Dubbo exception Not found exported service

is the dubbo exception Not found exported service, caused by a zookeeper failure or a network problem? The log is as follows: 

[18-8-30 7:49:14:487 CST] 00000028 SystemOut     O 2018-08-30 07:49:14,487 INFO [com.alibaba.dubbo.rpc.protocol.dubbo.CallbackServiceCodec] -  [DUBBO] Not found exported service: com.alibaba.dubbo.registry.RegistryService:20000 in [com.hsit.cm.ot.service.ICmOtBizAuditLogServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafLevelServiceEx:20000, com.hsit.cm.om.service.ICmOmDivisionServiceEx:20000, com.hsit.cm.om.service.ICmOmSubBankServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafTypeServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafColorServiceEx:20000, com.hsit.cm.om.service.ICmOmPositionJobRelServiceEx:20000, com.hsit.cm.log.service.ICmLogMappingServiceEx:20000, com.hsit.cm.om.service.ICmOmOriginInfoServiceEx:20000, com.hsit.cm.pi.service.ICmPiParamHistoryMasServiceEx:20000, com.hsit.cm.ot.service.ICmOtYearServiceEx:20000, com.hsit.cm.ot.service.ICmOtParamServiceEx:20000, com.hsit.cm.ot.service.ICmOtHomeCustomServiceEx:20000, com.hsit.cm.ot.service.ICmOtSerialRuleServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafPositionServiceEx:20000, com.hsit.cm.ot.service.ICmOtUnitServiceEx:20000, com.hsit.cm.om.service.ICmOmOrgSupplierServiceEx:20000, com.hsit.cm.om.service.ICmOmElecDocInfoServiceEx:20000, com.hsit.pp.se.service.IPpSeAreaServiceEx:20000, com.hsit.cm.om.service.ICmOmDepartmentServiceEx:20000, com.hsit.cm.ot.service.ICmOtAreaServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafCountryServiceEx:20000, com.hsit.hw.hw.service.IHwHwDeviceRegisterServiceEx:20000, com.hsit.cm.log.service.ICmLogManageServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafIndustryLevelServiceEx:20000, com.hsit.hw.hw.service.IHwHwDeviceSwitchServiceEx:20000, com.hsit.cm.board.service.IRaCommonServiceEx:20000, tso.service.ISerialRuleServiceEx:20000, com.hsit.cm.om.service.ICmOmProductionModeServiceEx:20000, com.hsit.cm.md.service.ICmMdIndexServiceEx:20000, com.hsit.cm.ot.service.ICmOtBuyStationModeServiceEx:20000, tso.hardware.IHardwareParamServiceEx:20000, com.hsit.cm.om.service.ICmOmStorageServiceEx:20000, com.hsit.cm.om.service.ICmOmOrgGisServiceEx:20000, com.hsit.cm.om.service.ICmOmIdDivisionServiceEx:20000, com.hsit.cm.ot.service.ICmOtPrintTplServiceEx:20000, com.hsit.cm.ot.service.ICmOtPcMarginServiceEx:20000, tso.print.IPrintManageServiceEx:20000, com.hsit.cm.om.service.ICmOmStationInfoExServiceEx:20000, com.hsit.cm.md.service.ICmMdRelationServiceEx:20000, com.hsit.cm.ot.service.ICmOtIpmappingServiceEx:20000, com.hsit.cm.ot.service.ICmOtEnumTypeServiceEx:20000, com.hsit.cm.pr.service.IPortalCacheServiceEx:20000, tso.sys.ITsoParamServiceEx:20000, com.hsit.cm.om.service.ICmOmStaffLoanInfoServiceEx:20000, tso.sys.IUserManageServiceEx:20000, com.hsit.cm.ot.service.ICmOtSerialServiceEx:20000, com.hsit.cm.ot.service.ICmOtProductCodingServiceEx:20000, com.hsit.cm.ot.service.ICmOtHomeStoreServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafRankServiceEx:20000, com.hsit.cm.om.service.ICmOmOrgMainServiceEx:20000, com.hsit.cm.md.service.ICmMdSettingValidateServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafVarietyServiceEx:20000, tso.sys.IUserRightManageServiceEx:20000, com.hsit.cm.md.service.ICmMdRuleMasServiceEx:20000, com.hsit.cm.md.service.ICmMdQueryformServiceEx:20000, com.hsit.cm.md.service.ICmMdRuleDetailServiceEx:20000, com.hsit.cm.om.service.ICmOmStaffServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafFormServiceEx:20000, com.hsit.cm.pi.service.ICmPiParamServiceEx:20000, com.hsit.cm.ot.service.ICmOtChgRecordDetlServiceEx:20000, com.hsit.cm.ot.service.ICmOtFunMenuServiceEx:20000, com.hsit.cm.om.service.ICmOmCellServiceEx:20000, com.hsit.cm.md.service.ICmMdGroupServiceEx:20000, com.hsit.hw.hw.service.IHwHwStationParamServiceEx:20000, com.hsit.cm.om.service.ICmOmElecDocCatagoryServiceEx:20000, com.hsit.cm.ot.service.ICmOtPersonCaBandServiceEx:20000], may