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Updated Installation (markdown)

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guylichtman 2012-07-18 05:54:43 -07:00
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Installation.md

@ -46,18 +46,6 @@ The AUDIT plugin will show up with the name AUDIT. Additionally you can verify t
### Troubleshooting
IF the AUDIT plugin fails to install error messages will be logged in the MySQL error log. Log file location can be queried in MySQL by running the following command:
show global variables like 'log_error';
**Common issue with checksum validation:** AUDIT plugin uses compiled offsets for accessing built-in MySQL data structures that are not exposed through a consistent API. The use of offsets is used for supporting multiple MySQL versions with a single binary distribution. The plugin will use the proper offsets according to the MySQL server version. To verify that the plugin is running on a MySQL version which we know and tested the offsets for, we've added a checksum verification on the mysqld binary. Thus, if a MySQL server distribution, which we haven't extracted the offsets and checksum for, is being used, the plugin will fail installation as the checksum of mysqld will not match a known checksum. Usually, the offsets between different MySQL distributions are the same for a specific version. Thus, it is possible to run the AUDIT plugin with the offsets of a specific MySQL server version without checksum verification. If checksum verification fails the log will contain an error of the form:
> Audit Plugin: Couldn't find proper THD offsets for: MYSQL_VERSION
In this case, you can try to disable the checksum verification. To disable checksum verification: add to the MySQL option file (my.cnf) at the [mysqld] section the option:
audit_validate_checksum=OFF
Then try installing the AUDIT plugin either via plugin-load configuration option (restart) or by issuing the INSTALL PLUGIN statement.
See: [[Troubleshooting]]