${jobTracker}
${nameNode}
&l
--meta-connect should have value in jdbc:hsqldb:hsql:// format(default is hsqldb). You can change it to mysql in your case.
You can override below properties in sqoop-site.xml to pass the metastore username and password:
sqoop.metastore.client.autoconnect.username
SA
The username to bind to the metastore.
sqoop.metastore.client.autoconnect.password
The password to bind to the metastore.
--meta-connect will read the username and password from here and will connect to the database.
You can refer the default sqoop-site.xml for more details