see the problem when using the SSO layer is consistent with our
understanding of that bug.
Mark
On 16/02/2023 08:37, Mark Thomas wrote:
On 16/02/2023 00:42, Dan Armbrust wrote:
Are there any known regressions / open issues with 9.0.70 or 9.0.71 that could cause
something like the below
Are there any known regressions / open issues with 9.0.70 or 9.0.71 that could cause
something like the below?
We encountered a very odd issue today, where after upgrading the version of spring-boot
for one of our rest microservices (and getting a newer tomcat) it stopped processing our
calls
Ok, I must be doing something silly... I've deployed tomcat hundreds
of times, and never had something like this happen.
Just needed to test something simple on a new system.
Grabbed tomcat 7.0.26, unzipped it.
Configured it to run with my local java:
java version 1.6.0_30
Java(TM) SE
On Mon, Mar 12, 2012 at 2:34 PM, Caldarale, Charles R
chuck.caldar...@unisys.com wrote:
From: Dan Armbrust [mailto:daniel.armbrust.l...@gmail.com]
Subject: Hanging on startup?
Startup, and it hangs on app deploy:
Waiting for entropy to build up? Take a few thread dumps with jstack to see
Yep.
JAVA_OPTS=-Djava.security.egd=file:/dev/./urandom
prevents the hang.
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So, yesterday, I finally start working on upgrading on old application
set to a current 6 release of Tomcat.
(Sigh, behind the truck already, seeing the announcement of the next
version today bad timing by me... beside the point)
Some of my web applications are using JFreeChart to generate
(If I can't figure out how to
fix all my issues) I can't ship code to the customers that logs
SEVERE errors on shutdown.
All the leaks should be fixable / possible to workaround.
Mark
If I could update all of my dependencies... I'm guessing many would
just go away. Unfortunately, I'm
On Thu, Aug 18, 2011 at 2:13 PM, Christopher Schultz
ch...@christopherschultz.net wrote:
The JVM should not launch more than one AWT thread, so you should be
okay. The only issue would be whether or not it inherits the webapp's
context ClassLoader which would really represent a memory leak if
Thanks for the thoughts... few things inline
2. Does your unexpectedError.jsp use sessions? Does it have %...@page
session=false%?
No, I don't think so. I'll have to check into this.
3. If the response was already partially sent to the client and you
receive an unexpected error
I have a webapp running in Tomcat 6.0.20.
One of my testers caused this to appear in the logs:
May 11, 2010 2:23:14 PM org.apache.jasper.runtime.JspFactoryImpl
internalGetPageContext
SEVERE: Exception initializing page context
java.lang.IllegalStateException: Cannot create a session after the
On Wed, May 26, 2010 at 12:26 PM, laredotornado laredotorn...@gmail.com wrote:
I tried your suggestion, and sadly it didn't work.
What is the difference between what the errorPage directive does and what
the web.xml error-page clause does? - Dave
I don't think this is directly related, but
On Thu, May 27, 2010 at 12:54 PM, laredotornado laredotorn...@gmail.com wrote:
You mean for me to put this at the top of my error page (500.jsp), correct?
If so, I tried that, but still got the partially rendered page outlined in
the Tomcat bug mentioned earlier.
There is no way around
On Fri, May 7, 2010 at 9:01 AM, Karthick Ragunath
karthick.ragun...@live.com wrote:
Some other applications using Java requires 32bit always. (Eclipse requires
32 bit JVM which otherwise would result
in JVM termination error during Eclipse startup).
That's not true either. Once again, you
and what specific files do i need to reconfigure withe the new port
address say, 8088?
conf/server.xml
Don't forget to change these other ports (in the same file) as well to
something non-default:
port=8005
port=8009
port=8443
On Tue, Mar 16, 2010 at 4:46 PM, Carl c...@etrak-plus.com wrote:
My approach is to get something (a JVM) that works and then gradually change
until it breaks. Then, I know what is causing the problem. To date, I
haven't been able to get a JVM that works.
I have had a lot of issues finding
1. I had always used top to see memory used until I saw the system monitor
tools in Slackware. Had not compared the two. At this moment, the system
monitor is reporting .96GB of memory used while top and vmstat are reporting
3.6GB... quite a difference. From now on, top/vmstat it is.
