Discoverer Viewer Connection Problem

Hi
I have installed 9ias 1022 on 8.1.6 successfully.
But when I go to connect with some of my existing users in my
databases, I receive the message :
unable to connect to: user@connectString
failed to conect to database - ORA-12154: TNS:could not resolve
service name.
As I already have created services.
I am able to connect to sqlplus from ias & database.
I will appreciate any help.
Regards
Gopi

Take a look at the tnsnames.ora file in IAS_HOME which is
ORACLE_HOME/6iserver/network/admin. You will have two
tnsname.ora files one under ORACLE_HOME and one for the IAS. Its
possible that the sqlnet is not configured on the IAS_HOME.

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Cannot delet or modify a discoverer viewer connection

I created a connection with Discoverer Admin 9.0.2, then uninstalled, and installed 9.0.4. Now, in Discoverer Plus the old connection is there, but grayed out and undeleteable. What can I do to delete this obsolete connection?

Hi Graeme
I dont use the Atheros Client Utility and I dont know exactly how it works but a similar issue happened on my notebook with different WLan connection tools.
I think all the options in the Atheros utility are grayed out because the WLan connection configuration will be done by Windows OS.
Therefore you should firstly check if the option Use Windows to configure my wireless network settings in the Wireless network connection properties was disabled. If not do it!

Discoverer Viewer - printing problems..

I have created a report where I want to "hide" the content of some columns. Some of the columns in the report are formated so that they have the font-color as the backgroud-color of the column - and therefore the content of the column does not show.
When printing from Plus or Desktop the report looks fine - it does not show any numbers/text in the columns that have same font-color as the background color.
The report looks fine in Viewer (on screen - even when shown in printer-friendly version), but when printing it - the formating seems to disapear... and the content of the columns are show on paper..
Does anybody know how to keep the color-fomating when printing form Viewer?

Hi
As luck would have it I posted something on hiding columns tonight in another thread. It might help here too, so here goes:
There are two ways that I know of, and there could be more, to hide a particular column in Viewer.
The simplest is to move the column to the far right of the report and then tell Viewer to only display n-1 columns, where n = the number of columns in the report. To do this, follow this workflow:
1. Click the Layout link
2. Use the Move option to move the column(s) you don't want to display to the right of the last item that you do want to display
3. Count the number of columns that you want to display
4. Click the Rows and Columns link
5. In Columns type in the number of columns that you want to display
6. Click the Go button
This second method works for tables and crosstabs that don't use Page Items. Use this workflow:
1. Click the Layout link
2. Click the More link
3. For the column(s) you want to hide, click the Up arrow alongside each one and move it to Page Items
4. Uncheck the box called Show Page Items
5. Click the Go button
I hope this helps
Regards
Michael

How to change password in Discoverer Viewer web edition

hi,
Can anyone please advise how to change Discoverer viewer password. I found in Metalink that latest editions are capable of changing passwords, but found no document on how to implement and use it.
Pls. help
-SBan

Hi Sban,
Will this work for you?
To change the password for a connection:
1. Display the Discoverer Viewer connections page (for more information, see "How to display the Discoverer Viewer connections page" - http://docs.huihoo.com/oracle/docs/B14099_19/bi.1012/b13987/vstart.htm#CHDHCCED) .
2. Select the Update icon next to the connection for which you want to change the password.
3. Click Change Database Password.
4. In the Password field, enter the current database password for the current username.
5. In the New Password field, enter a new database password for the current username.
6. In the Verify Password field, re-enter the new database password for the current username.
7. Click Finish.
The Connect to OracleBI Discoverer page is displayed. You can now use the connection to start Discoverer Viewer.
Good Luck,
Daan Bakboord

Discoverer Viewer 4i Connection problem

We're using Discoverer 4i (4.1.48.08.00) ( with Ebiz 11.5.10 CU1 )
The issue is that we're not able to access the discoverer viewer pages
The URL:
http://<machine>.<domain>/discoverer4i/viewer?
just hangs
Discoverer Plus is working fine. It can be accesssed.
Which made me believe that maybe there is a problem with the Jserv. Bounced the apache.
Still no luck..
Any suggestions on what can be possibly checked?
I don't see much useful in apache error_log ..
( Please don't suggest upgrading to disco 10g :-) )

