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Domino Resource Issues under XPages
   

A couple of weeks ago, we launched a new XPages app. Hopefully the first of many. It was very impressive and we got a lot of hits....

...until the server crashed.

Not a big deal. Our server is set to restart automatically, and it was up and running in no time. Then about 1.5 days later we had another crash.

We've decided to tackle this on a few fronts, first of all we're rewriting some parts of the app to be a bit less intense and to take better advantage of the recycler. That's all cutting edge development stuff, so it's really not "me".

On the admin side, I wanted to see if we could release resources a bit. I checked the server close to a crash but there's no indication on the Windows 2003 side of things. Of course, the Notes Logs tell a different story.

HTTP JVM: CLFAD0211E: Exception thrown. For more detailed information, please consult error-log-0.xml located in e:/Lotus/Domino/data/domino/workspace/logs
HTTP JVM: >>>>
HTTP JVM: The XPages runtime engine faced an OutOfMemoryError
HTTP JVM: You can fix this by increasing the value of the HTTPJVMMaxHeapSize variable in notes.ini
HTTP JVM: >>>>
HTTP JVM: Out of memory exception occurred servicing request for: /publicsite/OurNewXpagesDB.xsp - HTTP Code: 500. For more detailed information, please consult error-log-0.xml located in e:/Lotus/Domino/data/domino/workspace/logs
HTTP Web Server: Command Not Handled Exception [/publicsite/OurNewXpagesDB.xsp] Anonymous
HTTP JVM: CLFAD0211E: Exception thrown. For more detailed information, please consult error-log-0.xml located in e:/Lotus/Domino/data/domino/workspace/logs

So, we decided to try a http restart next time these error messages started building up.

It worked!
Doing a TELL HTTP RESTART bought us two more days of uptime.


To Restart or not to Restart?
We looked around and found that our problems weren't as unique as we'd imagined. There are a few people on 8.5 and above (we're currently 8.5.2) who have this problem.

Apparently also, a Tell HTTP Restart flushes memory but doesn't do much for the JVM.

To flush the JVM, we need to think about;

TELL HTTP QUIT
then after a few minutes
LOAD HTTP

or as the guy in the IT Crowd says "have you tried turning it off and on again?"

We'll be doing this until we get our application sorted but the question is; should this be part of our normal nightly routine? Maybe it's good practice to restart your web server's service nightly - especially if you have a cluster which could take the load while the restart occurs.

Does anyone think that this is "best practice"?


---------------------
http://dominogavin.blogspot.com/2011/07/domino-resource-issues-under-xpages.html
Jul 17, 2011
87 hits



Recent Blog Posts
273


IBM Notes: 25 Years and Counting...
Thu, Nov 27th 2014 4:25p   Gavin Bollard
Today marks 25 Years of IBM (Lotus) Notes. It's a pretty impressive lifespan for a product. Sure, Windows has been going 29 years and there are many older systems out there but few I suspect have retained the incredible levels of compatibility that Notes has. Can you still run Windows 1.0, 2.0, 3.0 or even 95 programs on the latest Windows? Sometimes, but not really. Not without emulation. Notes applications however still run fine on the newer notes platforms. What is Notes?For so many years, [read] Keywords: admin collaboration connections domino ibm lotus notes notes client sametime xpages application applications development email microsoft openntf outlook security server websphere workspace
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Using your Operating System Login for IBM Notes can "Poison" your IDs (and how to fix it)
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For years, we've had it easy with Notes. We've had our ID files stored safely on a secure drive and whenever a user moved to a new desktop, we could simply copy their original ID over to their new machine and do most of the setup without them. All that changed somewhere between Windows 7, Notes 9 and getting Notes to use the Operating System login. It's a good change, don't get me wrong and it certainly protects the users privacy and makes things more secure. Unfortunately it also renders a [read] Keywords: domino ibm notes notes client desktop password security
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Reusing Text in Word 2010 via Bookmarks - Part 2 Getting your formatting right
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In my last post on reusing text via bookmarks in Word, I mentioned that there was a problem with the reused text retaining formatting. Sure, you can reformat the text to look how you want but when you update it, then new text takes on characteristics of the old. You end up with text that looks like this.... There's an easy (but not obvious) way to fix this; Getting into Reveal Codes Mode on Field So, first we need to know exactly what makes our fields tick. So, click on one of your fiel [read] Keywords:
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How to Reuse Text via Bookmarks in Word 2010 (Update once and have it auto-update throughout the document)
Wed, Jun 18th 2014 9:45p   Gavin Bollard
I guess this is a bit of an oldie but I was surprised how many people didn't know about it. Why would you do this? If you find yourself opening old documents and then doing a search and replace to change a name, a date or a version number, then this is the tip for you. It allows you to write your key information down once and then have it auto-update. If you do a lot of contracts or quotes - or basically any kind of document based on a template, then you'll find this very handy. Getting S [read] Keywords: microsoft office
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How to do Bullets and Numbering in IBM Notes
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Getting Notes 9 to show Email Addresses as you type
Tue, Jun 11th 2013 10:05p   Gavin Bollard
Until recently, in fact until Notes 9, our Notes clients used to show email addresses as we typed them in but suddenly with IBM Notes 9, it started showing their Job Titles. We got a lot of complaints about this and the fix wasn't entirely obvious (to me at least), so that's why I'm documenting it here. As you can see, the problem wouldn't be so bad if all of our contacts came from the same company - but they don't. Our contacts come from lots of different companies. So, how do we change [read] Keywords: ibm notes notes client notesmail email




381


How to Get your Personal Address Book Data Synching with IBM Notes Traveler and the iPhone/Android
Thu, May 16th 2013 6:42p   Gavin Bollard
I'm surprised that nobody seems to know how to do this - well, according to my research on the web anyway. So here it is, the instructions for getting your IBM Notes (we don't use the words Lotus Notes anymore) personal address book Synched with your Apple iPhone (and presumably Android too). Note: I'm assuming that you're already running Traveler and are able to get your mail and calendar. Enabling Contacts Synchronisation In IBM Notes, Select File, then Preferences. Click on Contacts Ma [read] Keywords: ibm lotus notes notes client traveler apple iphone mobile
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How to Figure out When an Extranet User last logged into your Domino Server
Thu, Apr 25th 2013 7:42p   Gavin Bollard
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Book Review: Instant IBM Lotus Notes 8.5.3: How-to by Barry Max Rosen
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Getting into IBM Notes 9
Tue, Apr 2nd 2013 10:05p   Gavin Bollard
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