Since the failures occurred before the print options were used, I guess that
rules out any possibility of the OS getting upset at the JVM calling for
timing information. Back to square one, where the most likely culprit is
still the Linux OOM killer.
- Chuck
Have you checked:
1) - Is Tomcats handling of an error page defined in web.xml broken
when a response has already been committed?
Inconsistent? Yes. Broken? Maybe.
2) - Is there anything I can do to force the browser to a proper error
page after a response has been committed?
No. Adding the error page to
Carl,
Maybe I missed it, but you still haven't clarified what you mean by
tomcat stops.
Does Tomcat do an orderly shutdown?
Does Tomcat appear to freeze (stop answering new requests)
Does the JVM hosting Tomcat crash?
Assuming you have a JVM crash issue here... you should try other JVMs
(32
Well, as I said, Tomcat is working much more stable now than it did before.
However, once in a few days it still becomes unresponsive, while CPU usage
stays incredibly low.
Unresponsive, meaning what, exactly? If the CPU is idle, but your
webapp isn't returning a response... it seems to
FYI - look out for this WRT MaxNewSize and NewRatio:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6862534
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Nope, but I'm not an expert with these (at all).
I use something pretty similar, the only real difference is that I
haven't turned on the CMSIncrementalMode. My apps haven't shown an
issue with long pause times, so I haven't researched/tested it yet.
Dan
On Tue, Feb 2, 2010 at 1:55 PM, Carl
On Tue, Feb 2, 2010 at 3:23 PM, Caldarale, Charles R
chuck.caldar...@unisys.com wrote:
From: Richard Sickler [mailto:richard.sick...@avagotech.com]
Subject: Re: Problem on Tomcat 6.0.20
I removed a file and a directory named WebApplication2, and that
cleared up that problem. On to the next
After content has been committed?
Is there a proper way to write an error page, so that it will work
even when the response has already been committed?
There seems to be a bug or inconsistency in how tomcat handles the error page.
In Tomcat 6.0.20, if I define my error page like this in
On the page: http://tomcat.apache.org/tomcat-6.0-doc/jasper-howto.html
It talks about:
genStringAsCharArray - Should text strings be generated as char
arrays, to improve performance in some cases? Default false.
In the web.xml of Tomcat 6.0.20, the parameter name is:
genStrAsCharArray Should
If I have a servlet which fails during init() for whatever reason -
the example below takes a null pointer
public class MyServlet extends HttpServlet
{
private static final long serialVersionUID = 7997991143724219371L;
@Override
public void destroy()
{
simply add instrumentation to the system to detect
that this servlet didn't do its thing, and route every request to a
holding page.
Joe
-Original Message-
From: Dan Armbrust [mailto:daniel.armbrust.l...@gmail.com]
Sent: Thursday, November 12, 2009 10:48 AM
To: Tomcat Users List
Thanks for all the tips. I'll have to put something together with a filter.
Just wanted to make sure there wasn't an easier way that I was missing.
Dan
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For
Did you write your application?
there are team of 200 Engineers wrote that application so i dont know
where the problem is
One (or more) of them made a mistake, and has left a non-daemon thread
running.
You need to find out what thread is running. One way to do this is to
get a thread dump.
The simplest way to do this is to learn the Timer API:
http://java.sun.com/j2se/1.4.2/docs/api/java/util/Timer.html
Then put your timer code into a new servlet that you add to your
webapp. Or add your code to an existing servlet in your webapp.
There are plenty of other open source scheduling
Sounds like a good enhancement request to me. It's certainly
reasonable that one should be able to ask Tomcat to never ever log a
password in clear text. In fact, it seems like that should be the
default setting.
I imagine there are all sorts of places that (rightfully) have
policies against
JVM crashes seem to be a common issue lately. We tried to move our
main apps from JRE 1.5 to 1.6 about 6 months ago, and had to give up
and revert because we couldn't find any 1.6 or early 1.7 JVM's that
were stable. They all had random crashes on hardware that runs the
same software perfectly
How is Tomcat meant to determine that data in the URL is a password and
needs to be filtered?
I imagine there are all sorts of places that (rightfully) have
policies against storing a clear text password anywhere.
The only reason you are seeing the password in the access logs appears
to
On Thu, Apr 23, 2009 at 3:59 PM, Anthony J. Biacco
abia...@formatdynamics.com wrote:
This is a little OT, but I'm interested to see if oracle decides to
merge their BEA acquisition jrockit product with sun's JDK or just picks
one of them to represent.
