Solution to error report of Jackson coordinate introduced by spring

report errors:

The correct version of Jackson’s coordinates are introduced into pom.xml, but the error is still reported as follows:

java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/ObjectMapper

terms of settlement:

Open project structure – & gt; Delete the original one and add another one

Reference connection:
0 https://www.cnblogs.com/cocobear9/p/13746628.html