Re: memory leak in Tomcat 8.0.9

> Thanks > Ambica. > > -Original Message- > From: Mark Thomas [mailto:ma...@apache.org] > Sent: Friday, May 20, 2016 9:34 AM > To: Tomcat Users List > Subject: Re: memory leak in Tomcat 8.0.9 > > First of all, the subject is wrong. There is no memory leak in Tomcat. >

RE: memory leak in Tomcat 8.0.9

bject: Re: memory leak in Tomcat 8.0.9 First of all, the subject is wrong. There is no memory leak in Tomcat. There is a memory leak in the application you are running on Tomcat. On 20/05/2016 14:21, Sanka, Ambica wrote: > 2016-05-19 14:03:31,161 [localhost-startStop

Re: memory leak in Tomcat 8.0.9

First of all, the subject is wrong. There is no memory leak in Tomcat. There is a memory leak in the application you are running on Tomcat. On 20/05/2016 14:21, Sanka, Ambica wrote: > 2016-05-19 14:03:31,161 [localhost-startStop-2] WARN > org.apache.catalina.loader.WebappClassLoader- The web app

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Howard, On 4/16/13 6:52 PM, Howard W. Smith, Jr. wrote: > just today, i recognized a query, such as following which was > performing very poorly, even though the JOIN was on a > primary/foreign key, and ORDER BY on primary key (which 'should' be > f

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

On Tue, Apr 16, 2013 at 10:31 AM, Christopher Schultz < ch...@christopherschultz.net> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA256 > > Howard, > > On 4/15/13 4:02 PM, Howard W. Smith, Jr. wrote: > > On Mon, Apr 15, 2013 at 1:08 PM, Christopher Schultz < > > ch...@christopherschultz.n

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Howard, On 4/15/13 4:02 PM, Howard W. Smith, Jr. wrote: > On Mon, Apr 15, 2013 at 1:08 PM, Christopher Schultz < > ch...@christopherschultz.net> wrote: > > Howard, > > On 4/14/13 9:53 PM, Howard W. Smith, Jr. wrote: I am definitely relying o

RE: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

> -Original Message- > From: Christopher Schultz [mailto:ch...@christopherschultz.net] > Sent: Sunday, April 14, 2013 5:52 PM > To: Tomcat Users List > Subject: Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit) > > I've had people tell me that I should run wi

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

On Mon, Apr 15, 2013 at 1:08 PM, Christopher Schultz < ch...@christopherschultz.net> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA256 > > Howard, > > On 4/14/13 9:53 PM, Howard W. Smith, Jr. wrote: > > I am definitely relying on user HttpSessions, and I do JPA-level > > caching (stateme

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

On Mon, Apr 15, 2013 at 11:18 AM, Mark Eggers wrote: > On 4/15/2013 7:25 AM, David kerber wrote: > >> On 4/15/2013 10:10 AM, Howard W. Smith, Jr. wrote: >> >>> On Mon, Apr 15, 2013 at 7:40 AM, David kerber >>> wrote: >>> >>> On 4/14/2013 11:10 PM, Howard W. Smith, Jr. wrote: On Sun, A

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Howard, On 4/14/13 9:53 PM, Howard W. Smith, Jr. wrote: > I am definitely relying on user HttpSessions, and I do JPA-level > caching (statement cache and query results cache). pages are > PrimeFaces and primefaces = xhtml, html, jquery, and > MyFac

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

On 4/15/2013 7:25 AM, David kerber wrote: On 4/15/2013 10:10 AM, Howard W. Smith, Jr. wrote: On Mon, Apr 15, 2013 at 7:40 AM, David kerber wrote: On 4/14/2013 11:10 PM, Howard W. Smith, Jr. wrote: On Sun, Apr 14, 2013 at 10:52 PM, Mark Thomas wrote: On 14/04/2013 21:53, Howard W. Smith, J

