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author's profile photo Former Member
Former Member

problem with SAP Portal 6.40... huge amount of connections CLOSE_WAIT

Hello,

We're having a very weird problem in our SAP Portal 6.40.

It ocurrs that we have a central instance and 4 app. server.

Sometimes some app. server get hanged and don't provide service. We appreciate a huge amount of connections of frozen app. server with web dispatcher. We restart this app server and service gets working again.

We want to discover the cause of this problem.

Any clue for this?

In defaultrace there is no errors!!

Any help?

thanks.

regards,

FILIPE VASCONCELOS

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2 Answers

  • author's profile photo Former Member
    Former Member
    Posted on Sep 03, 2010 at 12:01 PM

    Check the syslogs/event logs of the involved servers. Check the dev_serverX / std_serverX files in the work directory.

    What exactly does hanged mean? Are you still able to connect to the server, can you still logon on operating system level? Is there any process activity during the hang, or is the box totally idle? What platform are you on?

    Cheers

    Michael

    Edit: Can you post a couple of lines from a netstat -an containing the CLOSE_WAIT? Do you only see them, when a hang happens?

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  • author's profile photo Former Member
    Former Member
    Posted on Oct 27, 2010 at 10:42 AM

    patch released from SAP. Now it's working well

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