Hi
You seem to be missing the port from the URL.
Try something like this: http://<machine>.<domain>:7778/discoverer4i/viewer
Best wishes
Michael

Discoverer Viewer Locale language - problems with data retrieved

Hi all, I have a very strange problem.
I'm using Discoverer Viewer 10g and when I connect to the same eul/database using Locale: Locale retrieving from browser, I see all my data different from "0" into my report; if I choose Greek as Greek's language I see ONLY "0" as data.
All the queries for the reports are always the same, but something has problems with the language chosen.
This doesn't happen, for example if I choose another language (Italian or French for example), but ONLY with Greek !!!!
Anyone have had a similar problem in the past ?
Thanks in advance
Alessandro

It appears as though there is a general JDBC problem. Please make sure your JDBC client is up to date with the Server. We have seen data conversion problems when there was a mismatch.

Discoverer Viewer Graph Size problem

Hi all,
We are facing a problem with the graph size in discoverer viewer. The size which is seen in Plus is different in viewer (which is very very small) and is not presentable. Is there any special setting required in Application Server or any parameters that are required to be setup?
Thanks...
Regards
Ozy
Edited by: Ozy on Oct 1, 2009 3:40 AM

Hi Ozy, I haven't tried this fix but try looking in the pref.txt file which is in the in the Oracle home for your middle tier. You may find it at this location:
$ORACLE_HOME\Discoverer\util,
According to Michael Armstrong-Smith of ascbi.com:
+"There is a known Java bug (or unwanted feature depending on how you look at it) that causes a worksheet's results to display in a different font in Plus and Viewer and the chart size may have a similar fix...+
+After you save the pref.txt you will need to apply your preferences by executing applyprefences.sh (if running on Linux or Unix) or running applyprefences.bat (if running on Windows). The applyprefences file can be found in the same folder where pref.txt resides. A sort of one stop shopping...+
+Having changed and applied your preferences you need to stop and restart the Discoverer middle tier. "+
The full explanation of this possible fix can be found on Michael's blog here: learndiscoverer.blogspot.com

Problems with Discoverer Viewer and the printable page

Hi,
I have a problem in Discoverer Viewer. I run a workbook, see the results and I click on "Printable Page". I set the page setup options to "Portait" and "100% scale". I preview the workbook in a PDF file and it's ok, I see the results in "Portait" and "100%".
I close the PDF file and I click again on the "Printable Page". This time, I set the workbook to "Landscape" and "20% scale". I preview the workbook in a PDF file and it's NOT ok, the results are still in "Portait" and "100%". And the date/time in the workbook is the time when I run the workbook the first time. So, it's seems like a browser cache problem. The problem repeats until I clear the brower cache. At that moment, the workbook will take the page setup that I set at this time. However, it will be the same workbook with the same results until I clear the cache once again.
If I save the PDF file on my Windows Desktop and I overwrite it each time, it's ok.
Can somebody help me on this??
Thank you!
Mathieu

Hi Michael,
I'm clearing the browser cache by going in Tools -> Internet Options. In the "General" tab, I click on the "Delete files..." in the "Temporary Internet Files" section" (middle of the window).
But I don't indicate that Discoverer is saving my printable page changes. I say that the first time I run a workbook, Discoverer saves it (the results) in the "Temporary Internet Files" folder in a PDF file. Each time I run the same workbook after that, Discoverer don't overwrite the file in the "Temporary Internet Files" folder. He takes the PDF file that is already there and show it to me. So, the results are the same even if the data has changed. It does this until I clear the browser cache (it deletes the PDF file in the "Temporary Internet Files" folder).
Do you understand?
Regards,
Mathieu

Error of access denied opening a workbook in discoverer viewer 10.1.2

When I open a workbook in discoverere viewer in the html page shows this message:
OracleBI Discoverer Viewer no ha encontrado los datos necesarios para mostrar los resultados de este evento. Corrija los errores y vuelva a intentarlo.
- access denied (java.lang.RuntimePermission oracle.discoverer.connections)
However data seems correct, but I don't know how to delete this message.
Thanks,
Carlos

