Connection to VDB remains valid after VDB is undeployed

Connection con = TeiidDriver.getInstance().connect( "jdbc:teiid:myvdb@mm: //localhost:31000;user=user;password=password" , new Properties()); System .out.println(con.isValid(1)); // undeploy VDB System .out.println(con.isValid(1)); Output: Unable to find source-code formatter for language: text. Available languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy, haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow, ruby, scala, sh, sql, swift, visualbasic, xml, yaml true true