PostgreSQL error - cannot figure out?

[Deepak Murthy]

Hi All,

I am getting this error not sure, how to go further. Please help me

C:\SchemaSpy>java -jar schemaSpy.jar -t pgsql -db Learn -s sandbox_test -host localhost -port 5432 -u deepakm -p ******* -o schemaspy
Failed to query Graphviz version information: java.io.IOException: Cannot run program "dot": CreateProcess error=2, The system cannot find the file specified
Using database properties:
    [schemaSpy.jar]/net/sourceforge/schemaspy/dbTypes/pgsql.properties
java.lang.ClassNotFoundException: org.postgresql.Driver

Failed to load driver 'org.postgresql.Driver'
This entry doesn't point to a valid file/directory: [\whereever\postgresql-8.0-312.jdbc3.jar]

Use the -dp option to specify the location of the database
drivers for your database (usually in a .jar or .zip/.Z).

[Maxim]

Hi! Are you solved this problem?
Tell me please how you are solved this problem?
Java 1.0.8.231
PostgreSQL 9.6