求助，急：在资源 XX使用的XX上调用上调用方法集 DataSourceProperties 时发生异常：

前段时间写的程序，测试时能用，现在想重用一下，却接连报错。以前写的其他的也都不能用了。
详细错误信息如下：
[11-8-12 9:48:30:619 CST] 0000003e J2CUtilityCla E J2CA0036E: 在资源 jdbc/counter 使用的 com.ibm.ws.rsadapter.spi.WSManagedConnectionFactoryImpl 上调用方法集 DataSourceProperties 时发生异常：java.lang.NoClassDefFoundError: com/ibm/db2/jcc/SQLJConnection
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java(Compiled Code))
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java(Compiled Code))
at java.net.URLClassLoader.defineClass(URLClassLoader.java:475)
at java.net.URLClassLoader.access$500(URLClassLoader.java(Inlined Compiled Code))
at java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java(Compiled Code))
at java.security.AccessController.doPrivileged1(Native Method)
at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code))
at java.net.URLClassLoader.findClass(URLClassLoader.java(Compiled Code))
at com.ibm.ws.bootstrap.ExtClassLoader.findClass(ExtClassLoader.java:113)
at java.lang.ClassLoader.loadClass(ClassLoader.java(Compiled Code))
at java.lang.ClassLoader.loadClass(ClassLoader.java(Compiled Code))
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:1747)
at java.lang.Class.getConstructor1(Class.java:2063)
at java.lang.Class.newInstance3(Class.java(Compiled Code))
at java.lang.Class.newInstance(Class.java(Compiled Code))
at com.ibm.ws.rsadapter.spi.WSRdbDataSource.createInternalDataStoreHelper(WSRdbDataSource.java:1138)
at com.ibm.ws.rsadapter.spi.WSRdbDataSource.<init>(WSRdbDataSource.java:740)
at com.ibm.ws.rsadapter.spi.WSManagedConnectionFactoryImpl.setDataSourceProperties(WSManagedConnectionFactoryImpl.java:1796)
at sun.reflect.GeneratedMethodAccessor30.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code))
at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
at com.ibm.ejs.j2c.J2CUtilityClass.createMCFEntry(J2CUtilityClass.java:365)
at com.ibm.ejs.j2c.ConnectionFactoryBuilderServerImpl.createMCFandPM(ConnectionFactoryBuilderServerImpl.java:532)
at com.ibm.ejs.j2c.ConnectionFactoryBuilderServerImpl.processObjectInstance(ConnectionFactoryBuilderServerImpl.java:884)
at com.ibm.ejs.j2c.ConnectionFactoryBuilderImpl.getObjectInstance(ConnectionFactoryBuilderImpl.java:604)
at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:314)
at com.ibm.ws.naming.util.Helpers.processSerializedObjectForLookupExt(Helpers.java:894)
at com.ibm.ws.naming.util.Helpers.processSerializedObjectForLookup(Helpers.java:701)
at com.ibm.ws.naming.jndicos.CNContextImpl.processResolveResults(CNContextImpl.java:1940)
at com.ibm.ws.naming.jndicos.CNContextImpl.doLookup(CNContextImpl.java:1795)
at com.ibm.ws.naming.jndicos.CNContextImpl.doLookup(CNContextImpl.java:1710)
at com.ibm.ws.naming.jndicos.CNContextImpl.lookupExt(CNContextImpl.java:1415)
at com.ibm.ws.naming.util.IndirectJndiLookupObjectFactory$1.run(IndirectJndiLookupObjectFactory.java:372)
at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java(Compiled Code))
at com.ibm.ws.naming.util.IndirectJndiLookupObjectFactory.getObjectInstanceExt(IndirectJndiLookupObjectFactory.java:221)
at com.ibm.ws.naming.util.IndirectJndiLookupObjectFactory.getObjectInstance(IndirectJndiLookupObjectFactory.java:149)
at com.ibm.ws.util.ResRefJndiLookupObjectFactory.getObjectInstance(ResRefJndiLookupObjectFactory.java:147)
at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:314)
at com.ibm.ws.naming.util.Helpers.processSerializedObjectForLookupExt(Helpers.java:894)
at com.ibm.ws.naming.urlbase.UrlContextHelper.processBoundObjectForLookup(UrlContextHelper.java:191)
at com.ibm.ws.naming.java.javaURLContextRoot.processBoundObjectForLookup(javaURLContextRoot.java:406)
at com.ibm.ws.naming.urlbase.UrlContextImpl.lookup(UrlContextImpl.java:1280)
at com.ibm.ws.naming.java.javaURLContextRoot.lookup(javaURLContextRoot.java:204)
at com.ibm.ws.naming.java.javaURLContextRoot.lookup(javaURLContextRoot.java:144)
at javax.naming.InitialContext.lookup(InitialContext.java:361)
at cn.com.longser.database.DBManage.<init>(DBManage.java:112)
at cn.com.longser.database.coredbobj.<init>(coredbobj.java:61)
at cn.com.longser.database.dbobject.<init>(dbobject.java:33)
at net.ibuluo.DBCounter.<init>(DBCounter.java:22)
at com.ibm._jsp._index._jspService(_index.java:78)
at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:93)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1793)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:886)
at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:121)
at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.handleRequest(JSPExtensionServletWrapper.java:222)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:347)
at com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:610)
at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3226)
at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:253)
at com.ibm.ws.webcontainer.VirtualHost.handleRequest(VirtualHost.java:248)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1971)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:120)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:434)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:373)
at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:101)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:566)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:619)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:952)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1039)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1498)
。处理异常终止。