be version or group mismatch , channel: consumer: /10.92.40.8:42539 --> provider: /10.92.40.8:20000, message:RpcInvocation [methodName=subscribe, parameterTypes=[class com.alibaba.dubbo.common.URL, interface com.alibaba.dubbo.registry.NotifyListener], arguments=null, attachments={timeout=10000, sys_callback_arg-1=2073197458, path=com.alibaba.dubbo.registry.RegistryService, version=0.0.0, interface=com.alibaba.dubbo.registry.RegistryService, dubbo=2.4.9-sp5-20150715}], dubbo version: 2.4.9-sp5-20150715, current host: 10.92.40.8
com.alibaba.dubbo.remoting.RemotingException: Not found exported service: com.alibaba.dubbo.registry.RegistryService:20000 in [com.hsit.cm.ot.service.ICmOtBizAuditLogServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafLevelServiceEx:20000, com.hsit.cm.om.service.ICmOmDivisionServiceEx:20000, com.hsit.cm.om.service.ICmOmSubBankServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafTypeServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafColorServiceEx:20000, com.hsit.cm.om.service.ICmOmPositionJobRelServiceEx:20000, com.hsit.cm.log.service.ICmLogMappingServiceEx:20000, com.hsit.cm.om.service.ICmOmOriginInfoServiceEx:20000, com.hsit.cm.pi.service.ICmPiParamHistoryMasServiceEx:20000, com.hsit.cm.ot.service.ICmOtYearServiceEx:20000, com.hsit.cm.ot.service.ICmOtParamServiceEx:20000, com.hsit.cm.ot.service.ICmOtHomeCustomServiceEx:20000, com.hsit.cm.ot.service.ICmOtSerialRuleServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafPositionServiceEx:20000, com.hsit.cm.ot.service.ICmOtUnitServiceEx:20000, com.hsit.cm.om.service.ICmOmOrgSupplierServiceEx:20000, com.hsit.cm.om.service.ICmOmElecDocInfoServiceEx:20000, com.hsit.pp.se.service.IPpSeAreaServiceEx:20000, com.hsit.cm.om.service.ICmOmDepartmentServiceEx:20000, com.hsit.cm.ot.service.ICmOtAreaServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafCountryServiceEx:20000, com.hsit.hw.hw.service.IHwHwDeviceRegisterServiceEx:20000, com.hsit.cm.log.service.ICmLogManageServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafIndustryLevelServiceEx:20000, com.hsit.hw.hw.service.IHwHwDeviceSwitchServiceEx:20000, com.hsit.cm.board.service.IRaCommonServiceEx:20000, tso.service.ISerialRuleServiceEx:20000, com.hsit.cm.om.service.ICmOmProductionModeServiceEx:20000, com.hsit.cm.md.service.ICmMdIndexServiceEx:20000, com.hsit.cm.ot.service.ICmOtBuyStationModeServiceEx:20000, tso.hardware.IHardwareParamServiceEx:20000, com.hsit.cm.om.service.ICmOmStorageServiceEx:20000, com.hsit.cm.om.service.ICmOmOrgGisServiceEx:20000, com.hsit.cm.om.service.ICmOmIdDivisionServiceEx:20000, com.hsit.cm.ot.service.ICmOtPrintTplServiceEx:20000, com.hsit.cm.ot.service.ICmOtPcMarginServiceEx:20000, tso.print.IPrintManageServiceEx:20000, com.hsit.cm.om.service.ICmOmStationInfoExServiceEx:20000, com.hsit.cm.md.service.ICmMdRelationServiceEx:20000, com.hsit.cm.ot.service.ICmOtIpmappingServiceEx:20000, com.hsit.cm.ot.service.ICmOtEnumTypeServiceEx:20000, com.hsit.cm.pr.service.IPortalCacheServiceEx:20000, tso.sys.ITsoParamServiceEx:20000, com.hsit.cm.om.service.ICmOmStaffLoanInfoServiceEx:20000, tso.sys.IUserManageServiceEx:20000, com.hsit.cm.ot.service.ICmOtSerialServiceEx:20000, com.hsit.cm.ot.service.ICmOtProductCodingServiceEx:20000, com.hsit.cm.ot.service.ICmOtHomeStoreServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafRankServiceEx:20000, com.hsit.cm.om.service.ICmOmOrgMainServiceEx:20000, com.hsit.cm.md.service.ICmMdSettingValidateServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafVarietyServiceEx:20000, tso.sys.IUserRightManageServiceEx:20000, com.hsit.cm.md.service.ICmMdRuleMasServiceEx:20000, com.hsit.cm.md.service.ICmMdQueryformServiceEx:20000, com.hsit.cm.md.service.ICmMdRuleDetailServiceEx:20000, com.hsit.cm.om.service.ICmOmStaffServiceEx:20000, com.hsit.cm.tb.service.ICmTbLeafFormServiceEx:20000, com.hsit.cm.pi.service.ICmPiParamServiceEx:20000, com.hsit.cm.ot.service.ICmOtChgRecordDetlServiceEx:20000, com.hsit.cm.ot.service.ICmOtFunMenuServiceEx:20000, com.hsit.cm.om.service.ICmOmCellServiceEx:20000, com.hsit.cm.md.service.ICmMdGroupServiceEx:20000, com.hsit.hw.hw.service.IHwHwStationParamServiceEx:20000, com.hsit.cm.om.service.ICmOmElecDocCatagoryServiceEx:20000, com.hsit.cm.ot.service.ICmOtPersonCaBandServiceEx:20000], may be version or group mismatch , channel: consumer: /10.92.40.8:42539 --> provider: /10.92.40.8:20000, message:RpcInvocation [methodName=subscribe, parameterTypes=[class com.alibaba.dubbo.common.URL, interface com.alibaba.dubbo.registry.NotifyListener], arguments=null, attachments={timeout=10000, sys_callback_arg-1=2073197458, path=com.alibaba.dubbo.registry.RegistryService, version=0.0.0, interface=com.alibaba.dubbo.registry.RegistryService, dubbo=2.4.9-sp5-20150715}]
    at com.alibaba.dubbo.remoting.RemotingException.<init>(RemotingException.java:43)
    at com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol.getInvoker(DubboProtocol.java:217)
    at com.alibaba.dubbo.rpc.protocol.dubbo.CallbackServiceCodec.decodeInvocationArgument(CallbackServiceCodec.java:262)
    at com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation.decode(DecodeableRpcInvocation.java:130)
    at com.alibaba.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation.decode(DecodeableRpcInvocation.java:71)
    at com.alibaba.dubbo.rpc.protocol.dubbo.DubboCodec.decodeBody(DubboCodec.java:137)
    at com.alibaba.dubbo.remoting.exchange.codec.ExchangeCodec.decode(ExchangeCodec.java:128)
    at com.alibaba.dubbo.remoting.exchange.codec.ExchangeCodec.decode(ExchangeCodec.java:87)
    at com.alibaba.dubbo.rpc.protocol.dubbo.DubboCountCodec.decode(DubboCountCodec.java:49)
    at com.alibaba.dubbo.remoting.transport.netty.NettyCodecAdapter$InternalDecoder.messageReceived(NettyCodecAdapter.java:135)
    at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:80)
    at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
    at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
    at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:274)
    at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:261)
    at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:349)
    at org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:280)
    at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:200)
    at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
    at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:44)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:949)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:973)
    at java.lang.Thread.run(Thread.java:767)
Zookeeper dubbo
May.12,2021

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e51499-4513b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e51499-4513b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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