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Reactjs – Cors not allowed to completed the request in Spring MVC

I am using spring MVC and want to send request from React.js but CORS problem. how i can enable it in spring mvc using ApplicationContext.xml?

i have added this these lines in applicationcontext.xml file but failed to build and run the application

<mvc:cors>
    <mvc:mapping path="/**" />
</mvc:cors>

i want to allow the react.js send request and cors is working properly in spring mvc when i build the file it give error can not build.where i am doing wrong i want to solve it using xml file not by java class

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2

Answers


  1. 0

    Configure this in ApplicationContext.xml

    <bean id="corsFilter" class="org.springframework.web.filter.CorsFilter">
        <constructor-arg>
            <bean class="org.springframework.web.cors.CorsConfiguration">
                <property name="allowedOrigins" value="http://localhost:8081" />
                <property name="allowedMethods" value="GET,POST,PUT,DELETE,OPTIONS" />
                <property name="allowedHeaders" value="*" />
                <property name="allowCredentials" value="true" />
            </bean>
        </constructor-arg>
    </bean>

    <!-- Register CorsFilter bean with the servlet context -->
    <bean class="org.springframework.web.servlet.DispatcherServlet" name="dispatcherServlet">
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value></param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </bean>

    replace http://localhost:8081 fro where your client application is making requests.

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  2. 0

    Add this is package com.your_packge_name and replace MyAppConfig with actual name

    import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;

public class MyWebAppInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {

    @Override
    protected Class<?>[] getRootConfigClasses() {
        return null; 
    }

    @Override
    protected Class<?>[] getServletConfigClasses() {
        return new Class[]{MyAppConfig.class}; 
    }

    @Override
    protected String[] getServletMappings() {
        return new String[]{"/"}; 
    }
}
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