Authority{User{Authority{..}}}}}} How can I achieve that the controller must return only? User{Author…