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please try againinclude error,path:/comp/intro/category?compId=intro_category-15240576820077317 cause:org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.RuntimeException: org.springframework.jdbc.UncategorizedSQLException: ### Error querying database. Cause: java.sql.SQLException: You can't operate on a closed Connection!!! ### The error may exist in URL [jar:file:/data/java_webdir/sc-site-1.0.0-SNAPSHOT_2020-05-27-16-26-57/lib/service-introduction-provider-1.0.0-SNAPSHOT.jar!/mybatis/IntroductionCategoryMapper.xml] ### The error may involve cn.ce.ebiz.introduction.dao.IntroductionCategoryDao.list ### The error occurred while executing a query ### SQL: /*!mycat:datanode=SITE_50342 */SELECT * FROM INTRODUCTION_CATEGORY introcate WHERE introcate.STATUS != 2 ORDER BY introcate.SEQUENCE ### Cause: java.sql.SQLException: You can't operate on a closed Connection!!! ; uncategorized SQLException for SQL []; SQL state [null]; error code [0]; You can't operate on a closed Connection!!!; nested exception is java.sql.SQLException: You can't operate on a closed Connection!!! org.springframework.jdbc.UncategorizedSQLException: ### Error querying database. Cause: java.sql.SQLException: You can't operate on a closed Connection!!! ### The error may exist in URL [jar:file:/data/java_webdir/sc-site-1.0.0-SNAPSHOT_2020-05-27-16-26-57/lib/service-introduction-provider-1.0.0-SNAPSHOT.jar!/mybatis/IntroductionCategoryMapper.xml] ### The error may involve cn.ce.ebiz.introduction.dao.IntroductionCategoryDao.list ### The error occurred while executing a query ### SQL: /*!mycat:datanode=SITE_50342 */SELECT * FROM INTRODUCTION_CATEGORY introcate WHERE introcate.STATUS != 2 ORDER BY introcate.SEQUENCE ### Cause: java.sql.SQLException: You can't operate on a closed Connection!!! ; uncategorized SQLException for SQL []; SQL state [null]; error code [0]; You can't operate on a closed Connection!!!; nested exception is java.sql.SQLException: You can't operate on a closed Connection!!! at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:84) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81) at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:81) at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:71) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:364) at com.sun.proxy.$Proxy37.selectList(Unknown Source) at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:194) at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:119) at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:63) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52) at com.sun.proxy.$Proxy192.list(Unknown Source) at cn.ce.ebiz.introduction.service.impl.IntroductionCategoryServiceImpl.listIntroductionCategory(IntroductionCategoryServiceImpl.java:25) at sun.reflect.GeneratedMethodAccessor864.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:280) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) at com.sun.proxy.$Proxy193.listIntroductionCategory(Unknown Source) at com.alibaba.dubbo.common.bytecode.Wrapper48.invokeMethod(Wrapper48.java) at com.alibaba.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:45) at com.alibaba.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:71) at com.alibaba.dubbo.config.invoker.DelegateProviderMetaDataInvoker.invoke(DelegateProviderMetaDataInvoker.java:48) at com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:52) at cn.ce.ebiz.framework.remoting.DubboContextFilter.invoke(DubboContextFilter.java:220) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) at com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:61) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) at com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:41) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke$original$5sVWRoOc(MonitorFilter.java:74) at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke$original$5sVWRoOc$accessor$PUlnbPqp(MonitorFilter.java) at com.alibaba.dubbo.monitor.support.MonitorFilter$auxiliary$lXL36VDG.call(Unknown Source) at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstMethodsInter.intercept(InstMethodsInter.java:93) at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) at com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:77) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) at com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:71) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) at com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:131) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) at com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:37) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) at com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:37) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:68) at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:98) at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:96) at com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:168) at com.alibaba.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:50) at com.alibaba.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:79) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: java.sql.SQLException: You can't operate on a closed Connection!!! at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106) at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:65) at com.mchange.v2.c3p0.impl.NewProxyConnection.prepareStatement(NewProxyConnection.java:222) at org.apache.ibatis.executor.statement.PreparedStatementHandler.instantiateStatement(PreparedStatementHandler.java:75) at org.apache.ibatis.executor.statement.BaseStatementHandler.prepare(BaseStatementHandler.java:85) at org.apache.ibatis.executor.statement.RoutingStatementHandler.prepare(RoutingStatementHandler.java:57) at sun.reflect.GeneratedMethodAccessor201.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49) at cn.ce.ebiz.framework.persistence.mybatis.PaginationInterceptor.intercept(PaginationInterceptor.java:118) at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:60) at com.sun.proxy.$Proxy603.prepare(Unknown Source) at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:73) at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:59) at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267) at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:137) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:96) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:77) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102) at sun.reflect.GeneratedMethodAccessor249.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:354) ... 56 more Caused by: java.lang.NullPointerException at com.mchange.v2.c3p0.impl.NewProxyConnection.prepareStatement(NewProxyConnection.java:186) ... 78 more
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美高梅承担的省级科技支撑计划项目通过验收

美高梅承担的省级科技支撑计划项目通过验收

【摘要】:
2018年4月24日,由美高梅mgm4688璀璨承担的江苏省科技支撑计划项目(工业部分)《下一代高质量三网融合产品关键技术研发》顺利通过江苏省科学技术厅验收。
      2018年4月24日,由美高梅mgm4688璀璨承担的江苏省科技支撑计划项目(工业部分)《下一代高质量三网融合产品关键技术研发》顺利通过江苏省科学技术厅验收。
 
      项目验收会在美高梅集团召开,汾湖高新技术产业开发区科学技术局夏建明副局长主持会议,项目验收委员会由来自中国电子科技集团企业第23研究所、上海邮电设计咨询研究院、江苏省科技服务研究会、天健会计师事务所上海分所、上海电信工程企业等单位的资深专家组织成。项目验收委员会认真听取了美高梅mgm项目实施情况的汇报,审查了项目相关文件、资料,实地察看了项目建设情况,经质疑、讨论后认为,美高梅mgm承担的《下一代高质量三网融合产品关键技术研发》项目完成了任务书规定的各项任务指标,项目资金使用合理规范,一致同意通过验收。
 
      该项目实施期间,共取得3项发明专利,17项实用新型专利。基于美高梅mgm自身的基础,在国家加速推进下一代三网融合的大背景下,企业将努力抓住这次契机,立足光电缆主业发展,充分利用自身品牌优势和资源优势,占据稳固的市场地位,并不断优化资源配置,调整产品结构,积极开发适用于下一代三网融合的新产品,以满足市场需求,不断增强企业的核心竞争力。
 
 
 
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