java.lang.AbstractMethodError: org.springframework.mock.web.MockHttpServletResponse.getHeaderNames()Ljava/util/Collection;

Spring JIRA | Joshua Spiewak | 5 years ago
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    Root Cause Analysis

    1. java.lang.AbstractMethodError

      org.springframework.mock.web.MockHttpServletResponse.getHeaderNames()Ljava/util/Collection;

      at Example.main()
    2. Unknown
      Example.main
      1. Example.main(Example.java:9)
      1 frame