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

On 4/15/2013 10:10 AM, Howard W. Smith, Jr. wrote: On Mon, Apr 15, 2013 at 7:40 AM, David kerber wrote: On 4/14/2013 11:10 PM, Howard W. Smith, Jr. wrote: On Sun, Apr 14, 2013 at 10:52 PM, Mark Thomas wrote: On 14/04/2013 21:53, Howard W. Smith, Jr. wrote: On Sun, Apr 14, 2013 at 6:

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

On Mon, Apr 15, 2013 at 7:40 AM, David kerber wrote: > On 4/14/2013 11:10 PM, Howard W. Smith, Jr. wrote: > >> On Sun, Apr 14, 2013 at 10:52 PM, Mark Thomas wrote: >> >> On 14/04/2013 21:53, Howard W. Smith, Jr. wrote: >>> >>> On Sun, Apr 14, 2013 at 6:51 PM, Christopher Schultz< ch...@ch

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

On 4/14/2013 11:10 PM, Howard W. Smith, Jr. wrote: On Sun, Apr 14, 2013 at 10:52 PM, Mark Thomas wrote: On 14/04/2013 21:53, Howard W. Smith, Jr. wrote: On Sun, Apr 14, 2013 at 6:51 PM, Christopher Schultz< ch...@christopherschultz.net> wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SH

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

On Sun, Apr 14, 2013 at 10:52 PM, Mark Thomas wrote: > On 14/04/2013 21:53, Howard W. Smith, Jr. wrote: > >> On Sun, Apr 14, 2013 at 6:51 PM, Christopher Schultz < >> ch...@christopherschultz.net> wrote: >> >> -BEGIN PGP SIGNED MESSAGE- >>> Hash: SHA256 >>> >>> Howard, >>> >>> On 4/11/13

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

On 14/04/2013 21:53, Howard W. Smith, Jr. wrote: On Sun, Apr 14, 2013 at 6:51 PM, Christopher Schultz < ch...@christopherschultz.net> wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Howard, On 4/11/13 10:38 PM, Howard W. Smith, Jr. wrote: On Thu, Apr 4, 2013 at 2:32 PM, Christopher Sc

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

On Sun, Apr 14, 2013 at 6:51 PM, Christopher Schultz < ch...@christopherschultz.net> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA256 > > Howard, > > On 4/11/13 10:38 PM, Howard W. Smith, Jr. wrote: > > On Thu, Apr 4, 2013 at 2:32 PM, Christopher Schultz < > > ch...@christopherschultz.ne

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Howard, On 4/11/13 10:38 PM, Howard W. Smith, Jr. wrote: > On Thu, Apr 4, 2013 at 2:32 PM, Christopher Schultz < > ch...@christopherschultz.net> wrote: > >> Your heap settings should be tailored to your environment and >> usage scenarios. > > Int

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

Chris, My apologies for late response; just realized earlier this afternoon that I didn't respond. On Thu, Apr 4, 2013 at 2:32 PM, Christopher Schultz < ch...@christopherschultz.net> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA256 > > Howard, > > On 4/3/13 4:15 PM, Howard W. Smith, Jr

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Saumil, On 4/3/13 2:16 PM, saumil shah wrote: > I did change in Tomcat 6.0/Conf/server.xml unpackWARs="false" and > autoDeploy="false" Why? I don't believe I mentioned either of those settings... > but the logs still complaint about the Deploying

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Howard, On 4/3/13 4:15 PM, Howard W. Smith, Jr. wrote: > On Tue, Apr 2, 2013 at 5:12 PM, Christopher Schultz < > ch...@christopherschultz.net> wrote: > >> If you don't re-deploy your webapp, then daily rolling Tomcat >> restarts are not necessary.