Hopefully they at least merge together the
Something else on your OS is using more RAM that it was previously.
The JVM will only start if it can reserve a contiguous block of RAM as
large as you request.
I'd be rather surprised if you needed to go all the way down to 512
before it would start, however.
See what else is using memory on
Your stack trace seems to show several things that are not fine with
your application.
First, you appear to have a DB issue:
Exception while establishing connection
com/iris/util/dbConnectionOracle.java ==
ORA-00020: maximum number of processes (400) exceeded
And possibly related to your DB
On Sat, Apr 4, 2009 at 9:08 PM, Caldarale, Charles R
chuck.caldar...@unisys.com wrote:
I think I figured out what's going on. Tomcat 5.5 uses an unmodified
LogFactory from commons-logging, which pokes around for logging mechanisms -
and finds your log4j.jar inside your webapp. Tomcat 6.0,
If you deploy more than one
webapp, log4j doesn't attempt to self-configure in the second or any
subsequent webapps.
Just to close out this thread - no big surprise here - I found the bug
in a library that I was deploying in one of my webapps that caused
this behaviour.
Some code was
On Fri, Apr 3, 2009 at 8:32 PM, Caldarale, Charles R
chuck.caldar...@unisys.com wrote:
From: Caldarale, Charles R
Subject: RE: How to debug Error: listenerStart?
To close out this thread
Or maybe not.
I've reopened bug
https://issues.apache.org/bugzilla/show_bug.cgi?id=34110
and attached
On Thu, Apr 2, 2009 at 9:55 PM, Caldarale, Charles R
chuck.caldar...@unisys.com wrote:
From: Dan Armbrust [mailto:daniel.armbrust.l...@gmail.com]
Subject: And even further into the black magic of logging configuration
within tomcat...
So, why didn't log4j try to find the log4j.properties
To close out this thread, I've reopened bug
https://issues.apache.org/bugzilla/show_bug.cgi?id=34110 and attached
a war file which demonstrates the problem.
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On Wed, Apr 1, 2009 at 5:02 PM, Caldarale, Charles R
chuck.caldar...@unisys.com wrote:
From: Dan Armbrust [mailto:daniel.armbrust.l...@gmail.com]
Subject: Re: How to debug Error: listenerStart?
Why doesn't tomcat log a stack trace
It does, in the log associated with the Host of interest
Any idea what I should check, to figure out why I don't have a Host log
file?
Correction. I have a Host log file - but it is always blank. Size
0. I tried the starting it up with a missing filter, and a missing
listener, and neither case gives me anything in the Host log file.
I haven't
Here is the non-commented out bits of my server.xml:
?xml version=1.0 encoding=UTF-8?
Server port=8005 shutdown=SHUTDOWN
!--Listener className=org.apache.catalina.core.AprLifecycleListener /--
Listener className=org.apache.catalina.mbeans.ServerLifecycleListener /
Listener
log4j:WARN No appenders could be found for logger
(org.apache.catalina.startup.TldConfig).
log4j:WARN Please initialize the log4j system properly.
This indicates that you /have/ made changes to Tomcat's default logging
configuration. Tomcat doesn't use log4j by default. Do you have
Yup, although Chuck's example is a missing filter, not a
missing listener.
The OP's original problem *was* a missing filter:
http://marc.info/?l=tomcat-userm=123862274508212w=2
I trust error messages more than I trust posters' assertions:
SEVERE: Error listenerStart
That's definitely a
What are you using on the command line to start Tomcat? In particular, what
is the value of the following system properties?
java.util.logging.manager
java.util.logging.config.file
The default values are org.apache.juli.ClassLoaderLogManager and
${catalina.base}/conf/logging.properties,
I got a brand new copy of tomcat 5.5.25, and tested it. Some of the
provided apps, such as balancer - create entries in the localhost log
file. I used kdiff to compare the entire tomcat folder hierarchy to
my tomcat distribution, and I can't find any significant difference
that could cause my
On Thu, Apr 2, 2009 at 1:00 PM, Caldarale, Charles R
chuck.caldar...@unisys.com wrote:
From: Dan Armbrust [mailto:daniel.armbrust.l...@gmail.com]
Subject: Re: How to debug Error: listenerStart?
