从 UM 获取 WFA 缓存失败，并显示错误 "PKIX 路径构建失败 '

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Category:: active-iq-unified-manager

Specialty:: OM

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适用于

ActiveIQ Unified Manager （ UM ） 9.7
OnCommand Workflow Automation （ WFA ） 5.1

问题

在 UM 集群中，从 WFA 采集缓存失败

Name: submit.wfa.cache.acquistion.request

Description: Initiate cache acquisition on WFA for the UM data source (name = UM 9.7 : <fqdn> ).

Failure reason: Failed to connect to WFA server. I/O error on POST request for "https://<um fqdn>:443/rest/data_sources/UM<wfa fqdn>/cm_storage/jobs": PKIX path building failed: Sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target; nested exception....