I have a web application that is password protected against a postgres database, defined like so:
<Realm className="org.apache.catalina.realm.DataSourceRealm" debug="0" dataSourceName="jdbc/GlobalPatricia" userTable="person" userNameCol="uid" userCredCol="user_password" userRoleTable="company_person" roleNameCol="serial"/>
For normal users logging in, this works fine.
If however, a user in the postgres database has their password field set to "null", and an attempt is made to log in as this user using any password, the exception below is thrown by tomcat.
Tomcat then returns a 200 OK to the browser, along with a blank page.
2004/02/19 01:42:10 org.apache.coyote.tomcat5.CoyoteAdapter service
SEVERE: An exception or error occurred in the container during the request processing
java.lang.NullPointerException
at org.apache.catalina.realm.DataSourceRealm.authenticate(DataSourceRealm.java:369)
at org.apache.catalina.realm.DataSourceRealm.authenticate(DataSourceRealm.java:306)
at org.apache.catalina.authenticator.BasicAuthenticator.authenticate(BasicAuthenticator.java:182)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:551)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:195)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:164)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:156)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:564)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:206)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:700)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:584)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:534)
Anyone have any clues on how to stop this?
Regards, Graham --
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