Local director with multiple virtual servers

I have a local director with 4 interfaces. Two interfaces are used for 2 virtual servers each bound to 2 real servers. The virtuals and the reals are on the same sub-net as the local director's IP address.
I would like to know if I can use the other 2 interfaces to bind 2 real addresses to a third virtual where all three of the address are located on a different Subnet from the servers already present.

Yes this is possible. However, in order to make this work you will need to configure a couple
of things. First, on the Local Director you should configure an 'alias ip address' that belongs in this new subnet. Second, you need to configure a secondary IP address on the upstream router. This will serve several purposes. One, the servers will be able to reach devices outside their own subnet. Two, the router will now belong to this subnet and therefore will be able to ARP for the new virtual.
Hope it helps.
Best regards,
Chip Schneider
Cisco TAC

Similar Messages

How to configure one TREX host with multiple index servers ?

Hi All,
Does anyone know how to configure TREX on the one host,
with multiple index servers ?
Reason for this is to make better use of resources available on the host server(4 Gig, 4 Processor, Windows2003), to improve the search performance of
our KM content for portal users.
I am using TREX 7 and have not been able to do this,
despite reading the Single and Distributed install
documentation.
Any help would be appreciated.
Regards,
Andres

Hi Andres,
To make use of the RAM a Server provides you have to run two indexserver processes (each can then consume 2 GB);
Proceed like this:
1. Go to TREXdeamon.ini; check if section [indexserver2] is there (it is already provided, but not active in standard installation)
2. In TREXdeamon.ini go to
[daemon]
references sections below
programs=nameserver,preprocessor1,indexserver1,queueserver,alertserver
and add indexserver2 here. Restart TREX; second porcess is then started; can be checked in TREX monitor in Portal as well
3. To distribute existing indexes to the new process, start TREXadmintool and go to Index: Landscape
Go to the last two columns and move the indexes (move master here/secondary mouse click)
If you don't distribute the indexes the new index server process will be regarded when an new index is created.
Hope this helps!
cheers
Bettina

BSPs configuration with multiple apps servers

Hi Masters,
This is regrarding configure ICM and BSPs on our production box with multiple application servers.
We have our production box in a cluster environment.
The central instance is dbciSAP and apps servers are sapaps2 thru sapaps6. The database is on shared disks. Whenever the central instance fails sapaps2 takes the control and become as dbciSAP but the main dbciSAP never become a application server when ever sapaps2 acts as dbciSAP. Since we have configured load balancing concept in production environment the users can login to system thru any application server. This is waht our environment.
As part of our production box to SAP 4.7 upgrade from 4.6C, we are asked to configure the environment to deploy BSPs. We have successfully configured and deployed the BSPs in our DEV and QAS system (Both are central instances with no application servers) except production box which is due in the next month.
The process we follow to activate BSPs is as follows:
1.Define an ICM service port in /etc/services file.
2.Add the ICM related parameters in instance profiles.
3.Make sure the ICM status is active in SMICM tx.
4.Activate the BSP services in SICF as per OSS note 571484.
Now, the question is how to configure the same ICM service and activate the BSPs since we have multiple multiple application servers.
Subsequently What I am enquirying is:
Do I need to define ICM service ports on each and every hosts where the application servers are running?
Do I need to make changes to each and every instance profile of the application server?
What are the differences in configuring ICM services on central instance and application instances?
Appreciate any help in this regard.
Thanks and Regards
Murty Patchipala

Grasshopper,
I think what you should really read up on is the SAP WebDispatcher. If are serious about running BSP/ICM across multiple app servers, this is the key technology:
http://help.sap.com/saphelp_nw04/helpdata/en/42/5cfd3b0e59774ee10000000a114084/frameset.htm This may also answer some of your questions about profile parameters.
Other than that I can share what we did. We did activate the ICM and services on all app servers and central instance. The service ports of the individual servers aren't that important now because of the WebDispatcher (at least they aren't visible to the user).
Yes we did make some of the ICM profile changes in each instance profile. If your settings are the same, consider using the default profile. Are their particular settings you are interested? I will look over ours, but I don't remember any huge differences from APP server to Central Instance.

