The InitialContext is configured as a web application is initially deployed, and is made available to web application components (for read-only access). All configured entries and resources are placed in thejava:comp\/env portion of the JNDI namespace, so a typical access to a resource – in this case, to a JDBCDataSource – would look something like this:<\/p>\n
\/\/ Obtain our environment naming context<\/p>\n
Context initCtx = new InitialContext();<\/p>\n
Context envCtx = (Context) initCtx.lookup(“java:comp\/env”);<\/p>\n
<\/p>\n
\/\/ Look up our data source<\/p>\n
DataSource ds = (DataSource)<\/p>\n
envCtx.lookup(“jdbc\/EmployeeDB”);<\/p>\n
<\/p>\n
\/\/ Allocate and use a connection from the pool<\/p>\n
Connection conn = ds.getConnection();<\/p>\n
… use this connection to access the database …<\/p>\n
conn.close();<\/p>\n","protected":false},"excerpt":{"rendered":"
The InitialContext is configured as a web application is initially deployed, and is made available to web application components (for read-only access). All configured entries and resources are placed in thejava:comp\/env portion of the JNDI namespace, so a typical access to a resource – in this case, to a JDBCDataSource – would look something like…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[8678],"tags":[8720],"class_list":["post-75553","page","type-page","status-publish","hentry","category-tomcat","tag-using-resources"],"acf":[],"yoast_head":"\n