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OBIEE hang

marcobalduini

Hi gurus,

we have recently migrated to OBIEE 12.2.1.2.0 version,

production installation has been done on a clustered environment;

OBIEE access is managed by a load balancer

shared resources (catalogue, rpd, etc.) are stored in a shared folder.

Users acceses trough company active directory.

We have the following issue: apparently in a random way the system freeze for at least one minute.

Some cases

- trying logging-in; the home page display the page stating "Signin in..."

- if you're already inside the system perform every action (for example going from the Home Page to the Catalogue Page)

- connecting to the on line repository with Admin Tool

- connecting to EM

after the freeze everything works fine. The system is smooth and responsive.

On server side nothing looks wrong, no logs give us a clue about the issue.

We have also tried to move shared files to one server simulating no-clustered environment but the issue is still there.

No stuck thread. No lack of heap memory.

Is there any action we can perform to identify the issue? Could you please provide some help?

Thanks in advance

Marco

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[Deleted User]

Are you sure it's not just a browser issue? Are you using IE by any chance?

marcobalduini

Hi Christian,

thanks for your unswer,

we are doing our tests with all most common browsers (IE, Chrome, Firefox)

disabling browser cache

and also setting up Firefox cache as suggested in Oracle documentation.

Unfortunately I dont't think it's a browser issue.

[Deleted User]

Ok. What are you using in terms of security? LDAP or MSAD tied in? Are maybe your authentication queries running slow or can't connect to the security providers?

marcobalduini

We use MSAD, not shure about connection issue; how can I check?

Looking at various logs I didn't find any error and also doing a server thread dump didn't gave us evidence of slow queries.

Is there any specific place where we can look in?

I have to add that we use MSAD users and "local" users (created directly in console) and the issue happens for both users.

Thanks again for your help,

Marco

Rajesh Dhanapal

Hi Marco,

Try to create a new user directly in the weblogic console and you can test it.

Does the weblogic user have the same problem?

Best regards,

Rajesh Dhanapal.

[Deleted User]

Pump up the security logging as stated here:

As for "it happens for both users"... if MSAD is the first security provider in the sequence and hangs due to a slow query then the login will be slow nevertheless because security providers are parsed sequentially.