Re: JDBCRealm problem

Wed, 03 Dec 2003 08:23:51 -0800

If you have a NPE, it might being thrown by the Realm. This can happen when there is a null role or similar. This has since been patched. You can test it by getting the latest JDBCRealm from source, compiling it and placing it in the appropriate nested dir in server/classes. (Which has a higher precedence than the lib dir)

-Tim

Ostad, James wrote:

One more thing,
when I commented out the realm section in server.xml, the program does
work with the default realm.

James

-----Original Message-----
From: Ostad, James Sent: Wednesday, December 03, 2003 10:08 AM
To: Tomcat Users List
Subject: RE: JDBCRealm problem


I just noticed this errors in the following files under tomcat log
directory:

catalina_log.2003-12-03.txt

2003-12-03 09:59:06 CoyoteAdapter An exception or error occurred in the
container during the request processing
java.lang.NullPointerException
        at
org.apache.catalina.realm.JDBCRealm.authenticate(JDBCRealm.java:478)
        at
org.apache.catalina.realm.JDBCRealm.authenticate(JDBCRealm.java:394)
        at
org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAut
henticator.java:263)


localhost_log.2003-11-26.txt
2003-12-03 09:58:53 StandardManager[/webdav]: Seeding of random number
generator has been completed
2003-12-03 09:58:53 StandardManager[/webdav] IOException while loading
persisted sessions: java.io.EOFException
java.io.EOFException
        at
java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.ja
va:2150)
        at
java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStre
am.java:2619)


Any help would be appreciated
thanks,

James


-----Original Message-----
From: Ostad, James Sent: Wednesday, December 03, 2003 9:51 AM
To: Tomcat Users List
Subject: RE: JDBCRealm problem


Hi,
Thanks for the info.
Apparently, the database was not set correctly.
After correcting the previous problem, I am able to login. The log shows
the correct authentication with no errors.
Yet, I not getting anything after the login. the web page is clear, in
stead of taking me to the next page, by design.
the top url address is like:

http://localhost/login/j_security_check

any help, suggestion, or comment would be nice.

Thanks,
James

-----Original Message-----
From: Jon Wingfield [mailto:[EMAIL PROTECTED]
Sent: Thursday, November 27, 2003 5:01 AM
To: Tomcat Users List
Subject: Re: JDBCRealm problem


The JDBCRealm does two things:
1) Authenticates the user (by checking password)
2) Authorizes the user (by checking roles)

The logs would seem to imply the JDBC driver is blowing up creating the prepared statement in the second step (ie reading from the roles table).
I think Tim is right - he usually is - that there is a config problem with the db or the connection to the db.

A quick google later:
http://support.microsoft.com/default.aspx?scid=kb%3Ben-us%3B313181

HTH,

Jon

Ostad, James wrote:

The line above the line you mentioned in the error log indicates that
the connection was established at one point:

2003-11-26 11:53:19 JDBCRealm[localhost]: Username admin successfully
authenticated
2003-11-26 11:53:19 JDBCRealm[localhost]: Exception performing
authentication

So, I don't think that the parameters are wrong, neither the database
setup. The web application functions with form base authentication
without usage of realm.

It is my next step to implement the realm, which I having problem.

but, I will double check my settings and configuration to make sure

that

I didn't miss anything.

thanks,

James

-----Original Message-----
From: Tim Funk [mailto:[EMAIL PROTECTED]
Sent: Wednesday, November 26, 2003 4:00 PM
To: Tomcat Users List
Subject: Re: JDBCRealm problem


The problem is this:

2003-11-26 11:53:19 JDBCRealm[localhost]: Exception performing
authentication
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for

JDBC]Can't

start a cloned connection while in manual transaction mode.

Since I don't use SQL server and Java, I can't be of more help, but my
guess is
- Database setup
- Driver parameter missing

-Tim

Ostad, James wrote:


Hi everyone,
Hope everyone will have a great TG Day.

Problem: I am not able to login successfully. It keeps failing.

Structure: using JDBCRealm + form authentication

database property: match exactly as explained in tomcat documentation
for setting up JDBCRealm

I am including three things:

1-server.xml part for realm setup
2-web.xml of the web apps
3-errorlog file is the error log I get when I attempt to use

jdbcrealm.



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