1, mysql database connection error
Solution: tools - driver manager to remove the extra drive, only com.mysql.jdbc.Driver
2, open the tool to report serious errors
The reason: It may be installed so that the tool can not find another version jdk jdk1.6 the
Solution:
In the environment variable configured, a name for the "DBVIS_JAVA_HOME" environment variable, jdk version can be specified as 1.6!