HTTP Status 500 – Internal Server Error


Type Exception Report

Message Incorrect result size: expected 1, actual 0

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.springframework.dao.EmptyResultDataAccessException: Incorrect result size: expected 1, actual 0
	org.springframework.dao.support.DataAccessUtils.requiredSingleResult(DataAccessUtils.java:71)
	org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:791)
	org.springframework.jdbc.core.JdbcTemplate.queryForMap(JdbcTemplate.java:824)
	com.whty.cms.common.filter.ServerNameFilter.getServerMap(ServerNameFilter.java:209)
	com.whty.cms.common.filter.ServerNameFilter.doFilter(ServerNameFilter.java:77)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	com.whty.cms.common.filter.ThreadLocalVariableFilter.doFilter(ThreadLocalVariableFilter.java:31)
	org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
	com.whty.cms.common.filter.XssFilter.doFilter(XssFilter.java:84)
	com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat