On 11/28/23 05:24, Christoph Kukulies wrote:
root@mail:/var/lib/tomcat9/logs# lsof -i :8080
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
java 58986 tomcat 37u IPv6 571175 0t0 TCP *:http-alt (LISTEN)
root@mail:/var/lib/tomcat9/logs#
On my local desktop (running Ubuntu
On 9/14/23 08:03, Thomas Hoffmann (Speed4Trade GmbH) wrote:
Sorry, I thought removing all content and subject is sufficient. Maybe the
message-id header is used internally(?)
TL;DR: technical details about message threading. Not about Tomcat.
This is what happens when you reply to an
On 9/12/23 01:06, Thomas Hoffmann (Speed4Trade GmbH) wrote:
I moved away from using the proprietary java keystore format.
I switched to using Base64 PEM format. This is usually also the format you get
from the certificate issuer.
No need to convert it into Java format any more and you can also
On 7/22/23 12:03, Mark Thomas wrote:
Your target URL is invalid. No user agent should be sending the
fragment (#index) part of the URL. At best Tomcat will ignore it. Later
versions may even reject it (I have a memory of that but don't have easy
acces to the source code to check right now).
On 2/11/23 08:17, Thad Humphries wrote:
Finally I profiled our Java utility with VisualVM, all on
my Mac Mini, and quickly found a leak from java.util.zip. This was a
surprise because we were not using java.util.zip anywhere, nor could I find
any reference to java.util.zip when I looked at the
On 2/9/23 12:54, Christopher Schultz wrote:
It would be unusual for the OS to reclaim any of that memory from the
JVM process. Are you looking at OS heap usage, or "JVM heap" usage? From
your description above, it's tough to tell. The tool is called WRKJVMJOB
so presumably it knows what the
On 1/12/23 01:34, Mark Thomas wrote:
On 12/01/2023 08:26, Hiran CHAUDHURI wrote:
In that case the Connector would need to be configured with
secure="true" to work correctly/securely and the
HttpHeaderSecurityFilter would add the HSTS header if configured to do so.
My personal opinion is that
On 12/30/22 17:03, Carles Franquesa wrote:
Once downloaded, installed, and configured in the settings of the
netbeans project, the error has changed, what always is very hopeful.
Now, the thing is that the compiler gives this new output:
image.png
Tried to modify the compiler options in the
On 12/30/22 09:07, Carles Franquesa wrote:
I am trying to run a web app made with Netbeans 16 using Apache-Tomcat
10.0.27 on Windows 11. It worked fine on Windows 10 with the same tomcat.
Everything goes fine when starting the server (it takes just 625ms!) but
after that, when I try to debug
On 12/10/22 15:15, Aryeh Friedman wrote:
Is there any browser support for direct UDP sockets in any browser
besides Chrome? I know WebRTC and Websockets force TCP. I know
Chrome does support UDP but can find no evidence one way for the other
browsers.
I'm sure you know that if Chrome is doing
On 12/9/2022 2:12 PM, Aryeh Friedman wrote:
For example the following code works against port 7 (UDP echo service)
but not against 8080 (my local tomcat):
I suspect that you are running into the fact that HTTP/3 *always* uses
TLS. It's baked into the protocol and NOT optional as with earlier
On 11/23/22 14:46, Chuck Caldarale wrote:
On Nov 23, 2022, at 22:41, Shawn Heisey wrote:
I am betting that Java is just refusing to use those ciphers because they are
known to be weak. Hopefully an expert can tell me if I am giving incorrect
information here.
The reported error
On 11/23/22 14:12, Edwin Mwangi wrote:
I need help with the correct parameter for setting Ciphers in Apache Tomcat
10.1.2, in the previous version 9 i would use the parameter below
ciphers="TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_AES_256_CBC_SHA"
However when I set the same in Apache Tomcat
On 11/23/22 12:43, Robert Turner wrote:
My 2 cents:
I think that it would be a very strange change to make to a generic product
and a "sample" configuration file. If Tomcat was packaged in a
distribution, that might be a more reasonable suggestion. I don't think
Tomcat is insecure because of
On 10/24/22 13:16, Mark Thomas wrote:
On 24/10/2022 20:04, John Dale (DB2DOM) wrote:
Mark and Chris - do you guys have a favorite flavor of Linux that has
yielded good results?
I use Ubuntu for my various test environments and the servers I run at
home. Stuff I know well (Tomcat, Java, etc)
On 8/9/22 16:13, James H. H. Lampert wrote:
On customer box #1, I have:
protocol="org.apache.coyote.http11.Http11Protocol" address=""
maxThreads="400" SSLEnabled="true" scheme="https"
secure="true"
keystoreFile="/tomcat/wttomcat.ks"
keyAlias=""
On 4/29/22 12:14, Kaushal Shriyan wrote:
Thanks Peter for the link and it worked like a charm. I am running the
tomcat version 9.0.56 on CentOS Linux release 7.9.2009 (Core). I have
enabled the TLSv1.3 protocol as per the below block but when I ran the
scan
On 7/1/2021 6:10 PM, James H. H. Lampert wrote:
On 7/1/21 4:55 PM, Shawn Heisey wrote:
In that case, you don't need h2c, and probably don't want it.
O. . . . k.
That makes sense, so far, but how is it even enabled? Is there some way
I could have h2c enabled, with the situation I described
On 7/1/2021 3:24 PM, James H. H. Lampert wrote:
On 6/21/21 9:42 AM, Christopher Schultz wrote:
If you are using h2c, you'll definitely want to 8.5.63 or later, as
there is a critical fix there.
My understanding, based on what I looked up a week and a half ago, is
that we're not using h2c,
On 6/25/2021 8:58 PM, Eric Robinson wrote:
We can run 75 to 125 instances of tomcat on a single Linux server with 12 cores
and 128GB RAM. It works great. CPU is around 25%, our JVMs are not throwing
OOMEs, iowait is minimal, and network traffic is about 30Mbps. We're happy with
the results.
On 2/18/2021 12:11 PM, Niranjan Rao wrote:
Thank you the response. This is not a web application, but a standalone
java program. Hence I said it's not a tomcat question, but a generic JVM
question. I have been researching about this a lot and based on many
mails on this list, lot of people
On 2/18/2021 11:36 AM, Niranjan Rao wrote:
First apologies for non tomcat question. I have seen that there is
enough expertise here to provide hints and hints are what I am looking
for to solve the problem and question is generic enough. I have tried
researching problem to best of my
On 6/26/2019 11:18 AM, Mark Thomas wrote:
On 26/06/2019 18:10, Kumar R wrote:
Hi Team,
Is it possible to go for higher version of JDK(64 bit) and Tomcat(64bit) on
32 bit window 2003 architecture.
No.
A tiny bit more detail:
64-bit software requires a 64-bit operating system. A 64-bit
On 1/4/2019 10:44 AM, John Dale wrote:
Interesting note: "likely includes memory that Java requires beyond
the Java heap size itself"
Can you expound on this?
In the majority of cases, most of the memory that Java allocates from
the system is its heap.
But there are other memory structures
On 1/3/2019 6:40 PM, ark...@tutanota.com wrote:
The strange part is I was able to set a max memory in the tomcat9w.exe
configuration tool to about 1600 Megabytes and that was the hitting of the wall
on that setup (the original physical one that I p2v'd to a VM), I can set less
ram, but I
On 11/27/2018 3:08 AM, Andi Meister wrote:
What I did now:
- removed Tomcat services by service.bat
- uninstalled all Tomcats (7 and 9)
- uninstalled all Java (was only Version 11)
- server reboot
- Installed Java 11 (File: jdk-11.0.1_windows-x64_bin.exe)
That filename tells me you're
On 11/19/2018 6:16 AM, Dino Edwards wrote:
I'm not using Named-Based Virtual Hosts
Yes, you are. :)
I didn't think I was. How do you figure?
