Springboot WebClient Broken in docker container
If you are using localhost inside one container to try to communicate with a service running inside another container, that’s the wrong host to use. localhost inside a container refers …
Spring
The Spring Framework is a powerful open source Java development framework. It offers comprehensive support for component-based architectures, and provides a vast range of integrated modules that enable developers to create sophisticated Java applications quickly and easily. With its rich feature set and extensive module library, the Spring Framework is an ideal choice for Java development projects of all sizes.CLICK HERE To solve more code-related solutions you face every day.
Ehcache is registering beans two times
UPDATE: this problem should be resolved in the (upcoming) version 3.9.7, as per the issue mentioned below. Update your ehcache version or track the version releases in order to have …
Spring Data cassandra throws: Cannot obtain where clauses for entity
I never get this error message. What will you get error message if you have setter/getter methods or use Lombok project and add @Data annotation next to @Table? (If you …
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running scheduler in spring boot generates a process external to the spring boot application context
The @Scheduled should work. Have you added the @EnabledScheduling annotation to a @Configuration or the @SpringBootApplication? The Scheduling Getting Started explains it in detail. Regarding the scheduleTask method: What calls …
Maven can’t resolve dependencies from Parent Module in IntelliJ
Apparently this had to do with manual installation of Lombok that somehow also conflicted with seemingly unrelated packages. CLICK HERE to find out more related problems solutions.
Spring security oauth2 login and resource server in same application
I solved by splitting the configuration into two classes. One for OAuth login and the other for the resource server. Configured http.requestMatcher(new RequestHeaderRequestMatcher(“Authorization”)) on the resource server Configuration class and …
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2 databases on the one H2 instance
H2 supports direct access only to one database at once, but you can create linked tables to tables from other databases. To create a linked table, you can use a …
Keycloak CORS issue on logout redirect
It shouldn’t be a API call (request in the backround). Whole browser should be navigated to that app logout URL (and then to Keycloak logout URL). CLICK HERE to find …
developing a version number in a jenkins spring boot and gradle environment
First, let’s make sure Gradle knows about the build number. Jenkins makes it available with an environment variable. We can put it in the normal version field in the Gradle …
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Deserialize Date object with Jackson in Spring boot
the only global setting that worked for me is ObjectMapper @Bean @Primary public ObjectMapper objectMapper() { final SimpleDateFormat sdf = new SimpleDateFormat(“yyyy-MM-dd HH:mm:ss”, Locale.getDefault()); final ObjectMapper mapper = new ObjectMapper(); …
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