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From "Bill Faulk" <bill.fa...@cis.com>
Subject RE: Starting tomcat when the DB is down
Date Tue, 10 Feb 2004 20:25:32 GMT
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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