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

On 3 Apr 2013, at 15:36, Christopher Schultz wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA256 > > Saumil, > > Please try to keep discussions on the mailing list to everyone can > benefit. > > On 4/2/13 6:48 PM, saumil shah wrote: >> For some reason ...I do not see Java process in Task M

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

e: Wed, 3 Apr 2013 10:35:50 -0400 >> From: ch...@christopherschultz.net >> To: users@tomcat.apache.org >> CC: saumil...@hotmail.com >> Subject: Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit) >> >> -BEGIN PGP SIGNED MESSAGE- >> Hash: SHA256 >>

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

Chris, On Tue, Apr 2, 2013 at 5:12 PM, Christopher Schultz < ch...@christopherschultz.net> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA256 > > > > I understand its not a premanent solution but as a stopgap for now > > ? If so , we can put it as part of daily cycle to bounce tomcat6. >

RE: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

C: saumil...@hotmail.com > Subject: Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit) > > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA256 > > Saumil, > > Please try to keep discussions on the mailing list to everyone can > benefit. > > On 4/2/13 6:48 PM, saumil s

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Saumil, Please try to keep discussions on the mailing list to everyone can benefit. On 4/2/13 6:48 PM, saumil shah wrote: > For some reason ...I do not see Java process in Task Manager in > Windows, just Tomcat6 process. I am assuming killing Tomc

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Saumil, On 4/2/13 5:01 PM, saumil shah wrote: > Thanks so much Chris this has been very very helpful ... > appreciate you taking time out. Would stopping Tomcat6 service in > Windows 2008 R2 take care of this "orphan threads" if you will ? > Also,

RE: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

n but as a stopgap for now ? If so , we can put it as part of daily cycle to bounce tomcat6. Many thanks. > Date: Tue, 2 Apr 2013 15:58:53 -0400 > From: ch...@christopherschultz.net > To: users@tomcat.apache.org > Subject: Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit) > > -

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Saumil, On 4/1/13 11:01 PM, saumil shah wrote: > I recently deployed one of the COTS products SAP Business Objects. > When the product was deployed , everything seemed to run fine but > yesterday we started experiencing "Service is unavailable" er

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

Caldarale, Charles R wrote: From: saumil shah [mailto:saumil...@hotmail.com] Subject: Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit) Don't top post - it's annoying and confusing. can we deploy 32 bit web applications on 64 bit tomcat? The point being made is that your questi

RE: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

> From: saumil shah [mailto:saumil...@hotmail.com] > Subject: Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit) Don't top post - it's annoying and confusing. > can we deploy 32 bit web applications on 64 bit tomcat? The point being made is that your question doesn't mak

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

Thanks andre..can we deploy 32 bit web applications on 64 bit tomcat? -Original Message- From: André Warnier Sent: 2 Apr 2013 08:51:00 GMT To: Tomcat Users List Subject: Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit) saumil shah wrote: > Hello there, > > I recently dep

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

saumil shah wrote: Hello there, I recently deployed one of the COTS products SAP Business Objects. When the product was deployed , everything seemed to run fine but yesterday we started experiencing "Service is unavailable" error , upon enabling DEBUG logs in Tomcat , we saw the error below w

Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

Saumil, On 2.4.2013 5:01, saumil shah wrote: I recently deployed one of the COTS products SAP Business Objects. When the product was deployed , everything seemed to run fine but yesterday we started experiencing "Service is unavailable" error , upon enabling DEBUG logs in Tomcat , we saw the

RE: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)

Hello there, I recently deployed one of the COTS products SAP Business Objects. When the product was deployed , everything seemed to run fine but yesterday we started experiencing "Service is unavailable" error , upon enabling DEBUG logs in Tomcat , we saw the error below with memory leak messa

Re: memory leak in tomcat

Hi Warren, thanks for the help. I found that the application creates lots of SessionFactoryImpl objects even though one is enough I changed this part of webapp. Now it has only one SessionFactoryImpl and the memory leak is gone. bye 2012/5/24 Warren Bell > Is this the same server with the Wic

Re: memory leak in tomcat

Is this the same server with the Wicket app you posted about earlier ? If so, you have a Wicket app that is storing the SessionFactoryObjectFactory on a page as a class member. Wicket stores each page a user has been to in the user's session. If the page has class members, then it serializes them a

Re: memory leak in tomcat

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Konstantin, On 5/24/12 8:42 AM, Konstantin Kolinko wrote: > 2012/5/24 Christian Kaufhold : >> Hi, >> >> I have a leaking Tomcat App I checked the heap with the Eclipse >> Memory Analyser and it says >> >> The classloader/component >> *"org.apache.ca

