HTTP Status 500 – Internal Server Error


Type Exception Report

Message Incorrect result size: expected 1, actual 0

Popis 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.nullableSingleResult(DataAccessUtils.java:97)
	org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate.queryForObject(NamedParameterJdbcTemplate.java:244)
	cz.zcu.infoportal2.InfoDAOImpl.selectObrazek(InfoDAOImpl.java:35)
	cz.zcu.infoportal2.ImageServlet.doGet(ImageServlet.java:161)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:655)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
	jdk.internal.reflect.GeneratedMethodAccessor60.invoke(Unknown Source)
	java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.base/java.lang.reflect.Method.invoke(Method.java:568)
	org.apache.catalina.security.SecurityUtil.lambda$execute$0(SecurityUtil.java:280)
	java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
	java.base/javax.security.auth.Subject.doAsPrivileged(Subject.java:584)
	org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:311)
	org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:170)
	java.base/java.security.AccessController.doPrivileged(AccessController.java:569)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	jdk.internal.reflect.GeneratedMethodAccessor59.invoke(Unknown Source)
	java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.base/java.lang.reflect.Method.invoke(Method.java:568)
	org.apache.catalina.security.SecurityUtil.lambda$execute$0(SecurityUtil.java:280)
	java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
	java.base/javax.security.auth.Subject.doAsPrivileged(Subject.java:584)
	org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:311)
	org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253)
	java.base/java.security.AccessController.doPrivileged(AccessController.java:569)
	org.apache.catalina.filters.HttpHeaderSecurityFilter.doFilter(HttpHeaderSecurityFilter.java:126)
	jdk.internal.reflect.GeneratedMethodAccessor59.invoke(Unknown Source)
	java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.base/java.lang.reflect.Method.invoke(Method.java:568)
	org.apache.catalina.security.SecurityUtil.lambda$execute$0(SecurityUtil.java:280)
	java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
	java.base/javax.security.auth.Subject.doAsPrivileged(Subject.java:584)
	org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:311)
	org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253)
	java.base/java.security.AccessController.doPrivileged(AccessController.java:569)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
	jdk.internal.reflect.GeneratedMethodAccessor59.invoke(Unknown Source)
	java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.base/java.lang.reflect.Method.invoke(Method.java:568)
	org.apache.catalina.security.SecurityUtil.lambda$execute$0(SecurityUtil.java:280)
	java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
	java.base/javax.security.auth.Subject.doAsPrivileged(Subject.java:584)
	org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:311)
	org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253)

Note Celý stack trace zdrojové chyby je dostupný v server logu.


Apache Tomcat/9.0.62 (Debian)