please try againinclude error,path:/comp/intro/category?compId=intro_category-15459665919932045 cause:org.springframework.web.util.NestedServletException: Request processing failed; nested exception is com.alibaba.dubbo.rpc.RpcException: Failed to invoke the method findContentList in the service cn.ce.ebiz.introduction.service.IntroductionContentService. Tried 2 times of the providers [10.20.10.180:20881, 10.20.10.178:20881] (2/6) from the registry bj-zw-paas-midd-zk-node1-pool4.online.local:2181 on the consumer 10.20.10.59 using the dubbo version 2.6.0. Last error is: Invoke remote method timeout. method: findContentList, provider: dubbo://10.20.10.180:20881/cn.ce.ebiz.introduction.service.IntroductionContentService?anyhost=true&application=front&check=false&default.check=false&default.reference.filter=cecontext&default.retries=1&default.service.filter=cecontext&default.timeout=5000&dispatcher=connection&dubbo=2.6.0&generic=false&interface=cn.ce.ebiz.introduction.service.IntroductionContentService&iothreads=4&loadbalance=leastactive&logger=slf4j&methods=deleteIntroductionRelated,getRelatedIds,findContentListByRelatedIds,getBreadcrumbData,saveIntroductionRelatedByType,findIntroductionRelatedByType,deleteCategory,findContentList,getSimpleTitle,findByPagination,saveIntroductionContent,updateShortUrl,getById,getSearchTips,dragSortIntroAndCate,findMobileContentList,findIntroductionAdmixDataPageList,findListIntroductionContent,deleteIntroductionRelatedByType,getDefaultParamId,deleteIntroductionBigField,updateContentState,findRelationVoList,updateIntroductionContent,getIntroductionContentByID,findFrontIntroContent,getSemanticValue,findIntroductionContentPageList,deleteIntroductionContent,updateBatch,getCatCount,saveIntroductionRelated,findAllIntroduction,findContentListByRelatedIdsOrderByIds,getAppIds&owner=ebiz&payload=15728640&pid=16146®ister.ip=10.20.10.59&remote.timestamp=1597280132205&revision=1.0.0-SNAPSHOT&side=consumer&timeout=1500×tamp=1597133507484, cause: Waiting server-side response timeout by scan timer. start time: 2020-08-13 10:22:57.865, end time: 2020-08-13 10:22:59.393, client elapsed: 0 ms, server elapsed: 1528 ms, timeout: 1500 ms, request: Request [id=18683454, version=2.0.0, twoway=true, event=false, broken=false, data=RpcInvocation [methodName=findContentList, parameterTypes=[interface java.util.Map], arguments=[{categoryIds=[3], isdisplay=0}], attachments={consumerApplicationName=front, tenantId=125172, mobileRunning=true, pcRunning=true, appId=1, currentDomain=http://www.shikefeng.com.cn, uniteType=100001, productMode=true, sourceApp=1, consumerHostIp=10.20.10.178, viewType=1, interface=cn.ce.ebiz.introduction.service.IntroductionContentService, consumerOsName=Linux, sw3=, version=0.0.0, formal=true, useViewType=true, path=cn.ce.ebiz.introduction.service.IntroductionContentService, timeout=1500, consumerJavaRuntimeVersion=1.7.0_79-b15, consumerOsVersion=3.10.0-327.el7.x86_64}]], channel: /10.20.10.59:50093 -> /10.20.10.180:20881