There is obviously some interaction going on between my webapp
and tomcat's logging system that I
What would I need to do to make log4j within my webapp
have a temporary configuration which would log to the
console until the point when my webapp executes it's
dynamic configuration?
Create a log4j.xml or log4j.properties file in WEB-INF/classes.
Bingo. That makes my log4j warnings go
So, after my long thread to figure out the missing stack traces from a
bad listener configuration, I _thought_ I knew what I needed to
correct.
It seemed that Tomcat was trying to use log4j shipped with my webapp,
before my webapp had configured log4j.
Supplying a log4.properties file in the
I have a filter somewhere in a webapp that has gotten broken through
my own packaging process, likely due to a missing class.
But I can't figure out how to make tomcat actually tell me what the
problem is. All that I get is the dreaded, nearly useless
SEVERE: Error listenerStart
on the
Ok, I've finally tracked down my specific problem.
When a filter is declared in the web.xml file:
filter
filter-namerequestCounter/filter-name
filter-classcom.foo.bar.FancyFilter/filter-class
/filter
And the class com.foo.bar.FancyFilter is missing from the war file
that you
Is there a way to get the values of variables from the server.xml file
from a webapp running within tomcat?
Specifically, my webapp would like to know what the current value of
the Connector acceptCount.
Even more specifically, my webapp is serving pages, and answering SOAP
requests. I need to
Well, I don't know about always. I have yet to find a 1.6 JDK from
Sun that is even close to stable. With heavy use (especially heavy
multithreaded use), we have found that all of the available 1.6 JDK's
segfault.
The latest JDK (1.6 update 10) is less than a month old - and it is a
huge change
My guesses:
Your application has bad sync locking between some threads, which is
causing one thread to block the others.
Your application has bad database access code, which allows one thread
to block others while waiting on the DB.
Your application is disk bound, and the single long process is
On Mon, Jul 7, 2008 at 8:43 AM, Piller Sébastien [EMAIL PROTECTED] wrote:
Hello,
I have my application in production for a month now. I've some problem of
memory leak that force me to restart TC each few days.
Or, you know, you could fix the actual problem - the memory leak.
Go get yourself
What kind of work is Tomcat doing for each request that WAPT sends in?
For example, if you were doing something that had to go back to a
database, and you had a bad sync block in your code somewhere, or
didn't have enough connections in your DB pool, that could cause it to
behave like it is
To answer my own question, it looks like jfreechart.
http://sourceforge.net/projects/jfreechart
On Mon, Feb 25, 2008 at 8:50 AM, Dan Armbrust
[EMAIL PROTECTED] wrote:
Does anyone happen to know what package Lamda Probe uses to create its
graphs? They look really nice.
I would search
If there are any other legitimate reasons - such as - you needed to
fix some bugs in the code that weren't being addressed in dbcp, then
you should just put the code in your source control system.
If this was the problem, the right way to fix it would be to go and help
out DBCP and
So, I have an issue with tomcat's database connection pool. Namely,
my connections keep getting closed, instead of reused.
I figured that the easiest way to figure out what was going wrong was
to put this in my debugger, so I could follow the close() call which
should release the db connection
Did it occur to you that no-one would go to all this trouble unless there
was a good reason for the re-factoring? Apparently not. If your tone had
been more reasonable I would have taken the time to explain the reasoning.
Since it wasn't - STFW.
It was a sarcastic rant, because I was
Allright, the deeper I dig, the more confused I get.
I think there is a bug here, bug I still can't pinpoint how it happens.
Let's say I'm deploying 2 web applications - both use struts, and
therefor have dependencies on commons-digester.
App A starts up. A includes a log4j jar file. As A
On Jan 25, 2008 9:28 PM, Konstantin Kolinko [EMAIL PROTECTED] wrote:
What exactly tomcat, log4j versions are you using?
Tomcat 5.5.23
Log4j 1.2.15
Do those warnings affect the rest of your application?
No, but my customers notice them and file issues
Is you
configuration read and is
This seems to be a fairly common problem, but doesn't appear to have a
common solution. Any help appriciated...
When I launch a webapp, which includes log4j, I get the following warning:
log4j:WARN No appenders could be found for logger
(org.apache.commons.digester.Digester.sax).
log4j:WARN
I want to create a webapp that just lists the content of a directory -
but I don't want to turn on directory listing globally.
