こんなクラス入れておくだけだた。
/** * */ package org.yoshiori; import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.annotation.WebFilter; /** * @author yoshiori_shoji * */ @WebFilter("/*") public class SetCharacterEncodingFilter implements Filter { /* (non-Javadoc) * @see javax.servlet.Filter#destroy() */ @Override public void destroy() { } /* (non-Javadoc) * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain) */ @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { request.setCharacterEncoding("UTF-8"); chain.doFilter(request, response); } /* (non-Javadoc) * @see javax.servlet.Filter#init(javax.servlet.FilterConfig) */ @Override public void init(FilterConfig config) throws ServletException { } }