Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Spring JIRA by Erich Eichinger, 1 year ago
Cannot merge with [org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder]
via Spring JIRA by Erich Eichinger, 1 year ago
Cannot merge with [org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder]
java.lang.IllegalArgumentException: Cannot merge with [org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder]	at org.springframework.test.web.servlet.request.MockMultipartHttpServletRequestBuilder.merge(MockMultipartHttpServletRequestBuilder.java:88)	at org.springframework.test.web.servlet.MockMvc.perform(MockMvc.java:123)