The first line in the config you shared was "".
Thanks,
Shawn
-
To unsubscribe,
On 10/18/2018 8:55 AM, Christopher Schultz wrote:
Actually, my goal was to convince the Solr team that switching from
Jetty to Tomcat was (a) possible and (b) possibly attractive.
Over on lucene-dev, I had said that I removed jetty from solr's ivy
config and found only two classes with errors
On 10/15/2018 2:15 AM, Jäkel, Guido wrote:
I have no experience with embedded tomcat, but it should be also straight
forward. Said that, I can't imagine the advantage of such an approach against
the currently used, which just start the Web Application Server (Jetty, Tomcat
or whatever) with
On 10/15/2018 9:16 PM, Jerry Malcolm wrote:
I have several webapps that do a significant amount of recursive loads
of snippits of HTML utilizing XHR/http/ajax requests. These apps are
all debugged and in production. The server has no problem whatsoever
in keeping up with the multiple
On 9/20/2018 8:30 AM, Bill Harrelson wrote:
Looking back through my sent folder I realize that I have been
replying directly to people that posted directly to me instead of the
list.
I see from message headers that you're using Thunderbird.
In Options/Advanced, open the config editor and
On 8/6/2018 7:47 AM, gaurav.kuma...@wipro.com wrote:
> Could you please let us know End of Support/Life for the below mentioned
> Tomcat Version:
>
> Tomcat 7.0
> Tomcat 8.5
> Tomcat 9.0
>
> We want to use it with RHEL 7.4 OS . Please let me know if you need any
> further info to answer the
On 6/25/2018 9:20 PM, Prateek wrote:
> My configuration:
> OS:REDHAT 7.5 (64 bit)
> Tomcat: 8.5.31
> Jdk- jdk-11(Early-Access)
+1 to everything else you've been told on this thread.
More stuff inline below.
> When I am trying to start my server I got following error as:
> A fatal error has been
On 6/26/2018 11:42 AM, Mark Thomas wrote:
> On 26/06/18 18:32, Cybulski, Adam M wrote:
>> Can you aim me at a guide to this? The steps I've been following are just
>> from whatever I've found online. Most of the articles seem pretty dated.
> http://tomcat.apache.org/presentations.html
>
> Look
On 6/18/2018 6:15 AM, Shailendra Kumar Verma wrote:
> I am trying to find out through registry checking whether or not Apache
> Tomcat 9.0.8 is already installed or not. If the below registry is not there,
> then my program installs Apache Tomcat 9.0.8 installer otherwise it moves on
> to other
On 5/16/2018 11:13 AM, Kiran Badi wrote:
> Yes tomcat is not starting up. I am also suspecting that EC2 instance was >
> probably compromised. Not sure as how but I see some rogue programs
were > running under tomcat user. I use putty with private keys to login
and those > keys are not in public
On 4/18/2018 10:18 AM, Somu Sundar Reddy.Y wrote:
> Hi, Recently I installed Tomcat windows service using
> apache-tomcat-7.0.84.exe installation file and during installation, I was
> using JDK 1.8 Update 162 in my computer. With this installation file ,
> windows service is automatically
On 4/17/2018 10:25 AM, Adam Rauch wrote:
> According to the tomcat70 GitHub mirror, a recent change to
> Constants.java switched DBCP_DATASOURCE_FACTORY to
> "org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory", which seems
> suspicious. See
>
On 3/30/2018 11:38 AM, Christopher Schultz wrote:
> No. In Java, the "class" is defined by the ClassLoader (which loaded
> it) plus the fully-qualified class name. It's entirely possible in
The subtleties of classloader-related problems make my head hurt. :)
> If objects a and b were
On 3/29/2018 10:00 AM, Christopher Schultz wrote:
> I don't bother with any of that garbage. I use Tomcat's Manager
> application and the JMXProxyServlet. It's an HTTP-to-JMX bridge, so
> your client just has to speak HTTP.
