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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