[오류] java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [Issue]에러내용xjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/com]] at java.util.concurrent.FutureTask.report(Unknown Source) at java.util.concurrent.FutureTask.get(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1239) at org.apach.. 더보기 [오류] Java.lang.IllegalArgumentException No converter found for return value of type class [Issue]비동기 통신(Ajax) 시 서버에서 발생하는 에러에러내용심각: Servlet.service() for servlet [action] in context with path [/com] threw exception [Request processing failed; nested exception is java.lang.IllegalArgumentException: No converter found for return with root causejava.lang.IllegalArgumentException: No converter found for return value of type: class todo.main.com.UserVO at org.springframework.web.servlet.m.. 더보기 AJAX 동기로 통신하는 방법 [Way]'anync : false' 를 추가한다.ansyc의 디폴트 값은 true이다 [Example]버튼을 클릭했을 때 AJAX 통신을 예로 들겠다.동기로 AJAX 통신x$('#button1').click(function(){ console.log('Button Click Event Start'); var _data = { 'name' : 'kang' ,'age' : 28 }; var _url = 'getUserInfo.do' $.ajax({ url : _url ,data : _data ,type : 'post' ,dataType : 'json' ,success : function(result){ console.log('ajax success : ' + result); } ,error .. 더보기 이전 1 2 3 4 다음
