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please try againinclude error,path:/comp/intro/category?compId=intro_category-15372651831461416 cause:org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.RuntimeException: org.springframework.transaction.TransactionSystemException: Could not commit JDBC transaction; nested exception is java.sql.SQLException: Unknown error%!(EXTRA string=invalid protocol version: 255) org.springframework.transaction.TransactionSystemException: Could not commit JDBC transaction; nested exception is java.sql.SQLException: Unknown error%!(EXTRA string=invalid protocol version: 255) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCommit(DataSourceTransactionManager.java:275) at cn.ce.ebiz.framework.persistence.mybatis.DataSourceTransactionManagerExt.doCommit(DataSourceTransactionManagerExt.java:55) at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:761) at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:730) at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:483) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:290) 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.$Proxy90.findPageNameById(Unknown Source) at com.alibaba.dubbo.common.bytecode.Wrapper99.invokeMethod(Wrapper99.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$i13pYI1W(MonitorFilter.java:74) at com.alibaba.dubbo.monitor.support.MonitorFilter.invoke$original$i13pYI1W$accessor$5piMJOfc(MonitorFilter.java) at com.alibaba.dubbo.monitor.support.MonitorFilter$auxiliary$7kEPcfxx.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: Unknown error%!(EXTRA string=invalid protocol version: 255) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:965) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3978) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3914) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2530) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2683) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2491) at com.mysql.jdbc.ConnectionImpl.commit$original$oB658lDt(ConnectionImpl.java:1555) at com.mysql.jdbc.ConnectionImpl.commit$original$oB658lDt$accessor$6X05apFw(ConnectionImpl.java) at com.mysql.jdbc.ConnectionImpl$auxiliary$Ot1PWZqX.call(Unknown Source) at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstMethodsInter.intercept(InstMethodsInter.java:93) at com.mysql.jdbc.ConnectionImpl.commit(ConnectionImpl.java) at com.mchange.v2.c3p0.impl.NewProxyConnection.commit(NewProxyConnection.java:803) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCommit(DataSourceTransactionManager.java:272) ... 46 more
  河南泉舜流體控制科技有限公司隸屬泉舜集團,注冊資金5000萬元,占地面積65.88畝,專業制造各種高、中、低壓流體控制成套設備。是河南省“雙高”企業,《偏心半球閥》國家標準核心編制單位,鄭州市“百高”企業,鄭州高新區固定資產投資先進企業、經濟突出貢獻和高成長型高新技術企業;并被命名為“省級企業技術中心”,“泉舜”牌閥門榮獲省優質名牌產品、節能產品、重點工業產品稱號。
  公司建立了全面的質量保證體系,先后取得了特種設備制造許可證(壓力管道元件)A1級資質 、ISO9001、ISO14001、OHSAS 18001、CE、AAA級信用資質等多項國內外通行標準認證,擁有發明、實用新型專利40余項,建成了先進的三維建模分析、CAD/CAM等專用閥門研發設計中心,現有加工中心、數控機床、大型立車、大型鏜床、磨床、多功能閥門性能試驗裝置等大批精良機械加工和工藝保障檢測設備。 
  公司在閥門以國代進和節能減排方面進行重點投入,相繼研發了雙向金屬密封旋球閥,抗結疤半球閥、針型調節閥、熔鹽閥、水煤漿放料閥等一大批具有自主知識產權的閥門新品,受到了近二百家國內外知名企業和重點工程項目的青睞。自主研制的第五代減溫減壓裝置獲到了國家級“節能減排”重點資金扶持推廣項目。先后有5個系列產品被河南省科技廳認定為高新技術產品。公司與多家國內知名設計院大專院校和特大型企業聯姻,為客戶提供流控設備非標產品研發及制造等技術方案。自主研發的偏心半球閥、疏水調節閥等多項主導產品全部實現了裝備制造的國產化!
  公司擁有一支年富力強、勇于開拓的銷售團隊,售后服務以滿足用戶節能降耗、增值增效為核心理念。公司現有職工318人,工程技術人員56名,其中教授級、高級技術人員15名,大中專以上技術型人員占到員工總數的80% 以上。
  今天,會拼敢贏的泉舜人正在全力鑄就百年企業品牌,以回饋各界對泉舜流控的厚愛和支持!
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