users@tomcat.apache.org
Subject: Re: NIO Thread Madness
William,
On 3/31/25 2:31 PM, William Crowell wrote:
Question related to this. I found issue DBCP-599 which was released
in DBCP 2.13.0 as part of Apache Tomcat 9.0.98 release. The
characteristics of this major bug appear very similar to the issue
under Tomcat or is that an interface from Tomcat into Apache Commons
DBCP2?
Regards,
William Crowell
From: William Crowell
Date: Friday, March 28, 2025 at 12:22 PM
To: Tomcat Users List
Subject: Re: NIO Thread Madness
Very good idea Chriis. Thank you.
Regards,
William Crowell
From
te: Friday, March 28, 2025 at 12:22 PM
> To: Tomcat Users List
> Subject: Re: NIO Thread Madness
> Very good idea Chriis. Thank you.
>
> Regards,
>
> William Crowell
>
> From: Christopher Schultz
> Date: Friday, March 28, 2025 at 12:05 PM
> To: users@tomcat.apache.o
omcat Users List
Subject: Re: NIO Thread Madness
Very good idea Chriis. Thank you.
Regards,
William Crowell
From: Christopher Schultz
Date: Friday, March 28, 2025 at 12:05 PM
To: users@tomcat.apache.org
Subject: Re: NIO Thread Madness
William,
On 3/26/25 7:06 PM, William Crowell wrote:
That max
Very good idea Chriis. Thank you.
Regards,
William Crowell
From: Christopher Schultz
Date: Friday, March 28, 2025 at 12:05 PM
To: users@tomcat.apache.org
Subject: Re: NIO Thread Madness
William,
On 3/26/25 7:06 PM, William Crowell wrote:
> That maxTotal was a typo due to trying to copy
arate pool.
-chris
From: Christopher Schultz
Date: Wednesday, March 26, 2025 at 6:57 PM
To: users@tomcat.apache.org
Subject: Re: NIO Thread Madness
William,
On 3/25/25 2:51 PM, William Crowell wrote:
Mark,
I think we might have found something. I think the DBCP2 connection pool is
retur
Crowell
From: Christopher Schultz
Date: Wednesday, March 26, 2025 at 6:57 PM
To: users@tomcat.apache.org
Subject: Re: NIO Thread Madness
William,
On 3/25/25 2:51 PM, William Crowell wrote:
> Mark,
>
> I think we might have found something. I think the DBCP2 connection pool is
> ret
n't do it right, you
can leak connections from your pool very easily.
-chris
From: Mark Thomas
Date: Tuesday, March 25, 2025 at 1:13 PM
To: users@tomcat.apache.org
Subject: Re: NIO Thread Madness
On 25/03/2025 12:33, William Crowell wrote:
Mark,
I believe there is a proxy involved here t
To: users@tomcat.apache.org
Subject: Re: NIO Thread Madness
On 25/03/2025 12:33, William Crowell wrote:
> Mark,
>
> I believe there is a proxy involved here that does TLS decrypt, but I noticed
> they had the redirectPort on the 8080 connector set to 8443. When you try to
> hit
em?
Mark
Regards,
William Crowell
From: Mark Thomas
Date: Tuesday, March 25, 2025 at 8:27 AM
To: users@tomcat.apache.org
Subject: Re: NIO Thread Madness
On 25/03/2025 11:24, William Crowell wrote:
Chris,
Looking at JMX is the next step. I make a request and Tomcat never returns,
and I do
, 2025 at 8:27 AM
To: users@tomcat.apache.org
Subject: Re: NIO Thread Madness
On 25/03/2025 11:24, William Crowell wrote:
> Chris,
>
> Looking at JMX is the next step. I make a request and Tomcat never returns,
> and I do not get a “connection refused”. It just sits and hangs.
Look
connect to Tomcat? HTTP and 8080?
Are you connecting directly to Tomcat or is there a proxy involved at all?
Mark
Regards,
William Crowell
From: Christopher Schultz
Date: Tuesday, March 25, 2025 at 7:20 AM
To: users@tomcat.apache.org
Subject: Re: NIO Thread Madness
William,
On 3/24/25 2:56 PM
Chris,
Looking at JMX is the next step. I make a request and Tomcat never returns,
and I do not get a “connection refused”. It just sits and hangs.
Regards,
William Crowell
From: Christopher Schultz
Date: Tuesday, March 25, 2025 at 7:20 AM
To: users@tomcat.apache.org
Subject: Re: NIO
William,
On 3/24/25 2:56 PM, William Crowell wrote:
I am running Apache Tomcat 9.0.97 on Windows Server 2022. I’m running Oracle
JDK 1.8.0_371-b11 with a 4GB min heap and a 16GB max heap.
I have an application deployed on this server that is hitting an Oracle
database server. I have noticed
William Crowell
From: Mark Thomas
Sent: Tuesday, March 25, 2025 5:09:20 AM
To: users@tomcat.apache.org
Subject: Re: NIO Thread Madness
On 24/03/2025 18:56, William Crowell wrote:
Are there any logs I can enable to find out why the application server stops
accepting connections?
I'd sug
From: Mark Thomas
Sent: Tuesday, March 25, 2025 5:09:20 AM
To: users@tomcat.apache.org
Subject: Re: NIO Thread Madness
On 24/03/2025 18:56, William Crowell wrote:
> Are there any logs I can enable to find out why the application server stops
> accepting connections?
I
On 24/03/2025 18:56, William Crowell wrote:
Are there any logs I can enable to find out why the application server stops
accepting connections?
I'd suggest taking 3 thread dumps approx 5s apart when this happens.
Hopefully you'll see a bunch of threads waiting on the database and
where th
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