Are you sure that listen.jar has no futher dependencies?
It looks like something in listen.jar (a class) which is initialized
from JdbcUser.java:238 requires some other libs.
example:
Class A
B = new B();
now B is in b.jar and in class B you have something like
class B{
private static C c;
}
if C is now in c.jar, and c.jar isn't in your libs, the call new B()
will fail, even B is in the classpath.
regards
Leon
On Tue, 2005-05-03 at 17:26 -0700, T. B. wrote:
> Hi all,
>
> I am new to struts and tried to write a little logon
> application which has a LogonAction using other
> objects from different jar files to look up user
> accounts in DB via JDBC. But this is the error I got
> when loging in:
>
> 500 Servlet Exception
>
> java.lang.NoClassDefFoundError
> at
> com.listen.toollib.login.auth.jdbc.JdbcUser.getUser(JdbcUser.java:238)
> at
> com.listen.toollib.login.auth.jdbc.JdbcUser.login(JdbcUser.java:71)
> at logon.LogonAction.isUserLogon(LogonAction.java:30)
> at logon.LogonAction.execute(LogonAction.java:65)
> at
> org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:446)
> at
> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:266)
> at
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1292)
> at
> org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
> at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:165)
> at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:103)
> at
> com.caucho.server.http.FilterChainServlet.doFilter(FilterChainServlet.java:96)
> at
> com.caucho.server.http.Invocation.service(Invocation.java:315)
> at
> com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)
> at
> com.caucho.server.http.RunnerRequest.handleRequest(RunnerRequest.java:346)
> at
> com.caucho.server.http.RunnerRequest.handleConnection(RunnerRequest.java:274)
> at
> com.caucho.server.TcpConnection.run(TcpConnection.java:139)
> at java.lang.Thread.run(Thread.java:536)
>
> Note that at this point, lib dir contains all the jar
> files that this stack trace complains it can't find as
> shown below.
>
> webdev:/pool/113/resin/webapps/myApp/WEB-INF/lib$ ls
> -ltr
> total 5232
> -rw-r--r-- 1 tbui webdev 456709 Aug 14
> 2002 struts.jar
> -rw-r--r-- 1 tbui webdev 65368 Aug 14
> 2002 jakarta-oro.jar
> -rw-r--r-- 1 tbui webdev 28755 Aug 14
> 2002 commons-validator.jar
> -rw-r--r-- 1 tbui webdev 22146 Aug 14
> 2002 commons-services.jar
> -rw-r--r-- 1 tbui webdev 28528 Aug 14
> 2002 commons-resources.jar
> -rw-r--r-- 1 tbui webdev 28940 Aug 14
> 2002 commons-pool.jar.old
> -rw-r--r-- 1 tbui webdev 20357 Aug 14
> 2002 commons-logging.jar
> -rw-r--r-- 1 tbui webdev 29461 Aug 14
> 2002 commons-lang.jar
> -rw-r--r-- 1 tbui webdev 14416 Aug 14
> 2002 commons-fileupload.jar
> -rw-r--r-- 1 tbui webdev 93903 Aug 14
> 2002 commons-digester.jar
> -rw-r--r-- 1 tbui webdev 81146 Aug 14
> 2002 commons-dbcp.jar
> -rw-r--r-- 1 tbui webdev 146737 Aug 14
> 2002 commons-collections.jar
> -rw-r--r-- 1 tbui webdev 81171 Aug 14
> 2002 commons-beanutils.jar
> -rw-r--r-- 1 tbui webdev 42492 Apr 21
> 12:06 commons-pool-1.2.jar
> -rw-r--r-- 1 tbui webdev 3941 May 2
> 11:13 newtools.jar
> drwxr-xr-x 2 tbui webdev 4096 May 3
> 15:48 META-INF
> -rw-r--r-- 1 tbui webdev 2768333 May 3
> 16:47 listen.jar
> -rw-r--r-- 1 tbui webdev 731775 May 3
> 16:48 tools.jar
> -rw-r--r-- 1 tbui webdev 651224 May 3
> 16:48 listen-xmlbeans.jar
>
> Also,
>
> 1) logon.LogonAction.isUserLogon calls
> com.listen.toollib.login.auth.jdbc.JdbcUser.login
> which is in tools.jar
> 2)
> com.listen.toollib.login.auth.jdbc.JdbcUser.getUser(JdbcUser.java:238)
> refers to an object in listen.jar which also exists in
> the lib dir above
>
> I have spent the past week trying to figure out why
> but it has been in vain. Can anyone help me figure out
> which dir this application expects the jar to be if my
> set up is not correct?
>
> Thanks so much for your help,
>
> Thong Bui
>
>
>
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