I'm not sure that the manager application is active on our install. The
On 3/28/2018 1:18 PM, Christopher Schultz wrote:
Don't forget to terminate the thread (or ExecutorService) when the
application is shutting-down, of you'll have a ClassLoader (and a a
huge memory) leak.
Here's a new paste, that I think addresses the thread leak problem.
On 3/28/2018 6:28 PM, 이의준 wrote:
Test sequence and inquiry contents
1. In the local test, the same load (hp-jmeter) for tomcat 7, 8 5 minutes,
2. Thread dump generated after 5 minutes of load termination
3. Most Thread in Tomcat 7 is in TIME_WAITING state (normally OK)
4. Thread in Tomcat 8
On 3/28/2018 1:18 PM, Christopher Schultz wrote:
> > I would like to write a logging thread that can get ALL of the
> > datasource objects from the context, and for types that it knows,
> > cast them to the appropriate object to log the active/idle
> > connection counts.
>
> It might be easier to
This is what the code in our application looks like that gets a
datasource object from the context:
Context initContext = new InitialContext();
Context envContext = (Context)initContext.lookup("java:/comp/env");
DataSource ds = (DataSource)envContext.lookup("jdbc/REDACTED");
I would like
On 3/27/2018 11:03 AM, Phil Steitz wrote:
> Not exactly, if what you are using is the DBCP pool. To see the
The factory in use right now is
"org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory". Information
gathered previously in this thread told me that this is DBCP code,
repackaged into the
On 3/26/2018 2:39 PM, André Warnier (tomcat) wrote:
> Just a question, more to satisfy my curiosity : when you have these
> hundreds of "pending" connections, in what state are they, TCP/IP-wise ?
Not sure where you got "pending". I don't recall mentioning anything
like that.
The TCP state is
On 3/26/2018 11:28 AM, Christopher Schultz wrote:
> The pool doesn't kill abandoned connections. It simply removes them
> from the pool. Otherwise, you're right: you'd have torches and
> pitchforks everywhere.
That is a key piece of information. And it should have perhaps been
obvious from the
On 3/25/2018 3:15 AM, Olaf Kock wrote:
* Liferay comes (optionally) bundled with Tomcat to ease installation,
however, the tomcat in there will be your own and is up to you to
upgrade. Yes, new versions of Liferay will come with new versions of
Tomcat, but new versions of Liferay won't be
On 3/24/2018 5:04 PM, Mark Thomas wrote:
Regarding your configuration:
Generally, that looks OK but I'd strongly recommend that you use
"autoReconnect=false" in the URL. autoReconnect is known to be
problematic with connection pools.
The removeAbandonedTimeout looks low but if all the queries
On 3/24/2018 5:04 PM, Mark Thomas wrote:
There are two pools available.
org.apache.tomcat.jdbc.pool.DataSourceFactory is a different pool
developed in the Tomcat project (generally called JDBC pool).
OK, so that means that the currently active config is using dbcp. The
*new* config that
On 3/24/2018 3:34 PM, Christopher Schultz wrote:
Before we go too far, you have said:
1. You have 5 prod servers
2. They have several pools defined
3. The above is an example of a defined pool
Just above, that configuration says maxActive=60. 5 * 60 = 300
connections. And that's just for one
On 3/24/2018 5:36 AM, Filippo Machi wrote:
Hello Shawn, about this question, are you sure that none of the webapps
running on those tomcats are connecting to the database without using the
pools configured in the context.xml? Creating other pools or performing
direct connections? That could
This message is long. Lots of details, a fair amount of history.
The primary Tomcat version we've got is 7.0.42. Specifically, it is the
Tomcat that's included with Liferay 6.2. This is why we haven't
attempted an upgrade even though the version we're running is five years
old -- we don't
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