java - Tomcat jdbc pool doesn't work -


i having slight problem using jdbc tomcat pool. have defined resource in context.xml, referring in web.xml. in database access method, somehow data source when user database. however, when type in: 

context initctx = new initialcontext(); context envctx = (context) initctx.lookup("java:comp/env"); datasource ds = (datasource) envctx.lookup("jdbc/testdb");

i error message "initialcontext cannot resolved type". problem here?

be sure import initialcontext, sounds missing compiler.


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