Getting "Internal Server error" in Hub but access to QMC works fine.Article Number: 000048396 | Last Modified: 2019/10/29
Reviewing the Proxy's Trace System_Proxy logs indicates issue with connectivity on port 4900.
Reviewing the Proxy's Trace Audit_Proxy logs indicates issue with websocket connectivity on port 4747.
These ports are used by Qlik Sense Engine and Blocking services. See Sense used Ports.
The result of the following commands indicate PIDs that are not of Qlik Sense services origin:
netstat -bano | findstr :4900
netstat -bano | findstr :4747
- Qlik Sense Enterprise, all versions
Note: Only port 4900 is documented to be used by HFSQL publicly.
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