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Former Member

BO Explorer Master Server is stopping abruptly (in the cycle of 15 MINS)

Hello,

We are currently on BO Explorer version "SAP BusinessObjects Explorer 4.1 SP4 Patch 9".

I am observer from past few day BO Explorer Master Server is stopping abruptly (in the cycle of 15 MINS).

In the logs i am seeing the below error

"Stopping this Explorer Master server because Explorer Master servers cannot cluster together. It may be due to either IPv6 or 'master.cluster.name' Explorer application property variable not set or ports from 5701 to 57xx are blocked (where 'xx' is the number of Explorer Master servers and '5701' is the default value of 'master.cluster.multicast.port' property) or the network does not support multicast or new cluster running. (Number of running enabled Explorer Master servers in cluster: 2, Number of Hazelcast cluster members: 1) |B691684620F54AF8B715C313F0DA1F440| "

Incase any one has come across this issue can u please provide me what might be the problem and solution if possible.

Any help is appreciated.

Regards

Pramod

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2 Answers

  • Posted on Aug 12, 2016 at 04:10 PM

    You need to add below paramters to CMC -> Applications -> Explorer

    master.cluster.name=<Your cluster name>

    master.cluster.multicast.group=224.0.0.1

    master.cluster.multicast.port=54327

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  • author's profile photo Former Member
    Former Member
    Posted on Aug 12, 2016 at 06:58 PM

    Hi Pramod,

    You need to have multi-casting enabled in BO environment to function multiple Explorer Master servers.

    When using multiple master servers, you can ensure that the master servers can communicate between themselves by:

    • Verify that multicast is authorized in your net-work. (You need to check with your network team for this)

    • Check that your firewall is not blocking the ports from 5701 to 570x, where ‘x’ is the number of Explorer master servers.

    • Disable IPv6 on the system that hosts Explorer services. Only IP V5 is supported for explorer servers.

    • Set the 'master.cluster.name' Explorer application property variable in CMC.

    . Set the parameters as mentioned by Jawahar.

    Regards,

    Mithilesh

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    • Former Member Former Member

      Hi Pramod,

      Refer the KBA 1906591 and see if it helps.

      Also ensure that, Explorer storage is not stored on network share.

      Make a default location for explorer storage. Generally the location is <Install Dir>\SAP BusinessObjects\ SAP BusinessObjects 4.0/Data/Polestar

      If this is still failing, you need to traces Explorer Master server and raise this to SAP support.

      Regards,

      Mithilesh

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