Session cleanup issue with multiple Application servers

Hi ,
I am facing a strange problem with multiple application servers. The java Webdynro session does not get cleaned up completely when user closes the browser ( without using logoff ). On re-login it gets handle of old session and then fails for consecutive view on other webdynpro iviews with an invalid session error. It again starts working with a refresh event.
Any ideas/suggestion if you have seen something similar before ?
Thanks and regards,
Amit.

Hi Amit
It seems that issues is not server related, but caused by your client browser. I know, for example, that IE8.0 keeps user session even if two separate browser instances opened on the same client machine. IE 7.0 and lower behave differently - they are separate user sessions per browser instance.
BR, Siarhei

Integrating BIP with multiple LDAP servers

Hi,
my question is very simple. In Admin->Security Configuration->Security Model section i've setted Security model combobox with LDAP value. Then i've filled all LDAP information field (for example:URL). All works. But in my rpd i 've multiple LDAP servers (multiple URL) and in the form i can insert information about only one LDAP server.
Is it possible configure BIP with multiple LDAP servers?
Thanks
Giancarlo
P.S. I'm using OBIEE 10g

Hi,
my question is very simple. In Admin->Security Configuration->Security Model section i've setted Security model combobox with LDAP value. Then i've filled all LDAP information field (for example:URL). All works. But in my rpd i 've multiple LDAP servers (multiple URL) and in the form i can insert information about only one LDAP server.
Is it possible configure BIP with multiple LDAP servers?
Thanks
Giancarlo
P.S. I'm using OBIEE 10g

How to customize search in WS 7 and for multiple virtual servers?

I'm not clear on how to customize search results pages in Sun Web Server 7. The documentation (the Adminstrator's Guide, page 215) says:
You can take a look at the default search application located at /bin/https/webapps/search as a sample application
but I'm not seeing any such thing. I did a find . -name search -type d from the server root and instance root but the only search directories I'm seeing are subdirectories within the generated directory and they look like system generated jsps that I shouldn't touch (So I didn't :-)
So one question is, where is the default app? A second question is, how do we set up different branding for different virtual servers?
We're currently using WS 6.1 and it has a field in the GUI for the directory containing the web app to use for search. That seems to have disappeared in WS 7.
Any help would be appreciated. Thanks.
Dave

I don't use the search engine, so I'm afriad I don't have direct experience here.
What I'd probably do is modify the app so that it looks at the Host data to determine which directory it should point to for graphics, formatting, etc. You could also use the obj.conf with variables to pull graphics from directories appropriately branded. Something like:
1) Create "additional doc directory" for images
2) Find the entry in the obj.conf that points to the new directory
3) Modify the path to something like /path/to/$host/images
4) Make sure you create directories like:
/path/to/foobar.com/images/
/path/to/www.foobar.com/images/
/path/to/baz.com/images/
/path/to/www.baz.com/images/

