Solution for tnsnames at client side

Hi,
My database is in oracle 10.2.0. I have configured 2 standby servers for my primary database. I want to know that are there any parameter in tnsnames.ora at the client side so that If switchover or failover occurs,the client or user should not be aware of the switch process i.e., without down time.
Because there will be different service names and host, how can this be addressed at the client tnsnames.ora.
Thanks in advance for your suggestions,
satyanag

Hi Satyanag,
It's possible to specify more than one address location. For example:
SCR9 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = bloo)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = fermat)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = scr9)
If the first address can't be contacted Oracle will try the second address.
Cheers,
Andy Barry
http://www.shutdownabort.com

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Hi,
Why don't you take a look at Office Web App server which provides browser-based file viewing and editing services for Office files:
https://technet.microsoft.com/en-us/library/jj219435.aspx
It can be integrated with your customized website, and provide the ability to online view/editing Office documents..
Hope it helps.
Aravindhan Battepati

All solutions for Getting a client Remote ip address.

Hello experts! I want to create a unified theme for the problem of obtaining ip address of the client computer. And for Remote ip address. Since a lot of questions and answers is less.
My problem:
I nees get the Internet Protocol (IP) address of the client or last proxy that sent the request.
First, the idea was to use Webutil. Function webutil_clientinfo.get_ip_address. But it is processed on the client and returns the address of the network card of the client. Right? Under this Re: webutil: get_ip_address It is not the remote address.
Next, the proposal to use 'sys_context('USERENV','IP_ADDRESS')'. It also does not give satisfactory results. Returns the address of the computer where you installed the database.
Next, use javaBean ClientInfo.http://forms.pjc.bean.over-blog.com/article-15985856.html - this. Again, not that. It works differently. Sometimes it returns 127.0.0.1. Sometimes it returns the address in local net (As webutil). And by the way the code for the address there looks like: "InetAddress.getLocalHost().GetHostAddress();" - Or I do not understand or he should not return the Remote address of last proxy.
Next, "servlet" with function "reqest.getRemoteAddr()". I found many examples of code for use java-servlet. For example it
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Or this
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I was able to program it in JPS+HTML and got what I wanted. But I have not figured out how to use the servlet in FORMS! :( And could not find a description of how to use it as well with Foms. Unfortunately I do not know very well java.
And the final proposed solution: is a "owa_util.get_cgi_env ('REMOTE_ADDR');"
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I'm confused :)
Help me and others to understand how to get the remote ip address please. :)
1) If I use javaBean, then whether I understood that "InetAddress.getLocalHost().GetHostAddress();" not return the Remote address of last proxy? Or maybe there are other features that I do not know?
Or
2) Is it possible to use a servlet with Forms? And if so, how?
Or
3) How do I add owa_util? I understand that it is not. Or am I not right?
Edited by: Ihavoker on 12.07.2010 8:33
Edited by: Ihavoker on 14.07.2010 15:33
Edited by: Ihavoker on 14.07.2010 15:37

