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via Stack Overflow by BXT
, 1 year ago
No converter found for return value of type: class java.util.LinkedHashMap
via Stack Overflow by Jaspreet Singh
, 2 years ago
Async support must be enabled on a servlet and for all filters involved in async request processing. This is done in Java code using the Servlet API or by adding "<async-supported>true</async-supported>" to servlet and filter declarations in web.xml. Also you must use a Servlet 3.0+ container
via blogspot.com by Unknown author, 2 years ago
[Assertion failed] - this expression must be true
via Stack Overflow by Tom
, 2 years ago
Paging query needs to have a Pageable parameter!
java.lang.IllegalArgumentException: When defining @Publisher on a void-returning method, an explicit payload expression that does not rely upon a #return value is required.	at org.springframework.util.Assert.isTrue(Assert.java:65)