Multiple Virtual servers, one listener setup

I am trying SJS 7 as a Proof of Concept project to replace our existing iPlaney 6 and Netscape 2 server instances.
My question is how do I setup SJS to have one http listener on port 80, but be able to handle multiple websites? I want to use a CNAME under our DNS and then have the SJS environment look to see what the domain name is and point it to the correct directory when called upon via web browser.
Under our DNS, each stub file has something like:
mysite IN CNAME devsite.mydomain.com
mysite2 IN CNAME devsite.mydomain.com
Under our Apache's virthost.conf, I just need to do the following:
<VirtualHost mysite.com>
ServerName mysite.com
DocumentRoot /web/mysite.com/htdocs
ErrorLog /var/web/mysite.com/error_log
CustomLog /var/web/mysite.com/access_log common
ScriptAlias /cgi-bin/ "/web/mysite.com/htdocs/"
<Directory /web/mysite.com>
Options Indexes FollowSymLinks Multiviews +Includes
AllowOverride All
</Directory>
</VirtualHost>
<VirtualHost mysite2.com>
ServerName mysite2.com
DocumentRoot /web/mysite2.com/htdocs
ErrorLog /var/web/mysite2.com/error_log
CustomLog /var/web/mysite2.com/access_log common
ScriptAlias /cgi-bin/ "/web/mysite2.com/htdocs/"
<Directory /web/mysite2.com>
Options Indexes FollowSymLinks Multiviews +Includes
AllowOverride All
</Directory>
</VirtualHost>
I setup two virtual servers under one configuration, but the http-listener-1 instance only wants to point to one virtual server instance rather than the pair. I tried to add a 2nd http-listener, but it won't allow me to use the same CNAME address nor port 80 for it as well.
How do I do the same thing that I do with Apache virthosting under SJS 7?
-- Michael

I took a look at the server.xml file, and I currently have this:
<http-listener>
<name>http-listener-1</name>
<ip>sjsdev.mysite.com</ip>
<port>80</port>
<server-name>sjsdev.mysite.com</server-name>
<default-virtual-server-name>screwball</default-virtual-server-name>
</http-listener>
<virtual-server>
<name>screwball</name>
<http-listener-name>http-listener-1</http-listener-name>
<host>sjsdev.mysite.com</host>
<object-file>screwball-obj.conf</object-file>
<document-root>/web/screwball.mysite.com/htdocs</document-root>
<log-file>/web/screwball.mysite.com/logs/server.log</log-file>
</virtual-server>
<virtual-server>
<name>fastball</name>
<http-listener-name>http-listener-1</http-listener-name>
<host>sjsdev.mysite.com</host>
<object-file>fastball-obj.conf</object-file>
<document-root>/web/fastball.mysite.com/htdocs</document-root>
<log-file>/web/fastball.mysite.com/logs/server.log</log-file>
</virtual-server>
I bounced the listener and virtual hosts then tried using a browser for testing.
If I go to http://screwball.mysite.com, it goes to the correct htdocs directory.
If I go to http://fastball.mysite.com, it goes to the screwball htdocs directory instead.
Also, is it possible to make these configuration changes via the Administration web GUI?
Trying to document this as much as possible, mostly via screenshots, for other team members.
-- Michael

SharePoint writer metadata information in a SharePoint farm with multiple WFE servers.

I am working on Microsoft Volume Shadow Copy Service (VSS) framework. I know that in a 3-Tier SharePoint environment the SharePoint writer metadata on WFE server gives all the information related to that farm.
My question is -
a) How would i get all the information related to the SharePoint farm from the SharePoint writer metadata in an environment where multiple WFE servers are configured?
b) Is it possible that in a SharePoint farm where multiple WFE servers are deployed, SP writer of only one WFE server (Master/Main server) contains all the information about the respective SP farm servers in its metadata?

Hi Aaditya,
All Writer Metadata is stored in Writer Metadata Document which is produced by writer. The backup application uses the Writer Metadata document to get information about that writer, the data it owns,
and how to restore that data. Once the writer produces it, the Writer Metadata Document is a read-only document to the backup application.
The Writer Metadata Document contains three sets of data: writer identification and classification information, writer-level specifications, and component data.
For getting Writer Metadata, you can use
IVssBackupComponents::GetWriterMetadata method.
For more information, you can refer to the articles:
http://msdn.microsoft.com/en-us/library/aa384992(v=vs.85).aspx
http://msdn.microsoft.com/en-us/library/aa384996(v=vs.85).aspx
http://blogs.technet.com/b/dpm/archive/2011/06/02/explaining-sharepoint-data-source-enumeration-with-data-protection-manager-2010.aspx
Best Regards,
Eric
Eric Tao
TechNet Community Support

Run Admin Server with multiple Managed Servers each using different userid?