Hi Carlos,
Metalink has some information regarding what sounds like a solution to your problem under Doc Id : 265228.1. Have a read and let us know if this is for you and whether you get it working in a development environment.
Symptoms
Discoverer 10g (9.0.4) Plus and Viewer throws 'page cannot be displayed'
Other symptoms
A.) Discoverer Plus shows a file download dialog with virus warning "Some files can harm your computer. If the file information below looks suspicious, or you do not fully trust the source,do not open or save the file."
Opening or cancelling will again throw "page cannot be displayed"
B.) Plus throws a blank page and Viewer throws 500 internal server error
Cause
Installation failure on configuring discoverer in OC4J_BI_Forms may caused the problem.
Using pre-production / beta code (M16b shiphome) will cause the problem.
Fix
1.) Edit the file $ORACLE_HOME(midtier)/j2ee/OC4J_BI_Forms/config/java2.policy
2.) Add the below lines at the end of the file
================================
grant codebase "file:${oracle.home}/discoverer/lib/discoverer5.jar" {
permission java.lang.RuntimePermission "oracle.discoverer.connections";
grant codebase "file:${oracle.home}/j2ee/home/-" {
permission java.lang.RuntimePermission "oracle.discoverer.connections";
grant codebase "file:${oracle.home}/portal/jlib/pdkjava.jar" {
permission java.lang.RuntimePermission "oracle.discoverer.connections";
grant codebase "file:${oracle.home}/portal/jlib/ptlshare.jar" {
permission java.lang.RuntimePermission "oracle.discoverer.connections";
===========================
3.) Restart OPMN.
4.) Invoke Discoverer Plus or Viewer.
Let us know how you get on.
Lance

BEST PRACTICES FOR CREATING DISCOVERER DATABASE CONNECTION -PUBLIC VS. PRIV

I have enabled SSO for Discoverer. So when you browse to http://host:port/discoverer/viewer you get prompted for your SSO
username/password. I have enabled users to create their own private
connections. I log in as portal and created a private connection. I then from
Oracle Portal create a portlet and add a discoverer worksheet using the private
connection that I created as the portal user. This works fine...users access
the portal they can see the worksheet. When they click the analyze link, the
users are prompted to enter a password for the private connection. The
following message is displayed:
The item you are requesting requires you to enter a password. This could occur because this is a private connection or
because the public connection password was invalid. Please enter the correct
password now to continue.
I originally created a public connection...and then follow the same steps from Oracle portal to create the portlet and display the
worksheet. Worksheet is displayed properly from Portal, when users click the
analyze link they are taken to Discoverer Viewer without having to enter a
password. The problem with this is that when a user browses to
http://host:port/discoverer/viewer they enter their SSO information and then
any user with an SSO account can see the public connection...very insecure!
When private connections are used, no connection information is displayed to
SSO users when logging into Discoverer Viewer.
For the very first step, when editing the Worksheet portlet from Portal, I enter the following for Database
Connections:
Publisher: I choose either the private or public connection that I created
Users Logged In: Display same data to all users using connection (Publisher's Connection)
Users Not Logged In: Do no display data
My question is what are the best practices for creating Discoverer Database
Connections.
Is there a way to create a public connection, but not display it in at http://host:port/discoverer/viewer?
Can I restrict access to http://host:port/discoverer/viewer to specific SSO users?
So overall, I want roughly 40 users to have access to my Portal Page Group. I then want to
display portlets with Discoverer worksheets. Certain worksheets I want to have
the ability to display the analyze link. When the SSO user clicks on this they
will be taken to Discoverer Viewer and prompted for no logon information. All
SSO users will see the same data...there is no need to restrict access based on
SSO username...1 database user will be set up in either the public or private
connection.

You can make it happen by creating a private connection for 40 users by capi script and when creating portlet select 2nd option in Users Logged in section. In this the portlet uses there own private connection every time user logs in.
So that it won't ask for password.
Another thing is there is an option of entering password or not in ASC in discoverer section, if your version 10.1.2.2. Let me know if you need more information
thnaks
kiran

HTTP 500 - Internal Server Error from Discoverer Viewer to Portal

HI,
I created a tab with a list of workbooks created with Discoverer Viewer and published with Discoverer Portliest Provider (List of Database Workbooks). Another tab contains four Discoverer Worksheets created with the same account. Everything works well but if i click on a report in list and open Discoverer Viewer, when i return to portal and go to tab containing worksheets i see message "HTTP 500 - Internal Server Error" and i'm not able to do anything. I only can close my browser and i must reconnect to portal!
Can you help me?
My portal version is cg (9.0.4), i'm using Windows 2000 ESP and Internet Explorer 6.
I tried with Olin and Mazola but result did not change.
I used a public connection bud i tried a private connection too. Nothing happened.