webutil_clientinfo.get_ip_address will get you the ip of the client running the forms applet
Ihavoker wrote:
Next, the proposal to use 'sys_context('USERENV','IP_ADDRESS')'. It also does not give satisfactory results. Returns the address of the computer where you installed the database.I don't think so:
C:\>ipconfig
Windows-IP-Konfiguration
        Verbindungsspezifisches DNS-Suffix:
        IP-Adresse. . . . . . . . . . . . : 192.168.240.164
        Subnetzmaske. . . . . . . . . . . : 255.255.255.0
        Standardgateway . . . . . . . . . : 192.168.240.1
C:\>ping asterix1
Ping asterix1 [192.168.240.4] mit 32 Bytes Daten:
Antwort von 192.168.240.4: Bytes=32 Zeit<1ms TTL=128
Antwort von 192.168.240.4: Bytes=32 Zeit<1ms TTL=128
Ping-Statistik für 192.168.240.4:
    Pakete: Gesendet = 2, Empfangen = 2, Verloren = 0 (0% Verlust),
Ca. Zeitangaben in Millisek.:
    Minimum = 0ms, Maximum = 0ms, Mittelwert = 0ms
STRG-C
^C
C:\>sqlplus scott/tiger@tcp_asterix_impl
SQL*Plus: Release 10.2.0.2.0 - Production on Wed Jul 14 14:30:23 2010
Copyright (c) 1982, 2005, Oracle. All Rights Reserved.
Connected to:
Oracle9i Enterprise Edition Release 9.2.0.8.0 - Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.8.0 - Production
Session altered.
Session altered.
Session altered.
Session altered.
Session altered.
Session altered.
SCOTT@tcp_asterix_impl> select sys_context('USERENV','IP_ADDRESS') from dual;
SYS_CONTEXT('USERENV','IP_ADDRESS')
192.168.240.164As you can see I get the IP Adress of the client and in the case of forms 10g this should be the IP adress of the Forms Server.
Ihavoker wrote:
1) If I use javaBean, then whether I understood that "InetAddress.getLocalHost().GetHostAddress();" not return the Remote address of last proxy? Or maybe there are other features that I do not know?
2) Is it possible to use a servlet with Forms? And if so, how?So...client? Proxy? What is it? What do you want to achieve? Do you want to get the IP of the Proxy between the Forms Server and the Client running the Forms Applet? I'm not sure what you want to achieve...
cheers

Is Intune a feasible solution for Internet-Based Client Management?

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Gerry Hampson | Twitter:
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Link only with client side method for ImageArea

Hi,
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Regards,
sireesha.

Hi sireesha,
Check this.
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Hi ,
am new to struts.....
I want to validate a simple login page using struts validation framework...
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Thanks for your valuable reply.....
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Hi eb
I would appriciate your recomendations for debbuging SSRS client side functionality
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Similar thread below for your reference:
https://social.msdn.microsoft.com/Forums/sqlserver/en-us/df9dfaab-59af-4a85-916c-ef9e11e07071/debug-custom-net-assembly-in-context-of-sql-reporting-server-2008?forum=sqlreportingservices
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Client system: iPad 4 running iOS 8.1.1
Client language/locale: US English
Client app: MRD 8.1.5
Server system: 64-bit Windows 8.1 Pro
Server language/locale: US English
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When interacting with VMs through the VMware Player 6 console app on the remote Windows 8.1 host, the client-side iPad keyboard for MRD 8.1.5 is not properly mapped. Letter keys and the top-row number keys send function keys or non-standard key scan codes
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Steps to reproduce:
Connect to Windows 8.1 Pro system from the MRD 8.1.5 client for iOS 8.1.1
Using the client-side iPad keyboard within MRD 8.1.5, bring up the Run dialog by typing Windows-R
Launch Notepad by typing notepad.exe in the Run dialog and pressing Enter on the client-side iPad keyboard
Type some sample text in Notepad until you're confident that the client-side iPad keyboard is functioning properly
Launch VMware Player 6 and start up a VM (mine was Windows Server 2008)
Open the sign-on prompt in the VM by sending Ctrl-Alt-Ins from the client-side keyboard or by pressing the Ctrl-Alt-Del icon in VMware Player
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Switch to the server-side on-screen keyboard and delete the contents of the password field if it is not already empty
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Client system: iPad 4 running iOS 8.1.1
Client language/locale: US English
Client app: MRD 8.1.5
Server system: 64-bit Windows 8.1 Pro
Server language/locale: US English
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shift key). The only way to send the proper keystrokes to VMware Player from MRD 8.1.5 is to not use the client-side iPad keyboard and instead switch to the on-screen keyboard provided by the remote Windows server.
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Steps to reproduce:
Connect to Windows 8.1 Pro system from the MRD 8.1.5 client for iOS 8.1.1
Using the client-side iPad keyboard within MRD 8.1.5, bring up the Run dialog by typing Windows-R
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Open the sign-on prompt in the VM by sending Ctrl-Alt-Ins from the client-side keyboard or by pressing the Ctrl-Alt-Del icon in VMware Player
Touch or click in the password field in the VM to ensure it has keyboard focus
Using the client-side keyboard, try to type letters or numbers in the password field, and notice that dots generally do not appear for most keypresses
Switch to the server-side on-screen keyboard and delete the contents of the password field if it is not already empty
Use the server-side on-screen keyboard to sign on to the VM
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I'm experiencing exactly the same problem. Is there a solution yet?