We currently run separate WebLogic domain instances for each business application in a Unix environment. Each one is created using a unix userid unique to that application and which owns all the files and is used to run the process when that particular WebLogic instance is started up. We have run this way for a while.
I am considering altering our approach to the one that is recommended, i.e. in our Production environment we would run a single Admin instance with numerous managed servers. One issue I'm stuck on is the fact that in our current environment, each application has a different unix userid that owns the files making up the WebLogic domain instance and that WebLogic instance is run under that userid.
I've investigated and experimented using WebLogic 10.3 preview and WebLogic 10.0, but I haven't been able to determine what I have to do to make each managed server's files and processes belong to a different unix userid, if that is even possible.
Is there a way, using the recommended approach, where there is a single Admin instance that has multiple managed servers whose files and processes are owned by different unique, unix userids?
If not, how would you separate access to each of the Managed Servers so that the programmers who maintain them don't have access to Managed Servers that they are not responsible for?
Thanks for any help or suggestions.....

Hi:
I played with this stuff and I found that this will work, without the Location elements:
<IfModule mod_weblogic.c>
MatchExpression /app1 WebLogicHost=server1|WebLogicPort=7003
MatchExpression /app2 WebLogicHost=server2|WebLogicPort=7003
</IfModule>
Also this will work too, with no entries inside the IfModule element:
<Location /app1 >
SetHandler weblogic-handler
WebLogicHost server1
WebLogicPort 7003
</Location>
<Location /app2 >
SetHandler weblogic-handler
WebLogicHost server2
WebLogicPort 7003
</Location>

Application Server slowdown with multiple proxy servers ?

Our environment has our iAS boxes talking to iWS web servers which are front-ended with iPlanet Proxy servers (Proxy 3.53 I believe). We are seeing significant slowdown if we try and hit our web apps through the proxy as opposed to going directly to the web server (bypassing the proxy servers). One of our "proxy" guys recalls hearing that there is an issue with the app server's handling of sessions if requests from the same user come in to the web server (and by extension the app server) from multiple proxy servers with different ip's. Has any body ever encountered this or does any body know if the app server has an issue handling the same sessions whose requests come from different ip addresses (different proxies)?

The proxy work with HTTP 1.0 and the webserver with HTTP 1.1.
This difference could be the cause of your problems.
"David Fuelling" <[email protected]> escribio en el mensaje
news:[email protected]..
Our environment has our iAS boxes talking to iWS web servers which are
front-ended with iPlanet Proxy servers (Proxy 3.53 I believe). We
are seeing significant slowdown if we try and hit our web apps through
the proxy as opposed to going directly to the web server (bypassing
the proxy servers). One of our "proxy" guys recalls hearing that
there is an issue with the app server's handling of sessions if
requests from the same user come in to the web server (and by
extension the app server) from multiple proxy servers with different
ip's. Has any body ever encountered this or does any body know if the
app server has an issue handling the same sessions whose requests come
from different ip addresses (different proxies)?
Try our New Web Based Forum at http://softwareforum.sun.com
Includes Access to our Product Knowledge Base!

Broadcasting with Multiple Application Servers

Hi, If I schedule a query broadcast to fill olap cache and I have multiple production servers which App server(s) will get the cache filled? What ever server the broadcast job runs on?
If anyone can give some insight it is greatly appreciated.
Thanks,
Ken Murray

1. If the OLAP cache is set to main memory than the OLAP Cache only gets created on the server in which it is run? So if I have 4 servers with load balancing then it is possible for the next 3 people who run the query to not benefit from the initial OLAP Cache created.
--> Next 3 people will benefit only if they log in to the same server, if cache was created in app server 1 and next 3 login to app server 2, 3 and 4 they wont hit the cache from app server 1.
2. If I change it to BLOB than any of the query runs on any server would access the initial OLAP Cache Entry that was created?
--> Yes.
3. Where is this BLOB Cached created and made available from? The DB Server or on 1 of the APP Servers?
--> DB Server
http://help.sap.com/saphelp_nw04/helpdata/en/00/241da12ef84f40bb6ecd3ae73d8b58/content.htm
4. If SAP can make BLOB Cache available to all servers then why couldn't they make Main Memory Cache available to all servers?
Main memory is specfic to a server like how you have RAM for your PC, this is not accessible by other system. BLOB is Database and can be accessed by multiple systems.
Thanks.