Re: memory leak in tomcat

2012/5/24 Christian Kaufhold : > Hi, > > I have a leaking Tomcat App > I checked the heap with the Eclipse Memory Analyser > and it says > > The classloader/component *"org.apache.catalina.loader.WebappClassLoader @ > 0x94532f50"* > occupies *376.421.152 (79,51%)* bytes. The memory is accumulated i

Re: memory leak in tomcat

Christian Kaufhold wrote: Hi, I have a leaking Tomcat App I checked the heap with the Eclipse Memory Analyser and it says The classloader/component *"org.apache.catalina.loader.WebappClassLoader @ 0x94532f50"* occupies *376.421.152 (79,51%)* bytes. The memory is accumulated in one instance of

Re: Memory Leak in Tomcat

Hey, i've posted a message on JTDS forums, but no one answered. I know the memory leak is caused by the dll, since when I don't use it, all is good. i'll open a new thread here, thanks 2011/3/6 André Warnier > הילה wrote: > >> Security seems to be always in the hands of the wrong people. >> >>

Re: Memory Leak in Tomcat

הילה wrote: Security seems to be always in the hands of the wrong people. No need for insults here, this is a new requirement which I'm not familiar with, and that's why I asked you guys.. Instead of the JTDS, can I use Tomcat Spengo? will it provide same results, as using a domain user for th

Re: Memory Leak in Tomcat

I trust the people in the company, but the company's work is with sites that any user all over the internet can access. so we want to perform a damage control if some hacker would gain access to our web server, so if he can - he won't get access to the DB, at least not with our help of displaying t

Re: Memory Leak in Tomcat

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 הילה, On 2/23/2011 2:06 AM, הילה wrote: > I've posted my problem in the sourceforge forums, but no comments have > received so far. :( > > If you have any suggestions to replace this, another way to authenticate the > tomcat to the DB with user and p

Re: Memory Leak in Tomcat

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 All, Bah. The OP replied to me directly (and CC'd the list) and so a REPLY went to the OP and not to the list. Re-posting back. On 2/22/2011 4:52 PM, Christopher Schultz wrote: > הילה, > > On 2/22/2011 4:39 PM, הילה wrote: >> I have used JProfiler t

Re: Memory Leak in Tomcat

Sorry for the sent mail double time thing :] i'll check the Jespa suggestion. thanks :] keep the ideas coming, guys. every little thing could help Thanks Hila 2011/2/23 André Warnier > הילה wrote: > >> I've posted my problem in the sourceforge forums, but no comments have >> received so far.

Re: Memory Leak in Tomcat

הילה wrote: I've posted my problem in the sourceforge forums, but no comments have received so far. :( If you have any suggestions to replace this, another way to authenticate the tomcat to the DB with user and password that do not appear in clear text, I'll be glad to hear about it. Have a lo

Re: Memory Leak in Tomcat

I've posted my problem in the sourceforge forums, but no comments have received so far. :( If you have any suggestions to replace this, another way to authenticate the tomcat to the DB with user and password that do not appear in clear text, I'll be glad to hear about it. Thanks Hila 2011/2/23 A

Re: Memory Leak in Tomcat

הילה wrote: ... The tomcat service (on windows) ran with local system... Ok, now I get it. ... Now the tomcat service is running (as a Windows domain user) and authenticates to the DB with a domain user The above are two entirely distinct matters. 1) the Tomcat service was running as "Lo

Re: Memory Leak in Tomcat

Hey, When going to tomcat site, you can download "32-bit/64-bit Windows Service Installer " That's what I have installed. When installing this, it creates the tomcat service in windows + the regular folder under c:\progr

Re: Memory Leak in Tomcat

הילה (Interesting: my Thunderbird email client seems unable to remove your name above...) Anyway, hi. Your initial description says : Until now, we used [b]SQL Authentication[/b] for the tomcat service and configuration (user and password for tomcat to access the DB was provided within the xml

Re: Memory Leak in Tomcat

Hey, I have used JProfiler to monitor the tomcat process, but haven't found anything useful. you can see that the tomcat process is the only one that increasing, and it started to happen since i switched to windows authentication.. so I think it's connected? what is a heap analysis? how can i enab

Re: Memory Leak in Tomcat

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 הילה, On 2/20/2011 8:28 AM, הילה wrote: > I work in a company which we use Tomcat (5.5.26 and recently we've upgraded > it to 6.0.29) to run our application. Any chance you can move all the way up to 6.0.32? > since we changed > configuration to use

Re: memory leak in tomcat?

