Table of ContentsProblem: outputSolution: output: Problem: ” HashMap does not preserve insertion order “. HashMap is collection of Key and Value but HashMap does not give guaranty that insertion order will preserve….
This article contains example of how to remove duplicate value from array in java with different different methods like using Set, using stream dicstinct funcation. Table of ContentsExample 1 :…
During configure spring security with my project i find java.lang.IllegalArgumentException error and also fine its solution by me: my SpringSecurityWebConfig as bellow and when i run my project at initial level…
Table of ContentsProblem:Trace:Solutions:How to disable CSRL in spring security?:1. First2. Second How to pass CSRL in login form? Problem: Trace: HTTP Status 403 – Could not verify the provided CSRF token…
There are two stages where documents can be boosted: At index time and at query time. here we discuss index time boost feature solr. This is probably the simplest way,…
Table of ContentsProblem:Trace:Solution: Problem: public class SecurityWebApplicationInitializer extends AbstractSecurityWebApplicationInitializer { public SecurityWebApplicationInitializer(){ super(SpringSecurityWebConfig.class); } } Trace: java.lang.IllegalStateException: Cannot initialize context because there is already a root application context present -…
Table of ContentsHTTP Status 500 – No bean named ‘springSecurityFilterChain’ is definedTrace: Solutions:First:Second:Third: HTTP Status 500 – No bean named ‘springSecurityFilterChain’ is defined Trace: HTTP Status 500 – No bean named…
Queries can be used in query context, and filters can be used in filter context. When used in filtering context, the query is said to be a “non-scoring” or “filtering”…
Table of ContentsErrorController.javaweb.xml404.jsp500.jsp ErrorController.java package com.springdemo; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; @Controller @RequestMapping(“/”) public class ErrorController { @RequestMapping(value = “404”,method = RequestMethod.GET) public String Page404(ModelMap model) {…
JSTL If Condition <c:set var=”language” value=”java”/> <c:if test=”${language == ‘java’}” > you are using java language </c:if> <c:if test=”${language != ‘java’}” > you are using not java language </c:if> JSTL…