Another newb question: multiple virtual servers

Hi, I have yet another ignorant question. I have several unrelated web projects that I am working on, and I would like to be able to set up a virtual server for each one for testing purposes, such as: http://project1, http://project2, http://project3. Can someone tell me if this is doable, and if there are any tutorials/resources on this for someone who has 0 experience running a web serer? Sorry for being so ignorant!

Yes, it is doable.
You can setup virtual server either by IP or by name.
If you have one IP, and want to set them up by name (ex. http://project1, http://project2, http://project3) you can do so easily with this type of configuration:
<virtual-server>
 <name>mydomain</name>
 <http-listener-name>http-listener-1</http-listener-name>
 <host>*.mydomain.com</host>
 <document-root>/www/domain</document-root>
</virtual-server>
<virtual-server>
 <name>myotherdomain</name>
 <http-listener-name>http-listener-1</http-listener-name>
 <host>*.myotherdomain.com</host>
 <document-root>/www/myotherdomain</document-root>
</virtual-server>
....The important part here is that
a) all virtual servers share the same HTTP listener
b) which virtual server serves the request depends on the $HOST request header send by the client. Sun Web Server does the matching for you. It will match $HOST vs. the virtual server's host attribute. Depending on which site you connect to the right virtual server will be used.
c) if the $HOST request header does not match any of the virtual servers, then the default virtual server defined in the HTTP listener will be used.
To create a virtual server, use the Admin GUI, access the configuration, and then add new virtual server. Or use the following CLI command.
wadm> create-virtual-server --config=myconfig --http-listener-name=http-listener-1 --document-root=/www/docs/myserver.com --host-pattern=myserver.com --log-file=../logs/myserver.com-error_logs myserverHost pattern will be used for matching. Some of this elements might be optional.
Hope that helps. And keep the questions coming :D
Edit: Also check the documentation
Using Virtual Servers in SJS Web Server 7.0

Having trouble with creation of a cloud service with multiple virtual machines using java sdk.

I am creating a cloud service on azure with 2 virtual machines using java sdk API. Service created successfully.
My input endpoint details are as follows.
INPUT ENDPOINTS
Head : 191.238.144.47:2400
Head : 191.238.144.47:22
Node0 : 191.238.144.47:43211
For Head instance port 2400 is for HTTPS and port 22 is for SSH and for Node0 instance port 43211 is for SSH.
But I am having problem with doing a ssh on Head instance. Sometimes it works sometimes doesn't. Same problem with HTTPS also.
I have some application running over there but when i try to access it thru browser sometimes it works but most of the time doesn't. When I restart the instances from azure portal, its works after
that(not always but most of the time).
Now I am confused what is going on there. I am creating cloud service and virtual machines using java sdk and setting input endpoints also. After creation of all instances i restart every instance programmatically .
I am not sure whether restart is required or not. It must be something to do with input endpoints only but not able to get the right thing i guess. When i do the same thing thru azure portal(creation of cloud service with virtual machines and setting up input
end points) everything works fine but not achieving the result when implementing it by java sdk API. Please help me.

