[스프링퀵스타트] 글수정 기능 구현 문제점

|에러 문구

org.h2.jdbc.JdbcSQLException: Column "COTENT" not found; SQL statement:
update board set title = ?, cotent = ? set title = ?, content =?, where seq = ?  [42122-197]
at org.h2.message.DbException.getJdbcSQLException(DbException.java:357)
at org.h2.message.DbException.get(DbException.java:179)
at org.h2.message.DbException.get(DbException.java:155)
at org.h2.table.Table.getColumn(Table.java:682)
at org.h2.command.Parser.readTableColumn(Parser.java:771)
at org.h2.command.Parser.parseUpdateSetClause(Parser.java:809)
at org.h2.command.Parser.parseUpdate(Parser.java:780)
at org.h2.command.Parser.parsePrepared(Parser.java:485)
at org.h2.command.Parser.parse(Parser.java:335)
at org.h2.command.Parser.parse(Parser.java:307)
at org.h2.command.Parser.prepareCommand(Parser.java:278)
at org.h2.engine.Session.prepareLocal(Session.java:611)
at org.h2.server.TcpServerThread.process(TcpServerThread.java:271)
at org.h2.server.TcpServerThread.run(TcpServerThread.java:165)
at java.lang.Thread.run(Thread.java:748)

at org.h2.engine.SessionRemote.done(SessionRemote.java:623)
at org.h2.command.CommandRemote.prepare(CommandRemote.java:85)
at org.h2.command.CommandRemote.(CommandRemote.java:51)
at org.h2.engine.SessionRemote.prepareCommand(SessionRemote.java:493)
at org.h2.jdbc.JdbcConnection.prepareCommand(JdbcConnection.java:1247)
at org.h2.jdbc.JdbcPreparedStatement.(JdbcPreparedStatement.java:76)
at org.h2.jdbc.JdbcConnection.prepareStatement(JdbcConnection.java:304)
at com.springbook.biz.board.impl.BoardDAO.updateBoard(BoardDAO.java:55)
at org.apache.jsp.updateBoard_005fproc_jsp._jspService(updateBoard_005fproc_jsp.java:134)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:522)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1095)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1456)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)

 

|문제 원인

BoardDAO.java에서 수정과 관련된 코드가 문제가 있었다.

private final String BOARD_UPDATE = "update board set title = ?, cotent = ? set title = ?,"
+ " content =?, where seq = ? ";

문제 1. cotent -> content // 단순 오타

문제 2. title, content 중복 작성 

문제 3. where앞에 ','로 인해 틀린 문법 -> ',' 삭제