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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
164 hits



Recent Blog Posts
110


Reusing Text in Word 2010 via Bookmarks - Part 2 Getting your formatting right
Sun, Jun 22nd 2014 7:25p   Gavin Bollard
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
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I forgot the F8 shortcut key today and I looked it up via google. On the way I found a post about colouring text white to hide bullets in notes. Crazy. In any case, I wrote these instructions for my people and thought it was worth sharing on the blog; How to Do Bullets and Numbering in IBM Notes There are lots of cool things you can do with bullets in IBM Notes. To turn them on and off, click the bullets or numbering icons on the toolbar Getting Spacing in Bullets If you're in the middl [read] Keywords: ibm notes application blogger google properties
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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
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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
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248


How to Figure out When an Extranet User last logged into your Domino Server
Thu, Apr 25th 2013 7:42p   Gavin Bollard
So, you want to do a bit of spring cleaning in your domino address book and apart from people whose email addresses you use all the time, you want to get rid of people who haven't accessed the server in ages. How do you find out when their last access was? I notice there's a lot of paid solutions on the web but it's functionality that is built into domino already. Here's how to use this feature; Start Domino AdministratorOpen the server that people log intoClick on the tab marked People a [read] Keywords: domino email server




228


Book Review: Instant IBM Lotus Notes 8.5.3: How-to by Barry Max Rosen
Tue, Apr 16th 2013 4:02a   Gavin Bollard
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Getting into IBM Notes 9
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Apple iOS6 Calendaring bug Affecting Exchange (and by extension, Lotus)
Wed, Oct 24th 2012 10:42p   Gavin Bollard
One of the things that the company I work for (and most others) do on a regular basis is send meeting invites to people at other companies and on various other systems. Notes meeting handling isn't perfect and we've had trouble with Blackberry and Google calendars in the past, but nothing like the trouble we've had this week. It seems that when we send a meeting invite out and one of our recipients cancels, they take over the meeting as chair and cancel it for the remaining participants too [read] Keywords: calendaring domino lotus notes apple best practice blackberry blogger bug exchange exchange google microsoft
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How to Disable Phone-based data for the iPhone 4S
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