HI Nithin,
Thanks for your reply. I am setting the endpoints after creating my instances using update call. Here's the code snippet.
AzureService aServ = new AzureService(session);
if(aServ.checkNameAvailability(clusterName)) {
aServ.createHostedService(clusterName, "dbX cluster");
// Creating head instance
aServ.createHead(clusterName, imgName, headType, userName, pswd);
// Setting end points for head node
String name = "ssh";
int port = 22;
aServ.updateVMInputEndpoint(clusterName, "Head", name, port);
// Restarting head instance
aServ.restartVM(clusterName, "Head");
String roleName = "Node";
String tmpRoleName = "";
for(int i=0; i<noi; i++) {
port = 43210+(i+1);
tmpRoleName = roleName + i;
// Creating node instance
aServ.createVM(clusterName, tmpRoleName, imgName, nodeType, userName, pswd);
// Setting end points for node instance
aServ.updateVMInputEndpoint(clusterName, tmpRoleName, name, port);
// Restarting node instance
aServ.restartVM(clusterName, tmpRoleName);
// Method to update the input endpoint details
public void updateVMInputEndpoint(String clusterName, String vmName, String name, int port)
throws Exception {
VirtualMachineGetResponse resp = computeManagementClient.getVirtualMachinesOperations().
get(clusterName, clusterName, vmName);
VirtualMachineUpdateParameters updateParameters = new VirtualMachineUpdateParameters();
//get the configuration list
ArrayList<ConfigurationSet> configlist = resp.getConfigurationSets();
//get inputendpoint list and update it
ArrayList<InputEndpoint> endpointlist = configlist.get(0).getInputEndpoints();
InputEndpoint inputEndpoint = new InputEndpoint();
inputEndpoint.setEnableDirectServerReturn(false);
inputEndpoint.setPort(port);
inputEndpoint.setLocalPort(port);
inputEndpoint.setName(name);
inputEndpoint.setProtocol(InputEndpointTransportProtocol.TCP);
endpointlist.add(inputEndpoint);
// Open port for https on head node
if(vmName.equals("Head")) {
inputEndpoint = new InputEndpoint();
inputEndpoint.setEnableDirectServerReturn(false);
inputEndpoint.setPort(2400);
inputEndpoint.setLocalPort(2400);
inputEndpoint.setName("https");
inputEndpoint.setProtocol(InputEndpointTransportProtocol.TCP);
endpointlist.add(inputEndpoint);
updateParameters.setConfigurationSets(configlist);
//required for update
OSVirtualHardDisk osVirtualHardDisk = resp.getOSVirtualHardDisk();
updateParameters.setOSVirtualHardDisk(osVirtualHardDisk);
updateParameters.setRoleName(resp.getRoleName());
OperationResponse updtResp = computeManagementClient.getVirtualMachinesOperations().update(clusterName, clusterName, resp.getRoleName(), updateParameters);
And every time i am creating a new cloud service along with head and node instances. Region is "South Central US".
I am setting ProvisionGuestAgent field to true at instance creation time. Thank you.

Corrupted wiki list with multiple virtual host

Hello,
I have several virtual hosts and I want each of them to only list of wikis which are associated with them using the Wiki Admin Settings -> Advanced : Specific Host Names.
This does not seem to work. As soon as a wiki is associated to a specific virtual host it disappears from the list of wiki (http://hostname/groups/) (on all virtual hosts actually). The wiki itself can still be accessed by its explicit address: http:/hostname/groups/wikiname
If I manually edit the sql3 file directoryIndex.db in /Library/Application Support/Apple/WikiServer
and replace the specific host name by "*", the wiki reappears in the wiki list but on ALL virtual host. Still it remains accessible only in the one designated in the wiki Settings.
Most frustrating. Any workaround ? Seems like a bug but the wiki implementation being so convoluted I am not completely sure.
Any help ?
Thanks
Paul

