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From Tim Funk <funk...@joedog.org>
Subject Re: Starting tomcat when the DB is down
Date Tue, 10 Feb 2004 21:12:54 GMT
4.1.30 went for a stable vote. I guess it didn't get enough +1's for a stable 
vote. I should be stable enough.

Worst case, just rip out JDBCRealm.class from server/lib/catalina.jar (in 
4.1.30) and place it into the server/classes dir (in the correct nested 
directory)

-Tim

Bill Faulk wrote:
> Hi Tim,
> 
> Sorry, I forgot to mention I'm running 4.1.29. I didn't see 4.1.30 on
> the Tomcat downloads page but I do see a 4.1.30-alpha dated 25-Jan-2004
> on the downloads site. Also, I need to continue this in Tomcat-4 for now
> rather than 5.
> 
> I'll be moving to production soon so I'm a bit leery of anything with
> "alpha" in the name. I can try it and put 4.1.29 back if there's a
> problem. Thanks for the info!
> 
> ---
> Bill Faulk
> 
> 
> 
> -----Original Message-----
> From: Tim Funk [mailto:funkman@joedog.org] 
> Sent: Tuesday, February 10, 2004 1:08 PM
> To: Tomcat Users List
> Subject: Re: Starting tomcat when the DB is down
> 
> 
> Which version? I thought 4.1.30 was patched to allow tomcat to start up
> even 
> if the database realm connect failed.
> 
> -Tim
> 
> Bill Faulk wrote:
> 
>>Hi Folks,
>>
>>I am using SQL Server 2000 via the JDBC realm with forms 
>>authentication. If the database is down when tomcat starts there is an
> 
> 
>>unhandled LifecycleException generated and tomcat quits. I have the 
>>code in place in my login.jsp to generate a "please try again later" 
>>style message (or whatever other message I choose) if the database 
>>goes down after Tomcat starts. However, I want to avoid a "Cannot find
> 
> 
>>server" error if the database isn't up.
>>
>>If there's a problem with the database I want the alternative to just 
>>having the site be down because Tomcat won't start. Not all of the 
>>site is actually part of the protected content and I want the 
>>unprotected content still available if the DB is down.
>>
>>Is there supposed to be any way to allow tomcat to start even with an 
>>unreachable database configured? If this is the expected behavior and 
>>is unavoidable then I guess I'll just live with it. Hopefully it 
>>doesn't happen enough to be an issue. :-)
>>
>>Catalina.start: LifecycleException:  Exception opening database
>>connection:
>>  java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for 
>>JDBC]Error establishing socket.
>>LifecycleException:  Exception opening database connection:
>>java.sql.SQLException:
>> [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
>>        at
> 
> org.apache.catalina.realm.JDBCRealm.start(JDBCRealm.java:681)
> 
>>        at 
>>org.apache.catalina.core.StandardContext.start(StandardContext.java:3
>>... snip ...
>>Stopping service salesweb
>>Catalina.stop: LifecycleException:  Coyote connector has not been 
>>started
>>LifecycleException:  Coyote connector has not been started
>>        at 
>>org.apache.coyote.tomcat4.CoyoteConnector.stop(CoyoteConnector.java:1
>>... snip ...
>>
>>---


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