HTTP Status 500 – Internal Server Error


Type Exception Report

Message java.lang.NullPointerException: Cannot invoke "java.util.Collection.isEmpty()" because "recruits" is null

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

Exception

javax.servlet.ServletException: java.lang.NullPointerException: Cannot invoke "java.util.Collection.isEmpty()" because "recruits" is null
	org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:514)
	org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1192)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:412)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:394)
	org.apache.catalina.filters.ExpiresFilter.doFilter(ExpiresFilter.java:1192)
	com.portal.util.CacheControlFilter.doFilter(CacheControlFilter.java:21)
	com.portal.filter.GlobalFilter.doFilter(GlobalFilter.java:85)

Root Cause

java.lang.NullPointerException: Cannot invoke "java.util.Collection.isEmpty()" because "recruits" is null
	com.portal.recruiting.action.RecruitSearchAction.execute(RecruitSearchAction.java:280)
	org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1192)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:412)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
	org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
	org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:394)
	org.apache.catalina.filters.ExpiresFilter.doFilter(ExpiresFilter.java:1192)
	com.portal.util.CacheControlFilter.doFilter(CacheControlFilter.java:21)
	com.portal.filter.GlobalFilter.doFilter(GlobalFilter.java:85)

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


Apache Tomcat/9.0.79