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1911741 - Cannot connect to server using message server ms:// P4 error in PI ESR

Symptom

  • You are unable to logon to the Process Integration (PI) Enterprise Services Repository (ESR) or Integration Builder Directory.
  • This may be an intermittent issue, sometimes you can access the Integration Builder tools and other times not.
  • The error is:

    Cannot connect to server using message server:
    ms://<server>:<port>/P4 (SERVER_MS_NOT_AVAILABLE)

    Problem When Logging On1.jpg

  • In parallel with this, the Message Server may have crashed. Check the dev_ms file for entries like:
    Thr 01] ***LOG Q0I=> NiIAccept: accept (233: No buffer space available)
    nixxi.cpp 3524]
    Thr 01] *** ERROR => NiIAccept: SiAccept failed for hdl 34/sock 13
       (SI_EMEMORY/233; I4; ST) [nixxi.cpp    3524]
    Thr 01] *** ERROR => MsSConnect: NiAccept (rc=NIEINTERN) [msxxserv_mt.
    2460]
    Thr 01] NiWakeupExec2: send wakeup signal to 62648->64993 (len=24; sock
    )
    Thr 01] set HTTP state to CLOSED
    Thr 01] MsHttpPortBind: bind port 8100 for protocol HTTP
    Thr 01] MsHttpPortBind: bind to all adapters prmhpu78
    Thr 01] NiICreateHandle: hdl 57 state NI_INITIAL_LIS
    Thr 01] NiIInitSocket: set default settings for new hdl 57/sock 17 (I4;
    T)
    Thr 01] NiIInitSocket: set default settings for new hdl 57/sock 18 (UD;
    T)
    Thr 01] ***LOG Q0I=> NiIBindSocket: bind (226: Address already in use)
    nixxi.cpp 3738]
    Thr 01] *** ERROR => NiIBindSocket: SiBind failed for hdl 57/sock 17
       (SI_EPORT_INUSE/226; I4; ST; 0.0.0.0:8100) [nixxi.cpp    3738]

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Environment

  • PI Release Independent
  • SAP NetWeaver
  • SAP Process Integration
  • SAP Kernel 7.20 and higher

Product

SAP NetWeaver all versions ; SAP Process Integration all versions

Keywords

Process Integration 7.0, PI 7.0, PI 7.01, PI 7.02, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.4, PI 7.4, PO 7.4, Process Orchestration 7.5, PI 7.5, PO 7.5, NetWeaver, XI, AEX , KBA , BC-XI-IBC , Integration Builder - Configuration , BC-XI-IBD , Integration Builder - Design , BC-XI-IBF , Integration Builder - Framework , Problem

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