"An unexpected error has occurred" error on the HTML5 client when clicking on Update Manager tab
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Article ID: 307179
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Updated On:
Products
VMware vCenter Server
Issue/Introduction
Symptoms:
Update Manager 6.7 throws an error "An unexpected error has occurred"
In /var/log/vmware/vsphere-ui/logs/vsphere_client_virgo.log:
[INFO ] tp-nio-127.0.0.1-5090-exec-5 com.vmware.vum.client.websocket.VumWebSocketEndpoint Websocket opened with session: 1d4 [INFO ] p-nio-127.0.0.1-5090-exec-14 com.vmware.vum.client.vc.VumVcServiceImpl Time for extracting VUM Extension info: 16.065161 ms. [WARN ] p-nio-127.0.0.1-5090-exec-14 com.vmware.vum.client.remoting.impl.VumServiceImpl Request failed java.lang.IllegalArgumentException: array element type mismatch at java.lang.reflect.Array.set(Native Method) at com.vmware.vim.vmomi.core.soap.impl.unmarshaller.ArrayStackContext.getValue(ArrayStackContext.java:92) at com.vmware.vim.vmomi.core.soap.impl.unmarshaller.UnmarshallerImpl$UnmarshallContext.unmarshall(UnmarshallerImpl.java:205
Environment
vCenter Server 7.x
Resolution
Login to VCSA using putty/ssh session as root user.
Stop the vsphere-ui service using command
service-control --stop vsphere-ui
Rename the "work" folder for vsphere-ui using the below steps,
Use WinSCP and navigate to folder and rename the folder as well (additional option).