3250345 - Connection errors including "Net-Library operation terminated due to disconnect" - SAP ASE

• Application reports disconnect error(s) for connection to ASE database
• Application log contains entries like
  • Below an example from a SAP Data Services log, but errors can be seen for any type of application (including non SAP ones)
    
    Sybase connection error: <Sybase CS Library message number <84083974> Severity <5>:
    Message Text is: ct_cancel(): network packet layer: internal net library error: Net-Library operation terminated due to disconnect
    Sybase CS Library message number<16843058> Severity <1>:   Message Text is: ct_cmd_drop(): user api layer: external error: The connection has been marked dead.
    
    Cannot perform <Begin Transaction> operation from the repository. Additional database information: <Sybase connection error: ... (as previous message)
    
    SQL submitted to Sybase SQL Server <BOD> resulted in error <Sybase CS Library message number <84083975> Severity <5>:
    Message Text is: ct_send(): network packet layer: internal net library error: Net-Library operation terminated due to disconnect>. The SQL submitted is < begin transaction >.

SAP Adaptive Server Enterprise (ASE)

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