Client-side caching of Javascript (for Google Web Toolkit *.cache.* files

Hi all,
I'm trying out the use of Google Web Toolkit (GWT) for AJAX code development, leveraging RPC calling back-end Web Services for a document browser prototype. When the JavaScript code is generated by GWT, it has the ability to automatically distinguish between cacheable and non-cacheable content via file extensions (.cache. and .nocache.).
Now when running in a Tomcat environment with appropriate caching settings; the application runs extremely fast even on really poor latency sites (>500ms round trip); however on a NetWeaver stack, I can't find any information on how to set an attribute on .cache. files to set an expiry of 1 year.
Anyone know how to do this on a NetWeaver J2EE stack?
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PS. For reference, GWT is a very cool open source project worth watching in the Enterprise space for targeted high-usability, high performance apps. Just the image bundles concept themselves are an awesome approach to minimizing impact of small images on performance.

Hi again,
I thought I should post the solution I came up with in case people search on GWT in the future. In terms of caching, the Portal does a good job of making nearly everything that GWT produces to be cached at the client; and for the life of me, I couldn't get nocache files not cached at the client side.
So thanks to my friendly local SAP experts in the portal space; I discovered there's not much you can do to get this working except try use standard browser tags like the following to prevent caching on the browser:
Note - Can't seem to save this post in SDN with Meta tags that I'm trying to display so check out http://www.willmaster.com/library/tutorials/preventing_content_cache.php for more info...
Unfortunately, the way that GWT creates the nocache files, it is not possible to modify the .js files to do this so I needed an alternative approach.
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Let me explain in more detail:
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2. The original nocache.js file gets changed to nocache.<date>.js
3. Now produce an external bat file to do this automatically for you before deployment which DevStudio can call as part of an Ant script or similar.
That's it. So when you are developing, you can manually delete your cache, but just before you go to production, you do this conversion, and you will never have an issue with clients having the wrong version of javascript files.
Note - GWT takes care of caching of most of the files by using a GUID equivalenet each time you compile, so it's just a couple of files that really need to not be cached.
Anyway, I'm not explaining this solution very well, but drop us a line if you need to understand this approach further.
And lastly, my feedback about GWT - It Rocks! Everyone loves the result, it's easy to build and maintain, it offers a great user experience, and it's fast. Not a replacement for transactional apps; but for the occasional user - go for it.
Matt
Edited by: Matt Harding on May 22, 2008 7:48 AM

Client Side Rich Internet Applications in Java. Do we have support for it ?

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Almost all of them are used on the server side. What about building applications on the client side ?
Is Sun thinking too much hardware these days ? Why is that most of the products come out of 3rd party vendors like apache for instance ?

There's your fundamental problem... We KNOW from bitter experience that rich client app are NOT scalable. The world simply doesn't work that way.
Architecture starts from the foundations and works up. Computer systems achitectures start from the server and work out... We're just not out there yet dude.
My crystal ball says that within 20 years computers will be sooooo freeken fast that "scalable" really won't be an issue any longer, except for worldwide realtime massive transaction rate systems (like VR role playing games)... so enterprise solutions will naturally migrate back towards the desktop.
In the meantime the kids are having fun on the desktop and us "boring backend people" collect $40 million dollars in twenty minutes with rock-solid server-side solutions. Horses for courses. Watch for pitch reports.

