No constructor found in com.springcloud.entities.Dept matching [java.lang.Long, java.lang.Sting]

完整的报错信息：
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.executor.ExecutorException: No constructor found in com.atguigu.springcloud.entities.Dept matching [java.lang.Long, java.lang.String, java.lang.String] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:982) ~[spring-webmvc-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) ~[spring-webmvc-4.3.13.RELEASE.jar:4.3.13.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) ~[javax.servlet-api-3.1.0.jar:3.1.0] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.13.RELEASE.jar:4.3.13.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) ~[javax.servlet-api-3.1.0.jar:3.1.0] at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:841) ~[jetty-servlet-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650) ~[jetty-servlet-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:206) ~[websocket-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) ~[jetty-servlet-9.4.7.v20170914.jar:9.4.7.v20170914] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) ~[jetty-servlet-9.4.7.v20170914.jar:9.4.7.v20170914] at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:108) ~[spring-web-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) ~[jetty-servlet-9.4.7.v20170914.jar:9.4.7.v20170914] at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) ~[spring-web-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) ~[jetty-servlet-9.4.7.v20170914.jar:9.4.7.v20170914] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) ~[spring-web-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) ~[jetty-servlet-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) ~[jetty-servlet-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) ~[jetty-security-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) ~[jetty-servlet-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.Server.handle(Server.java:561) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:334) ~[jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) [jetty-server-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279) [jetty-io-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:104) [jetty-io-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124) [jetty-io-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:679) [jetty-util-9.4.7.v20170914.jar:9.4.7.v20170914] at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:597) [jetty-util-9.4.7.v20170914.jar:9.4.7.v20170914] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_131] Caused by: org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.executor.ExecutorException: No constructor found in com.atguigu.springcloud.entities.Dept matching [java.lang.Long, java.lang.String, java.lang.String] at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:77) ~[mybatis-spring-1.3.1.jar:1.3.1] at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:446) ~[mybatis-spring-1.3.1.jar:1.3.1] at com.sun.proxy.$Proxy60.selectList(Unknown Source) ~[na:na] at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:230) ~[mybatis-spring-1.3.1.jar:1.3.1] at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:137) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:75) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59) ~[mybatis-3.4.4.jar:3.4.4] at com.sun.proxy.$Proxy61.findAll(Unknown Source) ~[na:na] at com.atguigu.springcloud.service.impl.DeptServiceImpl.list(DeptServiceImpl.java:33) ~[classes/:na] at com.atguigu.springcloud.controller.DeptController.list(DeptController.java:36) ~[classes/:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131] at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) ~[spring-web-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) ~[spring-webmvc-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) ~[spring-webmvc-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) ~[spring-webmvc-4.3.13.RELEASE.jar:4.3.13.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.13.RELEASE.jar:4.3.13.RELEASE] ... 44 common frames omitted Caused by: org.apache.ibatis.executor.ExecutorException: No constructor found in com.atguigu.springcloud.entities.Dept matching [java.lang.Long, java.lang.String, java.lang.String] at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createByConstructorSignature(DefaultResultSetHandler.java:660) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createResultObject(DefaultResultSetHandler.java:613) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.createResultObject(DefaultResultSetHandler.java:586) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.getRowValue(DefaultResultSetHandler.java:388) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValuesForSimpleResultMap(DefaultResultSetHandler.java:347) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleRowValues(DefaultResultSetHandler.java:322) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSet(DefaultResultSetHandler.java:295) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSets(DefaultResultSetHandler.java:192) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:64) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:63) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148) ~[mybatis-3.4.4.jar:3.4.4] at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141) ~[mybatis-3.4.4.jar:3.4.4] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131] at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) ~[mybatis-spring-1.3.1.jar:1.3.1] ... 65 common frames omitted
原因：在使用映射实体类时使用了lombok ，于是便没提供空参构造和get,set方法，导致映射出错。手动在生成空参构造和get,set即可。