Application Pool and JClient

I don't understand if application pooling could be usefull in a JClient application (either Client/Server and EJB deployed).
If Yes what kind of benefits should I expect ?
How can I implement them ?
TIA
Tullio

As said,
not at present. If you read teh online help, then you will note that the session reference to the am pool is held with session cookies, something that JClient doesn't deal with.
Frank

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CR XI R2 "Database Login Failed" Recycled application pool and now it works

Hello,
I have a web application using CR XI R2 that has several reports which are pushed a dataset. These reports have been runing fine until today when I received an error stating "Database login failed." "Object reference not set to an instance of an object" in the report viewer control.
I recycled the application pool and the reports started working again.
My questions are:
What could be the cause of this and how can it be avoided?
Why does recycling the application pool correct the problem?
Regards.

Hi Tom,
Recycling keeps problematic applications running smoothly, especially when it is not feasible to modify the application code. Recycling helps ensure that problematic applications do not cause other applications to fail, and that system resources can be recovered from unhealthy applications.
Recycling an application pool causes the WWW service to shut down all running worker processes that are serving the application pool, and then start new worker processes. Whether the WWW service starts the new worker processes before it stops the existing one depends on the DisallowOverlappingRotation property in the metabase. Recycling an application pool does not alter any state in HTTP.sys or change any configuration in the metabase.
Note:
When an application pool is serviced by more than one worker process, the recycle operation is staggered in some scenarios. Only when a worker process is recycled on demand or when all of the worker processes hit their memory limits at the same time would they be restarted simultaneously.
For more info regarding this have a look to this [article|http://blogs.msdn.com/david.wang/archive/2006/01/26/Thoughts-on-Application-Pool-Recycling-and-Application-Availability.aspx]
Regards,
Shweta

Monitoring of Disabled Application Pools and Websites

So we have a SCOM 2012 SP1 environment monitoring an IIS server that's Server 2012. The IIS server has all of the App Pools that are not in use disabled as well the Default website is also disabled. SCOM unfortunately still picks up that these
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Yes, you can disable alerts of this specific object{Disabled application pools and websites}
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ADF Application (Web and JClient mix)

We are thinking of making a ADF application with a mix of Web and JClient interfaces similar to Oracle E-Business mix of Forms and Self Service Applications.
Is this possible in J2EE/ADF? can we launch a JClient Form by clicking on a Web link on one of a ADF-UIX page for example? What about sessions, are session data passed on from JClient->server and back?
We use an ADF-UIX page for basic view/entry screens and use JCLient for more complicated entries.
regards,
Anton

Anton,
I think that you should decide for one or the other and not mix them. If you need to have users to decide whether to run a browser based client or a desktop client then I propose to build two individual applications that re-use the model layer. If you can separate functionality by access paths then you can build parts web based and other parts desktop oriented.
Is this possible in J2EE/ADF? can we launch a JClient Form by clicking on a Web link on one of a ADF-UIX page for example?
You could if you deploy JClient as an Applet, which comes with a reasonable download size
What about sessions, are session data passed on from JClient->server and back?
No. JClient applications don't use web sessions.
We use an ADF-UIX page for basic view/entry screens and use JCLient for more complicated entries.
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Setting Users for my managed services and application pools

I setup my SharePoint 2013 test environment and I developed an intranet site. Now inside my test environment I set all the application pool & managed services to use Farm user account for simplicity. Now I want to setup my UAT environment and I want
to follow the best practice for managing users and service accounts.
I have read the “Core Solutions Of MS SharePoint 2013” book, and it have listed the following table:-
First question. What is the difference when saying that the user “Must be a member of the Farm Administrators group” Or must be “Domain user account”?
Second question , when I first install SharePoint 2013 a lot of applications pools and managed services such as excel services , access services, Performance Point Service Application, business
data connectivity and Machine Translation Service will be automatically created , so which account they will be using and should I define separate accounts for each managed service ?
Third question. What is the recommendation for SharePoint 2013 regarding service accounts?, to use separate account for each manage service, for example one user for excel services , second user
for access services ,etc?
Fourth question. For example the documentation mentioned that the Required roles for the excel services is “Domain user account.”, but what permissions this domain user need to have ?
thanks for any help, and sorry so adding multiple questions inside the same post.

