17.2.3 Analysis window

Error messages to be displayed in the analysis window are displayed on the analysis pages.

Messages displayed on the analysis pages

If any of the error messages is displayed, analysis results on the analysis pages (such as graphs and tables) are not displayed.

Error message	Meaning and action
There is no data in this period.	[Meaning] There is no data that satisfies the analysis conditions (analysis type and analysis term) in the database. [Cause] The following circumstances are likely: There are no accesses to the server to be analyzed. Although the server was accessed, no accesses were registered by the Usage DB Registration Engine. [Action] Check the log of the server to be analyzed and the startup status of the Usage DB Registration Engine.
Connection timeout from server. Please make analysis period short, or try again after a while.	[Meaning] Analysis was done, but a time-out occurred during communication with the Usage DB Reference Engine. [Cause] The following circumstances are likely: Because the server load was high, processing of the Usage DB Reference Engine was not completed. Because the load of the Usage DB Reference Engine was high, processing was not completed. [Action] Reduce the analysis time or retry after waiting a while.
Data not displayed. Analysis data is not correct.	[Meaning] Analysis was done, but a data error was detected during communication with the Usage DB Reference Engine. [Cause] The following circumstances are likely: The database is damaged. [Action] Check for errors in the Usage DB Registration Engine.
No response from server Connection timed out	[Meaning] Analysis was done, but a time-out occurred in the connection to the Usage DB Reference Engine. [Cause] The following circumstances are likely: The CGI of the Usage DB Reference Engine could not be accessed. The main unit of the Usage DB Reference Engine was not started. [Action] Check the settings of the virtual directories and the active status of services of the Usage DB Registration Engine.

Error message

Meaning and action

There is no data in this period.

[Meaning]

There is no data that satisfies the analysis conditions (analysis type and analysis term) in the database.

[Cause]

The following circumstances are likely:

There are no accesses to the server to be analyzed.
Although the server was accessed, no accesses were registered by the Usage DB Registration Engine.

[Action]

Check the log of the server to be analyzed and the startup status of the Usage DB Registration Engine.

Connection timeout from server.

Please make analysis period short, or try again after a while.

[Meaning]

Analysis was done, but a time-out occurred during communication with the Usage DB Reference Engine.

[Cause]

The following circumstances are likely:

Because the server load was high, processing of the Usage DB Reference Engine was not completed.
Because the load of the Usage DB Reference Engine was high, processing was not completed.

[Action]

Reduce the analysis time or retry after waiting a while.

Data not displayed.

Analysis data is not correct.

[Meaning]

Analysis was done, but a data error was detected during communication with the Usage DB Reference Engine.

[Cause]

The following circumstances are likely:

The database is damaged.

[Action]

Check for errors in the Usage DB Registration Engine.

No response from server

Connection timed out

[Meaning]

Analysis was done, but a time-out occurred in the connection to the Usage DB Reference Engine.

[Cause]

The following circumstances are likely:

The CGI of the Usage DB Reference Engine could not be accessed.
The main unit of the Usage DB Reference Engine was not started.

[Action]

Check the settings of the virtual directories and the active status of services of the Usage DB Registration Engine.