The application.log file, under the OC4J which running your Discoverer provider, should give you some hints about the problem you're facing.
Peter

Discoverer Viewer Report in Web

Hi,
I had created the report usingOracleBI Discoverer Plus Version 10.1.2.45.46c & able to visualize the report in OracleBI Discoverer Viewer Version 10.1.2.45.46c.
URL fo accessing the report is as:
http://machinename1:7777/discoverer/viewer
If i try to connect to from another machine (machine2) as
http://machinename1:7777/discoverer/viewer
i'm unable to connect & i get the error page can not be displayed.
Is it necessary to have the URL only with domain name as
http://machinename.domainname:portno/discoverer/viewer
I had already installed OWB, Oracle BI etc. If i had to create a domain then i have install all these & need to work from scratch.
Is there any way to access the report across the internet or web.
Plz do provide a solution for this issue.
Thx in Advance

As long as you can access the middle-tier server where Discoverer Viewer is running, you should be able to run and view Discoverer worksheets.
While it is difficult to even start guessing what the problem might be, if the machine you installed Discoverer on has DHCP addressing, you will run into problems.
Thanks
Abhinav
Oracle Business Intelligence Product Management
BI on Oracle: http://www.oracle.com/bi/
BI on OTN : http://www.oracle.com/technology/products/bi/
Discoverer : http://www.oracle.com/technology/products/discoverer/
BI Software : http://www.oracle.com/technology/software/products/ias/devuse.html
Documentation: http://www.oracle.com/technology/documentation/appserver1012.html
BI Samples : http://www.oracle.com/technology/products/bi/samples/
Blog : http://oraclebi.blogspot.com/

Invalid state error when using concurrent sessions in Discoverer Viewer

We are oracle 10g DB for Oracle BI Discoverer Viewer application.
We have a problem when a user logs in with the same ID on two different sessions under one machine(1 mac address).
The error message is as per below.
====================================
"The Application encountered an invalid state.
No state was found matching the state identifier provided. This can happen if your session timed out. Please start the operation again.
Indez: 10, Size:0"
====================================
The index and size varies at different times.
We suspect that the problem's caused by a confusion between the StateIDs of the two sessions. This can be replicated by modifying the querying URL; by manually changing the value of the StataID parameter.
It will be good if somebody can help us on this...
Regards
Albin Abraham

Are you using the same browser for the two sessions? I have seen instances where the user opens, say, IE, connects to Disco, and runs a worksheet. They then open another IE window, start another session, and run a different worksheet. What I believe was happening (and I'm not sure because we told the users to stop doing this) was the second browser may have tried to "reuse" the java session started by the first browser. When you went back to the first browser, it no longer had a valid session because the second browser had taken it.
To have to independent sessions, I'll start one in IE, and another in Firefox, or Netscape. This keeps the sessions from getting mixed up.
Then again, I could be wrong...

Cannot start Discoverer Viewer and Discoverer Plus on client.