Q #1: This means the user must be part of the Farm Admins group. Every user is a Domain User.
Q #2: Generally those should be using a single Domain User account in a single Application Pool to minimize memory usage and reduce unnecessary complexity.
Q #3: The less Application Pools the better. E.g. One account/App Pool for all Web Applications, one account/App Pool for all Service Applications, and then Central Administration is obviously separate.
Q #4: You don't need to specifically give this type of user any sort of rights
Trevor Seward
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This post is my own opinion and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

NLB Web Front End (WFEs)servers & Clustering IIS Application Pool between the two WFEs

Hi All,
I have just encountered a very bad experience in my Production environment.My topology is as follows: NLB WFEs, MOSS APP server, Cluster DBs, DCs.
NLB on the WFEs is working fine. However, for some unknown reason, one of my site under the Application Pool in IIS Manager was stopped on one of the WFE and the site was down. NLB did not redirect request to the second WFE server.
My question is: How can I make sites under the Application Pool highly available? If any site is in a stopped state, there should be a mechanism in place to redirect request to the Application Pool on the second NLB WFE.
Kindly help and advise.
Thanks all.

Hi Noah,
The best way of knowing whether the Application pool is down is to monitor it.
Using appcmd, i can check the state of an application under the application pool.
I want to create a schedule task which will check the status of the application pool and in case the application pool is stopped, to send me an email as alerts.
Using Powershell and appcmd, can you guide me on how to do the above i.e I want to use Powershell with appcmd to check for availability of an application pool. If the status is stopped, send me an email as alert.
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Desktop Heap usage with 1 Application Pool running as Web Garden

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strange errors in Event Viewer about Complus (Event ID 4689), which lead us to suspect it's Desktop Heap issue.
Could anybody please direct us on how to troubleshoot? We want to increase performance and use the memory more efficiently, but it will be hard if we do trial-and-error to find the good number of worker process to use.
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and HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WAS\Parameters\UseSharedWPDesktop=0)
Thanks.

This one might help.
http://www.airesoft.co.uk/desktopheapmonitor#install
Regards, Dave Patrick ....
Microsoft Certified Professional
Microsoft MVP [Windows]
Disclaimer: This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.

Data source for application using both pooled and non pooled connections

Hi guys.
I am integrating Oracle's connection pooling into an existing application that had formerly used dbConnectionBroker. It looks like this task should be quite straightforward. However, for consistency, I would also like to replace other Connection logic within the application to use Oracle classes. This will involve using OracleDataSource to obtain a Connection object. ( without pooling ).
So in this case, the application will use both pooled and non pooled Oracle connections. They will be connecting to the same database. The question I have is in regard to the use of data-sources.xml.
Are there any special considerations for the required attribute values within data-sources.xml under this scenario ?
Help will be greatly appreciated.
Regards.
Steve.

Hi Steve -
It should be feasible for you to define a single datasource using multiple location entries to indicate what sort of pooling behaviour you wish to use.
If you lookup and use the "location" attribute, you will receive a javax.sql.DataSource object which will not provide connection pooling.
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cheers
-steve-

IIS Issue:when trying to download code from AWS S3 and deploy in IIS server using Power Shell script while Windows startup Default Application pool is not started.

Hi,
I am trying to launch Amazon EC2 windows server 2008 R2 instance using AWS Auto Scaling feature. I have used cusmized AMI in Autoscaling Launch configuration to launch an instance.I have placed Power Shell script in AMI.
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Thanks in advance

Hi Vchreddy,
For the IIS issue, we recommend you can post in IIS forum for more effective support:
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Demo applications with BC4J and JClient

Are there any demo applications with BC4J and JClient, which go beyond the one frame samples, tutorials and how to's?
This would deliver a better insight to develop a complete application.
Bye
Holger

Thanks,
the Virtual Shopping Mall sample is quite not I have searched for, because it is primarily an Web application and I am searching for an JClient application without Application Server, but it is a beginning.
Bye
Holger

Central admin application pool is auto stopping and throwing 503 error

Hi All,
Central admin application pool is auto stopping and throwing 503 error
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All the application pool are auto stopping and when we trying to open central admin getting 503 error.
If I start the app pool again it will auto stop.
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Thanks in advance
Sunitha

