Mybatis 연동 NullpointError

Question

안녕하세요 Mybatis 연동하는데 오류가 발생합니다.해당 오류에 대하여 고수분들의 도움이 필요합니다. context-jdbc.xml을 읽지 못하여, mapper 경로를 찾지 못해 발생하는 에러가 아닐가 짐작만 하고 있습니다. 에러21:46:51.766 [nioEventLoopGroup-3-1] INFO kr.co.b.m.http.DataSendHandler - =================== ctx:ChannelHandlerContext(handler, [id: 0xae6f4f45, L:/0:0:0:0:0:0:0:1:8587 - R:/0:0:0:0:0:0:0:1:7998]) 21:46:51.766 [nioEventLoopGroup-3-1] INFO kr.co.b.m.http.DataSendHandler - =================== msg:PooledUnsafeDirectByteBuf(ridx: 0, widx: 2, cap: 1024) 21:46:51.766 [nioEventLoopGroup-3-1] INFO kr.co.b.m.http.DataSendHandler - =================== sendController!! 21:46:51.767 [nioEventLoopGroup-3-1] INFO kr.co.b.m.http.DataSendHandler - =================== Service.gateIN !!! 21:46:51.772 [nioEventLoopGroup-3-1] INFO kr.co.b.m.http.DataSendHandler - =================== exception Caught!! java.lang.NullPointerException at kr.co.b.m.service.BdCheckinInfoService.gateIn(BdCheckinInfoService.java:40) at kr.co.b.m.http.DataSendHandler.sendController(DataSendHandler.java:82) at kr.co.b.m.http.DataSendHandler.channelRead(DataSendHandler.java:60) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1434) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:965) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:647) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:582) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:499) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:461) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Unknown Source) BdCheckinInfoService.java package kr.co.b.m.service; import java.util.List; //import org.apache.ibatis.session.SqlSession; //import org.apache.ibatis.session.SqlSessionFactory; import org.mybatis.spring.SqlSessionTemplate; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.mybatis.spring.SqlSessionFactoryBean; import kr.co.b.m.common.MybatisConnectionFactory; import kr.co.b.m.dao.BdCheckinInfoDAO; import kr.co.b.m.http.DataSendHandler; import kr.co.b.m.vo.BdCheckinInfoVO; public class BdCheckinInfoService { //log4j private static Logger logger = LoggerFactory.getLogger(DataSendHandler.class); //mybatis // @Autowired // protected BdCheckinInfoDAO dao; // @Autowired public SqlSessionTemplate sqlSessionTemplate; //체크인 데이터 insert public List insertBdCheckinInfo(Object params) throws Exception{ return null; } //탑승객 통과정보 count 해서 있으면 select public int gateIn(int cnt) throws Exception{ logger.info("=================== Service.gateIN !!!"); //SqlSession sqlSessionFactory = MybatisConnectionFactory.getSqlSessionFactory().openSession(); BdCheckinInfoDAO dao = sqlSessionTemplate.getMapper(BdCheckinInfoDAO.class); logger.info("=================== Mybatis is ok!"); cnt = dao.gateInCount(); logger.info("=================== db count : "+cnt); return cnt; } } BdCheckinInfoDAO.java package kr.co.b.m.dao; public interface BdCheckinInfoDAO { public int gateInCount(); } context-jdbc.xml

BdCheckinInfoMapper.xml

해아일락 · Answer

Dependency Injection

Wa1ker · Answer

해아일락injection이 잘못 되어있는건건가요?

해아일락 · Answer

잘못된게 아니라 안되어있는데요..

Mybatis 연동 NullpointError

3개의 답변

#nullpoint 목록