Caused by: java.lang.IllegalArgumentException: role should not start with ‘ROLE_’ since it is automatically inserted. Got ‘ROLE_ADMIN’ org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘springSecurityFilterChain’ defined in class path resource [org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.class]: Bean…
Here is Spring Security Example using Java Configuration. Spring Security provides comprehensive security services for Java EE-based enterprise software applications. There is a particular emphasis on supporting projects built using…
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Here is Java Sort Map By Key example and Java Sort Map By Value example: Java Sort Map By Key Example java.util.Map<Integer, String> map = new HashMap(); map.put(1, “Jone”); map.put(6, “Araya”);…
This article contains Java 8 Stream sorted Examples. Java 8 Stream provide two version of sorted method to sort given stream to natural order and sort stream based on comparator….
“flatMap name itself suggest that it is a combination of a map and a flat. It means that first we apply Function to our element and then flatten it” Stream.map…
This article contains different ways for Java 8 convert Array to Stream i.e. Stream.of and Array.stream using those methods, Array can be converted in Stream to perform iteration easily. Example…
Here is example of Java 8 convert Stream to Array like using ::new operator and IntFunction arguments. Stream contains toArray function using that we can convert Stream to Array. Example 1:…
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