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This documentation refers to a previously released version of BMC Atrium Discovery (other versions).

Diagnosing Hostname Problems

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Some issues are indicative of incorrectly configured hostnames.

Visualizations and Export do not Display

This problem can be identified if you see a 500 Error - Internal Server Error! page in the UI when
attempting to load visualizations. You will also see the following error message in $TIDEWAY/tomcat/logs/catalina.out:

java.net.UnknownHostException: local_hostname: local_hostname

where local_hostname is the hostname set on the machine.

To resolve this problem, see Setting the Hostname Locally.

Cannot Access the UI – 500 Internal Server Error

This error can have many causes, as it results from one or more of the tideway services failing to start. A common cause however is that localhost cannot be resolved. If this is the case errors of the following form are displayed when restarting the tideway services.

[current date/time] [error] couldn't resolve WKServer address
[current date/time] [error] Couldn't resolve hostname for WebKit Server

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