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Using File or FTP Adapter Throws Exception: ORABPEL 11096: Could not create socket pairs: Too many open files (Doc ID 827094.1)

Last updated on SEPTEMBER 12, 2019

Applies to:

Oracle(R) BPEL Process Manager 10g - Version to [Release AS10gR2 to AS10gR3]
Oracle Enterprise Service Bus - Version to [Release AS10gR3]
IBM: Linux on POWER Big Endian Systems
Linux x86-64
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Advanced Server x86-64 (AMD Opteron Architecture)
***Checked for relevance on 12-Sep-2011***


You are using File or FTP adapter in your BPEL process or in ESB service and you are encountering the following error:

 file:<WSDL File name with Full path>.wsdl [ Operation (Empty,opaque) ] - Could not invoke operation 'SynchRead' against the 'FTP
    Adapter' due to:
    The IO operation failed.
    The "COPY[NOOP][S->R,T->R]" IO operation for
    xt_100_605.txt_200905012140" failed. [Caused by: Could not create socket pairs: Too many open files]
    Check the error stack and fix the cause of the error. Contact oracle support if error is not
      at oracle.tip.adapter.ftp.outbound.FTPIoOperation.ioOnly(
      at oracle.tip.adapter.ftp.outbound.FTPIoOperation$2.perform(
      at oracle.tip.adapter.ftp.outbound.FTPInteraction.executeFTPIo(
      at oracle.tip.adapter.ftp.outbound.FTPInteraction.execute(




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