D.1 Precautions for restarting Cosminexus HTTP Server

If the cause of a failure that occurred while restarting Cosminexus HTTP Server exists in the Easy Setup definition file (if the Smart Composer functionality is not used, the redirector definition file (mod_jk.conf) or the workers file (workers.properties)), the message is output to one of the following:

Start command execution window or event log of Cosminexus HTTP Server
- When Cosminexus HTTP Server is started, stopped, or restarted from the Command Prompt, the message is output to the Start command execution window.
- When Cosminexus HTTP Server is started, stopped, or restarted from the service, the message is output in the event log. This is applicable only in Windows.
Error log files for Cosminexus HTTP Server

By default, error log files are output to the following locations:
- In Windows
  
  Cosminexus-HTTP-Server-installation-directory\logs\error.log
- In UNIX
  
  /opt/hitachi/httpsd/logs/error.log

The following table describes each of the output messages:

Table D‒1: Messages output in the Start command execution window or event log of Cosminexus HTTP Server
Message	Cause and Action
JkWorkersFile file_name invalid^#	The file name specified in the `JkWorkersFile` key is invalid. Correct the value specified in the `JkWorkers`File key, and then restart the Web server.
Can't find the workers file specified^#	The specified workers file cannot be found. Check whether the file specified in the `JkWorkersFile` key exists, and then restart the Web server.
Content should start with /^#	The first character in the URL pattern is not forward slash (`/`). Correct the first character of the URL pattern specified in the `JkMount` key to forward slash (`/`), and then restart the Web server.
JkOptions: Illegal option '`a...a`'	The value (`a...a`) specified in the `JkOption` key is invalid. Correct the value specified in the `JkOption` key, and then restart the Web server.
`a...a` takes `b...b` arguments,	The number of values that can be specified in the key shown in `a...a` is `b...b`. Correct the number of values that are specified in the key shown in `a...a`, and then restart the Web server.
`a...a` must be On or Off	The value that can be specified in the key shown in `a...a` is either `On` or `Off`. Change the value specified in the key shown in `a...a` to `On` or `Off`, and then restart the Web server.
JkModulePriority: Invalid value specified.`a...a`	The value `a...a` specified in the `JkModulePriority` key is invalid. Specify the correct value in the `JkModulePriority` key, and then restart the Web server.

#: This message is output only in UNIX.

Table D‒2: Error log files of Cosminexus HTTP Server
Message	Description and action
[Time] [emerg] Memory error	The memory is insufficient. Secure the memory that the system can use, and then restart the Web server.
[Time] [emerg] Error while opening the workers^#	One of the following problems occurred: Opening of the workers file failed. Check whether read permission is included in the access permission of the file specified in the `JkWorkersFile` key, and then restart the Web server. The contents of the workers file are invalid. Correct the contents of the workers file, and then restart the Web server.
[Time] [emerg] Error while checking the mod_jk.conf^#	The description in the redirector definition file is inappropriate. Check the message output in the redirector, and then restart the Web server.

#: This message is output only in UNIX.

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