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2911141 - Mail Adapter error: unexpected user response; read -ERR Command is not valid in this state

Symptom

  • Using SAP PI/PO Mail adapter
  • Getting the below error intermittently but the channel is successful during the next polling interval
    "exception caught during processing mail message; java.io.IOException: unexpected user response; read -ERR Command is not valid in this state"


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Environment

  • SAP NetWeaver 7.5
  • SAP Process Integration

Product

SAP NetWeaver all versions ; SAP Process Integration all versions

Keywords

Process Integration, PI, Process Orchestration, PO, NetWeaver, XI, AEX, mail adapter, -ERR, IOException , KBA , BC-XI-CON-MAI , Mail Adapter , Problem

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