Hi there, can anybody help me on this. I have posted this problem in
user mailing list 3-4 times in last two weeks but I havn't got any reply
that can solve my problem. Please help me.
Problem:
I am using Tomcat 5.5.17 and tried running a sample datasource
application having a jsp page (see contents below) using the Cloudscape
database. I have added the driver jar into CATALINA_HOME/common/lib
directory. When I run the jsp I get following exception
WARNING: Unexpected exception resolving reference
java.lang.NoSuchMethodException:
com.ibm.db2j.jdbc.DB2jDataSource.setScope(boolean)
at java.lang.Class.getMethod(Class.java:1581)
at
com.ibm.db2j.jdbc.DB2jAbstractDataSource.getObjectInstance(Unknown
Source)
........
************************************************************************
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Contents of file CATALINA_HOME/webapps/myApp/dbdemo.jsp
************************************************************************
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<%@ page import="javax.sql.*" %>
<%@ page import="java.sql.*" %>
<%@ page import="javax.naming.*" %>
<%
Connection con = null;
Statement stmt = null;
try {
Context initContext = new InitialContext();
Context envContext =
(Context)initContext.lookup("java:comp/env");
DataSource ds = (DataSource)envContext.lookup("jdbc/MyDB");
System.out.println("Got DataSource\n");
con = ds.getConnection();
System.out.println("Got Connection\n"); }
catch(java.lang.Exception e) {
e.printStackTrace();
System.err.print(e.getClass().getName());
System.err.println(e.getMessage());
}
try {
stmt = con.createStatement();
ResultSet rs = stmt.executeQuery("SELECT * FROM employee");
System.out.println("Table assignment after insertion:");
%>
Your table contains the following entries:<BR>
<table>
<tr><B><th>emp_id</th><th>emp_name</th><th>emp_dept</th></B></tr>
<%
while (rs.next()) {
String emp_id = rs.getString("emp_id");
String emp_name = rs.getString("emp_name");
String emp_dept = rs.getString("emp_dept");
%>
<tr>
<td><%=emp_id%></td><td><%=emp_name%></td><td><%=emp_dept%></td>
</tr>
</table>
<%
}
rs.close(); stmt.close(); con.close();
}
catch(java.lang.Exception e) {
e.printStackTrace();
}%>
************************************************************************
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Contents of file CATALINA_HOME/conf/server.xml
************************************************************************
********
<?xml version="1.0" encoding="UTF-8"?>
<Server>
<Listener className="org.apache.catalina.core.AprLifecycleListener"/>
<Listener
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"/
>
<Listener
className="org.apache.catalina.storeconfig.StoreConfigLifecycleListener"
/>
<Listener
className="org.apache.catalina.mbeans.ServerLifecycleListener"/>
<GlobalNamingResources>
<Environment name="simpleValue" type="java.lang.Integer"
value="30"/>
<Resource auth="Container"
description="User database that can be updated and saved"
name="UserDatabase" type="org.apache.catalina.UserDatabase"
pathname="conf/tomcat-users.xml"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"/>
<Resource name="jdbc/MyDB" type="javax.sql.DataSource"
password="password" driverClassName="com.ibm.db2j.jdbc.DB2jDriver"
maxIdle="2" maxWait="5000" username="user"
url="jdbc:db2j:E:/apache-tomcat-5.5.17/webapps/datasourcedemo/SampleDB"
maxActive="4"/>
</GlobalNamingResources>
<Service name="Catalina">
<Connector port="8080" redirectPort="8443" minSpareThreads="25"
connectionTimeout="20000" maxSpareThreads="75" maxThreads="150">
</Connector>
<Connector port="8009" redirectPort="8443" protocol="AJP/1.3">
</Connector>
<Engine defaultHost="localhost" name="Catalina">
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"/>
<Host appBase="webapps" name="localhost">
</Host>
</Engine>
</Service>
</Server>
************************************************************************
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Contents of file CATALINA_HOME/webapps/myApp/WEB-INF/web.xml
************************************************************************
********
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";>
<display-name>
datasourcedemo</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<resource-ref>
<res-ref-name>jdbc/MyDB</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
************************************************************************
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Contents of file CATALINA_HOME/webapps/myApp/META-INF/context.xml
************************************************************************
********
<?xml version="1.0" encoding="UTF-8"?>
<Context>
<Resource auth="Container" name="jdbc/MyDB"
type="com.ibm.db2j.jdbc.DB2jDataSource"
password="password" driverClassName="com.ibm.db2j.jdbc.DB2jDriver"
factory="com.ibm.db2j.jdbc.DB2jConnectionPoolDataSource"
maxIdle="4" testOnBorrow="true" validationQuery="select 1"
username="user"
url="jdbc:db2j:E:/apache-tomcat-5.5.17/webapps/datasourcedemo/SampleDB"
timeBetweenEvictionRunsMillis="30000" maxActive="8"/> </Context>
Regards,
Jitendra
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