• Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Query was empty


    1 错误描写叙述

    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
    	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749)
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)
    	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
    	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938)
    	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)
    	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
    	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
    	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    	at com.sc.oa.filter.TranscationFilter.doFilter(TranscationFilter.java:32)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    	at com.sc.oa.filter.ContentFilter.doFilter(ContentFilter.java:69)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
    	at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
    	at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
    	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
    	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
    	at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
    	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
    	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
    	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
    	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
    	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
    	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
    	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
    	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
    	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
    	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
    	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
    	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
    	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
    	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2466)
    	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2455)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    	at java.lang.Thread.run(Thread.java:745)
    Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Query was empty
    	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    	at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
    	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    	at com.mysql.jdbc.Util.getInstance(Util.java:386)
    	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1053)
    	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4074)
    	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4006)
    	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2468)
    	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2629)
    	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2719)
    	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155)
    	at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2318)
    	at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:92)
    	at com.sc.oa.base.dao.impl.BaseDaoImpl$2.execute(BaseDaoImpl.java:148)
    	at com.sc.oa.base.dao.impl.BaseDaoImpl$2.execute(BaseDaoImpl.java:1)
    	at org.hibernate.jdbc.WorkExecutor.executeReturningWork(WorkExecutor.java:72)
    	at org.hibernate.internal.SessionImpl$3.accept(SessionImpl.java:2052)
    	at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.coordinateWork(JdbcCoordinatorImpl.java:313)
    	... 81 more
    org.springframework.web.util.NestedServletException: Request processing failed; nested exception is  code is 9998;desc is 查询失败exception is org.hibernate.exception.SQLGrammarException: error executing work
    	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:973)
    	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
    	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    
    	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    	at com.sc.oa.filter.TranscationFilter.doFilter(TranscationFilter.java:32)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    	at com.sc.oa.filter.ContentFilter.doFilter(ContentFilter.java:69)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
    	at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
    	at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
    	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
    	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
    	at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
    	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
    	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
    	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
    	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)

    2 错误原因

       在公共查询中,没有写相应的查询内容。导致出现空查询

       case 33:


    3 解决的方法

      在查询公共实现类中。加入上本模块的查询方法

      case 33:

           sql.append("select t.user_id,t.user_name from t_user_tab ");

           sql.append(" where 1=1 ");

           if(StringUtils.isNotBlank(user.getUserId())

           {


           }

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  • 原文地址:https://www.cnblogs.com/zsychanpin/p/6970900.html
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