HTTP Status 500 – Internal Server Error


Type Exception Report

Message Request processing failed; nested exception is java.lang.IllegalArgumentException: Locale part "nl%20" contains invalid characters

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

Exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.IllegalArgumentException: Locale part "nl%20" contains invalid characters
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103)
	org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:64)
	org.springframework.boot.web.servlet.support.ErrorPageFilter.forwardToErrorPage(ErrorPageFilter.java:191)
	org.springframework.boot.web.servlet.support.ErrorPageFilter.handleException(ErrorPageFilter.java:176)
	org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:143)
	org.springframework.boot.web.servlet.support.ErrorPageFilter.access$000(ErrorPageFilter.java:64)
	org.springframework.boot.web.servlet.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:101)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
	org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:119)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
	org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)

Root Cause

java.lang.IllegalArgumentException: Locale part "nl%20" contains invalid characters
	org.springframework.util.StringUtils.validateLocalePart(StringUtils.java:878)
	org.springframework.util.StringUtils.parseLocaleTokens(StringUtils.java:852)
	org.springframework.util.StringUtils.parseLocale(StringUtils.java:821)
	org.springframework.web.servlet.i18n.LocaleChangeInterceptor.parseLocaleValue(LocaleChangeInterceptor.java:195)
	org.springframework.web.servlet.i18n.LocaleChangeInterceptor.preHandle(LocaleChangeInterceptor.java:154)
	org.apereo.cas.web.support.CasLocaleChangeInterceptor.preHandle(CasLocaleChangeInterceptor.java:45)
	jdk.internal.reflect.GeneratedMethodAccessor228.invoke(Unknown Source)
	java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.base/java.lang.reflect.Method.invoke(Method.java:566)
	org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:282)
	org.springframework.cloud.context.scope.GenericScope$LockedScopedProxyFactoryBean.invoke(GenericScope.java:485)
	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
	org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:750)
	org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:692)
	org.springframework.web.servlet.i18n.LocaleChangeInterceptor$$EnhancerBySpringCGLIB$$8ce1384b.preHandle(<generated>)
	org.springframework.web.servlet.HandlerExecutionChain.applyPreHandle(HandlerExecutionChain.java:148)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1059)
	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963)
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:103)
	org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:64)
	org.springframework.boot.web.servlet.support.ErrorPageFilter.forwardToErrorPage(ErrorPageFilter.java:191)
	org.springframework.boot.web.servlet.support.ErrorPageFilter.handleException(ErrorPageFilter.java:176)
	org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:143)
	org.springframework.boot.web.servlet.support.ErrorPageFilter.access$000(ErrorPageFilter.java:64)
	org.springframework.boot.web.servlet.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:101)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
	org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:119)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
	org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)

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


Apache Tomcat/9.0.86