Hi,
Seems to work on my test ASA
Attached it to my current LAN interface.
ASA(config)# packet-tracer input LAN tcp 10.2.11.1 12345 64.156.192.154 80
Phase: 1
Type: ROUTE-LOOKUP
Subtype: input
Result: ALLOW
Config:
Additional Information:
in 0.0.0.0 0.0.0.0 WAN
Phase: 2
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group outbound_access in interface LAN
access-list outbound_access extended permit object-group obj_Meraki_outbound object-group obj_Meraki_lan object-group obj_Meraki_pub
object-group service obj_Meraki_outbound
service-object tcp destination eq https
service-object tcp destination eq www
service-object tcp destination eq 7734
service-object tcp destination eq 7752
service-object udp destination eq 7351
object-group network obj_Meraki_lan
network-object 10.2.11.0 255.255.255.240
network-object 10.5.11.0 255.255.255.240
object-group network obj_Meraki_pub
description: This group lists all hosts associated with Meraki.
network-object host 64.156.192.154
network-object host 64.62.142.12
network-object host 64.62.142.2
network-object host 74.50.51.16
network-object host 74.50.56.218
Additional Information:
access-list outbound_access line 1 extended permit tcp 10.2.11.0 255.255.255.240 host 64.156.192.154 eq www (hitcnt=1) 0x4d812691
Also have used such configuration in some special cases where the customer has insisted on allow specific TCP/UDP ports between multiple networks. And nothing is stopping from adding ICMP into the "object-group service" also.
- Jouni

NLS_LANG setting for a client with multiple Oracle servers

Hello!
We have a web application which has to connect to one of the Oracle servers with different charactersets. When the NLS_LANG on the client is a single byte encoding and the server has a single byte encoding there are no problems. We have now a server with NLS_CHARACTERSET UTF8 and all special (hungarian accented) character are replaced.
When we set the client to UTF8 the rest of servers does not work.
What is the solution for one client and multiple servers with different encoding?
Is there a special key in connection string?
I tried to change the nls_lang with an alter session statement but without success.
Regards,
emeriqus

NLS_LANG is not depending on the database side, it's a CLIENT setting to "let Oracle know what encoding is used on the CLIENT" so that Oracle can do the conversion from the client encoding to the database (NLS_CHARACTERSET) encoding.
for ONE application/client the is only ONE correct NLS_LANG value, regardless of the database NLS_CHARACTERSET
If you web application is really an UTF8 application (check with your vendor) then you can perfectly use a UTF8 client setting and a 8 bit database
Of course, you will be limited to the database side in this case seen the 8 bit characterset does not know all the characters in UTF8
The fact that setting the NLS_LANG to UTF8 "does not work" with your web application is simply the fact your application is not a UTF8 env.
Setting nls_lang to UTF8 will not "magically" make your application UTF8, NLS_LANG is depending on the encoding used in the web server.
But the first thing to ask yourself is if CURRENT data is correctly in the Oracle database.
use SQLdeveloper to check the data, this is a "know good client" that needs no NLS configuration.
You can download it from http://www.oracle.com/technology/products/database/sql_developer/
If the data is displayed correctly in SQLdeveloper then you are sure it's correct in the database.
If data is WRONG in the database then that needs to be corrected first, "trying" different client side configurations will only make matter worse (even if they make the data "look good" )
Regards,
Gunther
Client side notes on mentalink:
Note:158577.1> NLS_LANG Explained (How does Client-Server Character Conversion Work?)
1.2 What is this NLS_LANG thing anyway?
3.2 A detailed example of a wrong nls setup to understand what's going on.
4.2 How can I Check the Client's NLS_LANG Setting?
5.1 My windows sqlplus is not showing all my extended characters.
Note:179133.1> The correct NLS_LANG in a Windows Environment
Note:264157.1> The correct NLS_LANG setting in Unix Environments
Note:229786.1> NLS_LANG and webservers explained.
Note 115001.1> NLS_LANG Client Settings and JDBC Drivers
When using Unicode start here:
Note:788156.1> AL32UTF8 / UTF8 (Unicode) Database Character Set Implications
Setting NLs parameters: <Note:241047.1> The Priority of NLS Parameters Explained.

Local director with multiple virtual servers

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