<Context path="/Bank" docBase="Bank" debug="5" reloadable="true" crossContext="true">    <Logger className="org.apache.catalina.logger.FileLogger" prefix="Bank_log." suffix=".txt" timestamp="true"/>   
<Resource name="oracle-10g" auth="Container" type="javax.sql.DataSource"/>    
<ResourceParams name="oracle-10g">        
<parameter>            
<name>username</name>            
<value>wind</value>        
</parameter>        
<parameter>            
<name>password</name>            
<value>wind</value>        
</parameter>        
<parameter>            
<name>factory</name>            <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>        
</parameter>        
<parameter>            
<name>maxActive</name>            
<value> 20 </value>        
</parameter>        
<parameter>            
<name>maxIdle</name>            
<value> 2 </value>        
</parameter>        
<parameter>            
<name>maxWait</name>            
<value> 1000 </value>        
</parameter>        
<parameter>            
<name>removeAbandonedTimeout</name>            
<value> 300 </value>        
</parameter>        
<parameter>            
<name>driverClassName</name>            
<value>oracle.jdbc.driver.OracleDriver</value>        
</parameter>        
<parameter>            
<name>url</name>            
<value>jdbc:oracle:thin:@ 127 . 0 . 0 . 1 : 1521 :WRO</value>        
</parameter>    
</ResourceParams>
</Context>

<resource-ref>
<res-ref-name>oracle-10g</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>

 public   class  StoredProcIU {
     private   static  DataSource pool;
     private   static  Context env;
    
     static {
        try {
        env = (Context)  new  InitialContext().lookup("java:comp/env");
        pool = (DataSource) env.lookup("oracle-10g");
         if (pool ==  null )
         throw   new  Exception("'LemmaOracleWRO' неизвестный источник");
    }  catch  (Exception e){
        System.out.println(e);
    }
    }

 public   static   void  addNewUser(String Surname, String Name,String Patronimic, 
                            String user_name,String password,String GroupName){
                            
     if ((! check(Surname)) || (! check(Name)) || (!check(Patronimic)) ||
    (! check(user_name)) || (! check(password)) || (! check(GroupName)))
     throw   new  IllegalArgumentException(
    "Invalid param values passed to addNewUser()");

Cannot create JDBC driver of  class  ''  for  connect URL 'null'
java.sql.SQLException: No suitable driver
	at java.sql.DriverManager.getDriver(DriverManager.java: 243 )