2011/2/3 maxxe...@gmail.com : > Hi, > > Tomcat 6.0.26 on a solaris. > > After I unloaded a webapp and asked tomcat to 'find leaks', it > reported a webapp leaked memory. However, when I ran a profiler on the > heapdump, there are only 2 references to the webappclassloader. Both > are weak and are t

Re: memory leak in tomcat?

uploaded the screenshot here: http://i.imgur.com/OqCBv.png On Thu, Feb 3, 2011 at 9:29 AM, maxxe...@gmail.com wrote: > oh and here is a screenshot (not sure if attachments are allowed) > > -m > > On Thu, Feb 3, 2011 at 9:28 AM, maxxe...@gmail.com wrote: >> Hi, >> >> Tomcat 6.0.26 on a solaris. >

Re: memory leak in tomcat?

oh and here is a screenshot (not sure if attachments are allowed) -m On Thu, Feb 3, 2011 at 9:28 AM, maxxe...@gmail.com wrote: > Hi, > > Tomcat 6.0.26 on a solaris. > > After I unloaded a webapp and asked tomcat to 'find leaks', it > reported a webapp leaked memory. However, when I ran a profile

RE: Memory leak in Tomcat 5.5.16

Hello Tom, I am facing a similar issue. Could you please send that piece of code that was causing you this error, just that snippet should be good. Thanks Tom Price-3 wrote: > > Hi all, > > No more help required - I traced back all the references to the Request > objects and it did turn out

RE: Memory leak in Tomcat 5.5.16

Hi all, No more help required - I traced back all the references to the Request objects and it did turn out to be a bug in my application code. One of my tracing classes (written a long time ago, before we used Tomcat) was caching all created Thread objects. So when Tomcat decided to allocate ne

RE: Memory leak in Tomcat 5.5.16

Hi, I have now managed to do some analysis of the classes that are referencing the leaked objects, can anyone help me interpret these results? I got jmap/jhat working by upgrading to JRE 1.6.0_05, and took a heap dump at a time after a period of stress when all SOAP/XML connections had been close

RE: Memory leak in Tomcat 5.5.16

" To "Tomcat Users List" cc Subject RE: Memory leak in Tomcat 5.5.16 Christopher, Christopher Schultz wrote: > Have you been able to compare the numbers of those objects after, say, > 100 requests with the same object counts after, say, 1 requests? It > /i

Re: Memory leak in Tomcat 5.5.16

Tom Price I'm trying to find a tool that will show me which objects are holding onto references to these Tomcat objects, but haven't had much success so far - any suggestions gratefully received. Not free, but I use YourKit and get on very well with it. Mark -

RE: Memory leak in Tomcat 5.5.16

Christopher, Christopher Schultz wrote: > Have you been able to compare the numbers of those objects after, say, > 100 requests with the same object counts after, say, 1 requests? It > /is/ possible that Tomcat is leaking memory per connection, but very > unlikely given that thousands of serve

Re: Memory leak in Tomcat 5.5.16

try to disable the cache in conf/catalina.properties, at the bottom there is a setting you can set to false tomcat.util.buf.StringCache.byte.enabled=true if the problem still exists, use jmap to dump the heap, and analyse the actual dependencies for mem usage Filip Tom Price wrote: Hi, I h

Re: Memory leak in Tomcat 5.5.16

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Tom, Tom Price wrote: | I have analyzed the heap usage on a | system where this memory leak has occurred, and I see that the following | classes take up most of the memory: [snip] | Does anyone know what could trigger the above classes to be leaked