I have installed Discoverer 9.0.2.39.0 on MS Windows 2000 server.
When I'm trying to start Discoverer Plus an error is occured:
DiscoServerException ??? ??????? ????????? ???????? ????????? ??????. ???????? ?? ?????????. - Nested exception: exception oracle.discoverer.corba.DCCORBAException {
oracle.discoverer.corba.EDCIConstant mErrorCode=kNoMessage,
java.lang.String mReason="??? ??????? ????????? ???????? ????????? ??????. ???????? ?? ?????????.",
java.lang.String mAdditionalInfo=" ",
oracle.discoverer.corba.DCIRow[] mEncodedInfo={}
exception oracle.discoverer.corba.DCCORBAException {
oracle.discoverer.corba.EDCIConstant mErrorCode=kNoMessage,
java.lang.String mReason="??? ??????? ????????? ???????? ????????? ??????. ???????? ?? ?????????.",
java.lang.String mAdditionalInfo=" ",
oracle.discoverer.corba.DCIRow[] mEncodedInfo={}
     at oracle.disco.remote.corba.RMIToCorba.convertDiscovererServerException(RMIToCorba.java:165)
     at oracle.disco.model.corbaserver.ModelInterface.SendReceiveData(ModelInterface.java:194)
     at oracle.disco.model.corbaserver.serverrequest.DsrSetLocaleInfo.xmlUpdateServer(DsrSetLocaleInfo.java:84)
     at oracle.disco.model.corbaserver.serverrequest.DsrCorbaXML.corbaUpdateServer(DsrCorbaXML.java:39)
     at oracle.disco.model.corbaserver.serverrequest.DsrGeneralCorbaXML.updateServer(DsrGeneralCorbaXML.java:162)
     at oracle.disco.model.corbaserver.execengine.ExecuteEngineImpl._nonReentrantExecute(ExecuteEngineImpl.java:200)
     at oracle.disco.model.corbaserver.execengine.ExecuteEngineImpl.execute(ExecuteEngineImpl.java:124)
     at oracle.disco.model.corbaserver.execengine.SessionControllerImpl.execute(SessionControllerImpl.java:686)
     at oracle.disco.model.corbaserver.execengine.SessionControllerImpl.execute(SessionControllerImpl.java:450)
     at oracle.disco.model.corbaserver.SessionImpl.setLocaleInfo(SessionImpl.java:417)
     at oracle.discoiv.session.model.ModelSession.setSessionLocale(ModelSession.java:199)
     at oracle.discoiv.session.model.ModelSession.(ModelSession.java:102)
     at oracle.discoiv.session.model.ModelSessionManager.createSession(ModelSessionManager.java:54)
     at oracle.discoiv.state.ConnectTransition.doTransition(ConnectTransition.java:33)
     at oracle.discoiv.state.StateTransition.execute(StateTransition.java:37)
     at oracle.discoiv.state.StateTransition.execute(StateTransition.java:46)
     at oracle.discoiv.state.DiscoState.getState(DiscoState.java:155)
     at oracle.discoiv.state.ConnectedState.getState(ConnectedState.java:90)
     at oracle.discoiv.state.DiscoState.getState(DiscoState.java:52)
     at oracle.discoiv.state.StateMachine.setState(StateMachine.java:75)
     at oracle.discoiv.controller.DiscovererController.setState(DiscovererController.java:236)
     at oracle.discoiv.servlet.DiscovererHttpHandler.processRequest(DiscovererHttpHandler.java:101)
     at oracle.discoiv.servlet.DiscoServlet.doRequest(DiscoServlet.java:314)
     at oracle.discoiv.servlet.DiscoServlet.doGet(DiscoServlet.java:148)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:244)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:336)
     at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:59)
     at oracle.security.jazn.oc4j.JAZNFilter.doFilter(JAZNFilter.java:283)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:523)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:269)
     at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:219)
     at oracle.plus.servlet.Disco4iProxyServlet.doRequest(Disco4iProxyServlet.java:141)
     at oracle.plus.servlet.Disco4iProxyServlet.doGet(Disco4iProxyServlet.java:68)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:244)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:336)
     at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:59)
     at oracle.security.jazn.oc4j.JAZNFilter.doFilter(JAZNFilter.java:283)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:523)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:269)
     at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:735)
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try to start from many clients. It was error too.

Hi,
Were you able to find the solution to this problem? I have installed 9ias successfully. I could log to OEM and created a public connection but I cannot go to
http://hostname.domain:7779/discoverer/viewer
I get an error "Internal Server Error".
Any help is welcome
Vani

Discoverer Viewer and UTF8

Dear friends
I have problem with Discoverer Viewer - version 9.0.2.39.02 and UTF8.My infra has a UTF8 and my App server is too, but when i run a query on Discoverer Viewer (web) i see the header of table with WE8MSWIN1252 then it's not readable!!! How can i change this nls_lang to UTF8 or how can i solve this problem.
thanks alot.

Hi,
Were you able to find the solution to this problem? I have installed 9ias successfully. I could log to OEM and created a public connection but I cannot go to
http://hostname.domain:7779/discoverer/viewer
I get an error "Internal Server Error".
Any help is welcome
Vani

Discoverer Viewer Connection Problem

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