Hi
couple of checks
1.check if the needed module is present in the system32\inetsrv folder. If it is absent then delete/comment the appropriate line in the
system32\inetsrv\config\applicationHost.config in the globalModules section. Perhaps you will have to delete some modules (that also won't be found and pointed by event viewer) from your IIS application pool.
2.
1) Open IIS.
2) Right click on your Application-Pool for the web application and select "Advanced Settings".
3) Set "Rapid-Fail Protection" -> "Enabled" to False.
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3.http://blogs.flexnetconsult.co.uk/colinbyrne/post/2012/11/11/RunningA32bitApplicationAlongsideSharePoint2013Problems.aspx
4.https://social.technet.microsoft.com/Forums/en-US/bfe0b2b0-7b50-4391-b076-bec14040504d/fixed-kb3037580-security-patching-4182015-application-pools-stopped?forum=sharepointgeneral
Regards,
Rajendra Singh
If a post answers your question, please click Mark As Answer on that post and Vote as Helpful
http://sharepointundefind.wordpress.com/

Configure Service Principle Name for Application Pool account and web application?

Hello Community
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The Web Application is only an IIS Site. You're configuring the SPN for the Domain User running the IIS Application Pool (that the Web Application (IIS Site) leverages).
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setspn -A HTTP/webAppUrl domain\iisapppoolacctusername
setspn -A HTTP/webAppUrl.fqdn.com domain\iisapppoolacctusername
Trevor Seward
Follow or contact me at...
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This post is my own opinion and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

IIS Virtual Directory and Application Pool for Large Images folder

I have a large images folder used for Upload and Download with approx. 1.5 TB for a web site.
My Website use AppPool_A.
For performance reasons, do I need to create different Virtual Directory and different Application Pool (AppPool_B) for Images folder. Assuming, if the number of users increase in upload/download images the memory & cpu utilization will be
more and App Pool recycle happens more often. And other impact is if Website and Images are in same App Pool, the application performance slow.
Pls. suggest
AnilKumar Bedide

Hi,
Please post on IIS fourm instead of here.
http://forums.iis.net/
Best regards,
Barry
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Oracle Application server connection pool and database links

I am using Oracle application server 10g with connection pools, the db used by the application connects to another oracle db using a database link. My question is when the application starts it creates 10 connections, does it also create x amount of database links as well?

Hi,
Is there any way to use the connection pool or Datasource while connecting to database?If I am using a stateless sesssion bean and using a Data Access layer which just creates a database session to write the persistence toplink objects how I can make use of application server connection pool?Hi Vinod,
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<login>
<user-name>sa</user-name>
<password></password>
<datasource>java:comp/env/jdbc/ejbJTSDataSource</datasource>
<uses-external-transaction-controller>true</uses-external-transaction-controller>
<uses-external-connection-pool>true</uses-external-connection-pool>
</login>
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example) with something like:
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because the EJB will handle this. Note that of course
the methods you create in the EJB that are using this
approach must have TX Required (default).
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Pete

How to check process is running for an application pool on remote server

Hi,
I am creating console application which will check whether WCF is up and running. I am thinking of the approach whether w3wp prcoess is running for a particular application pool using some .net API. We have different website with different application pool.
I know we can use metatdata or any operation inside WCF service to test svcutil or proxy methods but i don't want that. Please help.
Thanks,
Dhanaji

I assume your goal is to simply provide a heartbeat to periodically make sure that a service is running? There is no real guarantee that a service will be available until you actually try to call it.
Also please realize that you're going to impact the server's performance by doing this. IIS is set up to idle out apps that aren't being used. If you periodically poll the service then you will prevent IIS from doing this. The result will be
that you'll see a WCF service running even if nobody every uses it. Is this really what you want? Hence if you have a lot of WCF services being checked then the server is wasting resources on services that might not be needed.
IIS doesn't work like a normal application. It hosts your WCF service. You should let IIS handle the lifetime of your service rather than using a heartbeat. It would take a catastrophic failure for IIS to be unable to start a service when
a request comes in. The app pool itself may be running even without the WCF app running. An app pool is a collection of apps so if any app is running then the pool is running. Checking the pool tells you nothing about the apps in it.
You mentioned that you don't want to use IIS metadata or a proxy but that is the only 2 options you have. Personally I would just hit the endpoint with a HttpWebRequest and verify you get a response but the IIS metadata would be a close second.
Michael Taylor
http://blogs.msmvps.com/p3net

Application Pool and JClient

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