Custom Client-Side Video Codec for Standard Linux Flash Player

I'm new to Flash development, so please excuse my naivete. I'd like to have the standard Linux Adobe Flash player use an experimental client-side H.264 codec I am working on when playing FLV media (even if embedded within an SWF file) instead of the standard one bundled with the player. Is there any way to accomplish that?
Thanks,
Brian McGann

The problem, at least in my case, was QtCurve's opacity. If I have opacity set to less than 100%, flash would not display for sites like Youtube and Vimeo, but worked elsewhere.
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Could not create client side connection for PDBORCL

Dear all,
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# Generated by Oracle configuration tools.
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
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(ORACLE_HOME = C:\app\Administrator\product\12.1.0\dbhome_1)
(PROGRAM = extproc)
(ENVS = "EXTPROC_DLLS=ONLY:C:\app\Administrator\product\12.1.0\dbhome_1\bin\oraclr12.dll")
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
On my client side, i open NET CONFIGURATION ASSISTAN,
click on LOCAL NET SERVICE NAME CONFIGURATION,
select ADD and click next
on the service name type PDBORCL
select TCP and click next
on the hostname, put the name of the server which is HP426-ORATEST and click next
when i click on YES PERFORM TEST, it give the following error
Connecting...ORA-12170: TNS:Connect timeout occurred
The test did not succeed.
Some of the information you provided may be incorrect.
Click Back to review the information provided for net service name, or Change Login to change username.
we could ping the HP426-ORATEST using cmd on my client.
kindly guide us.
Thank you.

LSNRCTL SERVICES
C:\Users\Administrator>LSNRCTL SERVICES
LSNRCTL for 64-bit Windows: Version 12.1.0.1.0 - Production on 23-APR-2014 23:23
:39
Copyright (c) 1991, 2013, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=10.153.103.202)(PORT=152
1)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
Service "orcl.hct.org" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
Service "orclXDB.hct.org" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Handler(s):
"D000" established:0 refused:0 current:0 max:1022 state:ready
DISPATCHER <machine: HP426-ORATEST, pid: 3088>
(ADDRESS=(PROTOCOL=tcp)(HOST=HP426-ORATEST.hct.org)(PORT=59070))
Service "pdborcl.hct.org" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0 state:ready
LOCAL SERVER
The command completed successfully
LSNRCTL STATUS
C:\Users\Administrator>LSNRCTL STATUS
LSNRCTL for 64-bit Windows: Version 12.1.0.1.0 - Production on 23-APR-2014 23:24
:38
Copyright (c) 1991, 2013, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=10.153.103.202)(PORT=152
1)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 64-bit Windows: Version 12.1.0.1.0 - Produ
ction
Start Date 23-APR-2014 03:44:26
Uptime 0 days 19 hr. 40 min. 16 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File C:\app\Administrator\product\12.1.0\dbhome_1\network\a
dmin\listener.ora
Listener Log File C:\app\Administrator\diag\tnslsnr\HP426-ORATEST\listen
er\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=HP426-ORATEST.hct.org)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcps)(HOST=HP426-ORATEST.hct.org)(PORT=5500))(
Security=(my_wallet_directory=C:\APP\ADMINISTRATOR\admin\orcl\xdb_wallet))(Prese
ntation=HTTP)(Session=RAW))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "orcl.hct.org" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orclXDB.hct.org" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "pdborcl.hct.org" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
The command completed successfully

ADF validator or JavaScript for client side validation ?

using JDev and ADF 11g
Problem description : To apply validations such as date range check, pattern matching, maxlength etc.. on ADF Faces Components.
Solution 1: Use ADF validator such as Reg Expr validator, Max Length validator
Souliton 2: Write Javascript code for validating the component's value at cleint side.
When using ADF Validator for such type of validation checking, a request is send to the server for processing (additional overhead) . However we can do such validations with javaScript functions without the need to interact with the server. So, what benefit does ADF Validator serves when one needs to implement such validations ?
Please share your views...

H,
afaik, client side validation in ADF Faces suppresses server round trips if a validation error is detected on the client. Only if no problem is found, the server side validation is challenged upon submit (so no extra round trip for validation). Shay is absolutely correct. JavaScript is a convenience but never a solution.
Here's how to create a custom validator with a client and server side implementation : http://download.oracle.com/docs/cd/E15523_01/web.1111/b31973/af_validate.htm#BABEIIDD
Frank

Solution for tnsnames at client side

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