I've seen lots of people say it can be done, just do but I've yet
to find a working example. Can someone tell me what I'm missing here?
I have a file:
There is a typo in the below.
This
tomcat/server/webapps/billing/WEB-INF/web.xml
Should have been
tomcat/server/webapps/foo/WEB-INF/web.xml
So thats not the problem.
Dan
On Dec 14, 2007 3:10 PM, Dan Armbrust [EMAIL PROTECTED] wrote:
I want to create a webapp that just lists the content
Looks like you have an invalid / missing server.xml file.
Dan
On Dec 12, 2007 3:35 AM, marsulein [EMAIL PROTECTED] wrote:
System configuration is as follow:
OS : Windows 2003 Server
Tomcat: 4.1.36
JSDK: 1.4.2.13
Attached are the error logs generated by tomcat.
[EMAIL PROTECTED] wrote:
From: Dan Armbrust [mailto:[EMAIL PROTECTED]
Subject: directory listings per webapp
Context path=/foo docBase=/dir/foo debug=0 privileged=false
/Context
Broken record: take out the path attribute; it's not allowed (but it's
not this problem).
servlet-mapping
Probably not. You specified a docBase of /dir/foo for the foo webapp,
but appear to have been editing webapps/foo/WEB-INF/web.xml, which is
not where you've told Tomcat the app is deployed. It's extremely bad
practice to have a directory under the Host appBase that's the same as
one for an
On Dec 14, 2007 4:17 PM, Caldarale, Charles R
[EMAIL PROTECTED] wrote:
From: Dan Armbrust [mailto:[EMAIL PROTECTED]
Subject: Re: directory listings per webapp
Thanks a lot. I'll see if I can get access to
http://wiki.apache.org/tomcat/FAQ/Miscellaneous and update the answer
Finally - I understand most of what is wrong! I finally got access to
the system again, and after pulling off the debug log from the service
launcher, things became clear.
It turns out that on this system, the command that was actually being
run to register the service was:
I am using this version of java:
C:\NetProvision\jre\binjava -version
java version 1.5.0_07
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_07-b03)
Java HotSpot(TM) Client VM (build 1.5.0_07-b03, mixed mode)
The jvm.dll version that I am using reports
File version: 5.0.70.3
Full
jvm.cfg contains the following:
-client KNOWN
-server KNOWN
-hotspot ALIASED_TO -client
-classic WARN
-native ERROR
-green ERROR
I don't think that there is a JAVA_OPTS variable set, but I will
verify that on the problem machine.
Thanks,
Dan
On 10/26/00, [EMAIL PROTECTED] [EMAIL PROTECTED]
I have a difficult but severe problem with the tomcat service launcher
on windows server 2003.
Our application installs itself, tomcat, and a jvm, and then runs a
bat file which registers the tomcat server, using our provided jvm.
I _know_ this code works fine almost everywhere - it has been in
Pease add a ex.printStackTrace() call to your exception catch block,
and then post the results. That will give more information as to what
went wrong.
You may need to take this question to the postgres mailing lists.
Dan
On 9/5/07, Chris Baty [EMAIL PROTECTED] wrote:
I'm not sure. The code
A simple cron job that points to a URL using lynx, and greps the
output for what it should see will do the trick...
Dan
On 8/20/07, Kim Albee [EMAIL PROTECTED] wrote:
Hello --
We have a load balanced situation, and we have a JSP that runs and checks
our application to ensure it's up and
That was the next thing I looked into after I solved this bug. I
fixed it by commenting out the Listener
className=org.apache.catalina.core.AprLifecycleListener / line in
the server.xml file.
My take on the native APR stuff (which is likely completely wrong
since it consists of what I learned in
I just upgraded from 5.5.9 to 5.5.23, and now, when I shut down
tomcat, I get these errors.
Any idea whats going on? Looks like I have an out of date jar file on
the classpath - but as far as I know, these are tomcat only jar
files...
Thanks
INFO: Server startup in 8284 ms
Aug 14, 2007
When I was upgrading tomcat, I had a jar file hang around in source
control that shouldn't have been there.
I had both commons-modeler.jar and commons-modeler-2.0.jar in my
server lib folder.
All better now,
Thanks,
Dan
On 8/14/07, Martin Gainty [EMAIL PROTECTED] wrote:
Dan-
did you check
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