org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [duplicate_entry]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement

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    • org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [duplicate_entry]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:980) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:870) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:844) at org.springframework.test.web.servlet.TestDispatcherServlet.service(TestDispatcherServlet.java:65) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.springframework.mock.web.MockFilterChain$ServletFilterProxy.doFilter(MockFilterChain.java:167) at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:134) at org.springframework.test.web.servlet.MockMvc.perform(MockMvc.java:155)

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