2595880 - PI File adapter with SQUID proxy | SAP Knowledge Base Article

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2595880 - PI File adapter with SQUID proxy


  • You are using the Process Integration (PI) or Process Orchestration (PO) File Adapter in FTP mode
  • You have a requirement to use a Squid HTTP Proxy to get to the ftp server
  • You would like to know if this is possible with the SAP File Adapter
  • If you have configured a HTTP Proxy like Squid, the error below may occur: 
    Message processing failed. Cause: com.sap.engine.interfaces.messaging.api.exception.MessagingException: Error when getting an FTP connection from connection pool: com.sap.aii.af.lib.util.concurrent.ResourcePoolException: Unable to create new pooled resource: FTPEx: Unexpected reply codeControl connection prematurely closed by server



  • PI Release Independent
  • SAP NetWeaver
  • SAP Process Integration


SAP NetWeaver 7.4 ; SAP NetWeaver all versions ; SAP Process Integration all versions


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 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, XI, AEX, FTP, Sender, Receiver, ftp.proxy, ftpproxy , KBA , BC-XI-CON-FIL , File Adapter , Problem

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