classpath problem

hi,
I make the all tricks but I dont get resolve the problem.
I add mysql.jar  to classpath, into repository for merlin and my project repository (mysql/jars/mysql.jar).
but I ididnt solve the problem.
I use merlin : 3.2.1
why merlin dont see the jars in the classpath.
thanks.
[ERROR  ] (openim.users-manager.AccountRepositoryHolder): com.mysql.jdbc.Driver
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
        at java.net.URLClassLoader$1.run(URLClassLoader.java:199)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
        at java.lang.Class.forName0(Native Method)
[INFO   ] (openim.users-manager.AccountRepositoryHolder): load
[ERROR  ] (openim.users-manager.AccountRepositoryHolder): No suitable driver
java.sql.SQLException: No suitable driver
        at java.sql.DriverManager.getConnection(DriverManager.java:532)
        at java.sql.DriverManager.getConnection(DriverManager.java:193)
        at net.java.dev.openim.data.storage.AccountRepositoryHolderImpl.loadMap(AccountRepositoryHolderImpl.java:273)
        at net.java.dev.openim.data.storage.AccountRepositoryHolderImpl.initialize(AccountRepositoryHolderImpl.java:82)
        at org.apache.avalon.activation.appliance.impl.DefaultAppliance.applyInitialization(DefaultAppliance.java:991)
        at org.apache.avalon.activation.appliance.impl.DefaultAppliance.access$1300(DefaultAppliance.java:109)
        at org.apache.avalon.activation.appliance.impl.DefaultAppliance$StandardFactory.newInstance(DefaultAppliance.java:1320)
[ERROR  ] (openim.users-manager.AccountRepositoryHolder): org.xml.sax.SAXParseException: Document root element is missing.
com.thoughtworks.xstream.xml.CannotParseXMLException: org.xml.sax.SAXParseException: Document root element is missing.
        at com.thoughtworks.xstream.xml.dom.DomXMLReaderDriver.createReader(DomXMLReaderDriver.java:30)
        at com.thoughtworks.xstream.XStream.fromXML(XStream.java:114)
        at net.java.dev.openim.data.storage.AccountRepositoryHolderImpl.loadMap(AccountRepositoryHolderImpl.java:296)
        at net.java.dev.openim.data.storage.AccountRepositoryHolderImpl.initialize(AccountRepositoryHolderImpl.java:82)
        at org.apache.avalon.activation.appliance.impl.DefaultAppliance.applyInitialization(DefaultAppliance.java:991)
        at org.apache.avalon.activation.appliance.impl.DefaultAppliance.access$1300(DefaultAppliance.java:109)
        at org.apache.avalon.activation.appliance.impl.DefaultAppliance$StandardFactory.newInstance(DefaultAppliance.java:1320)
rethrown from
org.xml.sax.SAXParseException: Document root element is missing.
        at org.apache.crimson.parser.Parser2.fatal(Parser2.java:3376)
        at org.apache.crimson.parser.Parser2.fatal(Parser2.java:3364)
        at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:668)
        at org.apache.crimson.parser.Parser2.parse(Parser2.java:337)
        at org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:448)
        at org.apache.crimson.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:185)
        at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:76)
[DEBUG  ] (openim.users-manager.AccountRepositoryHolder.appliance): established: 5626173
[INFO   ] (openim.users-manager.AccountRepositoryHolder): mustech
[ERROR  ] (openim.users-manager.AccountRepositoryHolder): 
java.lang.NullPointerException
        at net.java.dev.openim.data.storage.AccountRepositoryHolderImpl.getAccount(AccountRepositoryHolderImpl.java:100)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.apache.avalon.activation.appliance.impl.DefaultAppliance$ApplianceInvocationHandler.invoke(DefaultAppliance.java:1227)
        at $Proxy26.getAccount(Unknown Source)


		
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