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[DataSpider Servista] If I select [Global Resource Settings], it hangs up and there is no response.
If I select [Global resource settings] in the DataSpider Studio control panel, it hangs up and there is no response. But if I select a function other than the global resources, it works without any problem. Please explain the cause and a way to resolve this problem.
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Answer
■Cause
If you send a request to get information on the global resources to DataSpiderServer and it changes to wait mode due to no response, the error occurs.
In the past case, when Component Pool GC (*) stopped due to the following factors, DataSpider Studio hung up because the information on the list of global resources was unable to be acquired.
- A response could not be received from the connection destination due to a network failure
- The load on a server was very high
*Please refer to Help from "Reference Information" for details on Component Pool GC.
■Workaround
If Component Pool GC is stopped, please restart DataSpiderServer.
The Component Pool GC will restart and global resources will display.
■Supplementary
When you need to confirm that Component Pool GC is operating, please check if the Component Pool GC log is output every 3 minutes in the server log ($ DATASPIDER_HOME /server/logs/ server.log).
For example, when the Component Pool GC is executed on September 16, 9:31:35, the log is output as follows.
09/16 09:31:35|FINFO|ds.kernel.mgr.dpc.pool|GC_START
09/16 09:31:35|FINFO|ds.kernel.mgr.dpc.pool|GC_END
Also, there is no way to restart the Component Pool GC once it has stopped, other than restarting DataSpiderServer. Please restart DataSpiderServer if the error occurs.
Reference Information
・The lifetime of pooled connections
https://www.hulft.com/help/en-us/DataSpider/dss42sp2/help/en/servista/global_resource.html#component_pool_lifecycle