mybatis使用中sql正常却出现空指针
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.executor.ExecutorException: Error preparing statement. Cause: java.lang.NullPointerException at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:92) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:440) at com.sun.proxy.$Proxy191.update(Unknown Source) at org.mybatis.spring.SqlSessionTemplate.update(SqlSessionTemplate.java:287) at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:65) at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:96) at com.sun.proxy.$Proxy304.updateRmRuleConfig(Unknown Source) at com.iwhalecloud.dmos.pmc.pms.app.command.cmd.rule.RuleCondConstAddCmdExe.addRuleConfigAndRel(RuleCondConstAddCmdExe.java:132) at com.iwhalecloud.dmos.pmc.pms.app.command.cmd.rule.RuleCondConstAddCmdExe.execute(RuleCondConstAddCmdExe.java:75) at com.iwhalecloud.dmos.pmc.pms.app.command.cmd.rule.RuleCondConstAddCmdExe.execute(RuleCondConstAddCmdExe.java:43) at com.iwhalecloud.dmos.pmc.pms.app.command.cmd.rule.RuleCondConstAddCmdExe$$FastClassBySpringCGLIB$$ef3182a7.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:750) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:295) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:689) at com.iwhalecloud.dmos.pmc.pms.app.command.cmd.rule.RuleCondConstAddCmdExe$$EnhancerBySpringCGLIB$$f41b318.execute(<generated>) at com.iwhalecloud.bss.cele.command.CommandInvocation.invoke(CommandInvocation.java:50) at com.iwhalecloud.bss.cele.command.CommandBus.send(CommandBus.java:21) at com.iwhalecloud.dmos.pmc.pms.app.service.rule.RuleCfgManagerServiceImpl.saveRuleAndCondConst(RuleCfgManagerServiceImpl.java:853) at com.iwhalecloud.dmos.pmc.pms.app.service.rule.RuleCfgManagerServiceImpl$$FastClassBySpringCGLIB$$19730abf.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:685) at com.iwhalecloud.dmos.pmc.pms.app.service.rule.RuleCfgManagerServiceImpl$$EnhancerBySpringCGLIB$$fb114198.saveRuleAndCondConst(<generated>) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:893) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:798) at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) at javax.servlet.http.HttpServlet.service(HttpServlet.java:660) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:124) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:94) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:114) at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:104) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1598) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.ibatis.executor.ExecutorException: Error preparing statement. Cause: java.lang.NullPointerException at org.apache.ibatis.executor.statement.BaseStatementHandler.prepare(BaseStatementHandler.java:97) at org.apache.ibatis.executor.statement.RoutingStatementHandler.prepare(RoutingStatementHandler.java:59) at sun.reflect.GeneratedMethodAccessor241.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49) at com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor.intercept(PaginationInterceptor.java:181) at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61) at com.sun.proxy.$Proxy378.prepare(Unknown Source) at com.baomidou.mybatisplus.core.executor.MybatisSimpleExecutor.prepareStatement(MybatisSimpleExecutor.java:92) at com.baomidou.mybatisplus.core.executor.MybatisSimpleExecutor.doUpdate(MybatisSimpleExecutor.java:53) at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117) at com.baomidou.mybatisplus.core.executor.MybatisCachingExecutor.update(MybatisCachingExecutor.java:83) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49) at com.iwhalecloud.dmos.pmc.pms.inf.common.interceptor.MybatisInterceptor.intercept(MybatisInterceptor.java:75) at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61) at com.sun.proxy.$Proxy377.update(Unknown Source) at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:197) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:426) ... 92 more Caused by: java.lang.NullPointerException at com.alibaba.druid.wall.spi.WallVisitorUtils.checkFunction(WallVisitorUtils.java:1812) at com.alibaba.druid.wall.spi.OracleWallVisitor.visit(OracleWallVisitor.java:140) at com.alibaba.druid.sql.ast.expr.SQLMethodInvokeExpr.accept0(SQLMethodInvokeExpr.java:176) at com.alibaba.druid.sql.ast.SQLObjectImpl.accept(SQLObjectImpl.java:40) at com.alibaba.druid.sql.ast.SQLObjectImpl.acceptChild(SQLObjectImpl.java:62) at com.alibaba.druid.sql.ast.statement.SQLUpdateSetItem.accept0(SQLUpdateSetItem.java:67) at com.alibaba.druid.sql.ast.SQLObjectImpl.accept(SQLObjectImpl.java:40) at com.alibaba.druid.sql.ast.SQLObjectImpl.acceptChild(SQLObjectImpl.java:62) at com.alibaba.druid.sql.ast.SQLObjectImpl.acceptChild(SQLObjectImpl.java:53) at com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleUpdateStatement.accept0(OracleUpdateStatement.java:62) at com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleUpdateStatement.accept0(OracleUpdateStatement.java:51) at com.alibaba.druid.sql.ast.SQLObjectImpl.accept(SQLObjectImpl.java:40) at com.alibaba.druid.wall.WallProvider.checkInternal(WallProvider.java:663) at com.alibaba.druid.wall.WallProvider.check(WallProvider.java:578) at com.alibaba.druid.wall.WallFilter.checkInternal(WallFilter.java:792) at com.alibaba.druid.wall.WallFilter.connection_prepareStatement(WallFilter.java:258) at com.alibaba.druid.filter.FilterChainImpl.connection_prepareStatement(FilterChainImpl.java:568) at com.alibaba.druid.filter.FilterAdapter.connection_prepareStatement(FilterAdapter.java:930) at com.alibaba.druid.filter.FilterEventAdapter.connection_prepareStatement(FilterEventAdapter.java:122) at com.alibaba.druid.filter.FilterChainImpl.connection_prepareStatement(FilterChainImpl.java:568) at com.alibaba.druid.proxy.jdbc.ConnectionProxyImpl.prepareStatement(ConnectionProxyImpl.java:341) at com.alibaba.druid.pool.DruidPooledConnection.prepareStatement(DruidPooledConnection.java:350) at org.apache.ibatis.executor.statement.PreparedStatementHandler.instantiateStatement(PreparedStatementHandler.java:86) at org.apache.ibatis.executor.statement.BaseStatementHandler.prepare(BaseStatementHandler.java:88) ... 118 more 2020-10-20 11:59:52.639 [http-nio-8083-exec-1] ERROR c.i.d.p.p.a.c.cmd.rule.RuleCondConstAddCmdExe - 40350305解决方案： 在xml的sql中加入useGeneratedKeys=“false” 修改后代码为 <update id="updateRmRuleConfig" useGeneratedKeys="false" parameterType="com.iwhalecloud.dmos.pmc.pms.inf.repository.dataobject.rule.RmRuleConfigDO"> update rm_rule_config set rule_name = #{ruleName}, rule_desc = #{ruleDesc}, ass_id = #{assId},trans_ass_id = #{transAssId} where rule_id = #{ruleId} </update>
