nov 27, 2019 10:54:58 AM org.apache.catalina.core.StandardWrapperValve invoke GRAVE: Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.putVal(ConcurrentHashMap.java:1011) at java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:1006) at br.christus.exitus.prova.service.ProvaServiceImpl.countAllByUsuario(ProvaServiceImpl.java:67) at br.christus.exitus.prova.service.ProvaServiceImpl$$FastClassBySpringCGLIB$$3f312049.invoke()
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
at org.springf