Connect to the data source using JNDI in Tomcat

Source: Internet
Author: User

1) Configure <resourceparams> in Tomcat <context> </context>, where name = "JDBC/datasource"
The JNDI name.
2) JavaCodeCall
Initialcontext CTX = new initialcontext ();
Context envctx = (context) CTX. Lookup ("Java: COMP/ENV ");
Datasource DS = (datasource) envctx. Lookup ("JDBC/datasource ");
Conn = Ds. getconnection ();

<Resourceparams name = "JDBC/datasource">
<Name> factory </Name>
<Value> org. Apache. commons. DBCP. basicperformancefactory </value>

Configure your mysqld max_connections large enough to handle
all of your DB connections. set to 0 for no limit.


set to 0 for no limit.


In MS, in this example 10 seconds. an exception is thrown if
this timeout is exceeded. set to-1 to wait indefinitely.


<! -- MySQL db username and password for DB connections -->
<Name> username </Name>
<Value> zlgl </value>
<Name> password </Name>
<Value> zlgl </value>

<! -- Class name for mm. MySQL JDBC driver -->
<Name> driverclassname </Name>
<Value> oracle. JDBC. Driver. oracledriver </value>

the autoreconnect = true argument to the URL makes sure that
MM. mySQL JDBC driver will automatically reconnect if mysqld closed the
connection. mysqld by default closes idle connections after 8 hours. -->

JDBC: oracle: thin: zlgl/ZLGL@ 1521: zlgl

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