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2547379 - JBOSS connecting to ASE reports "SybConnectionDeadException: JZ0C0: Connection is already closed" - ASE


  • JBOSS connecting to ASE reports the following error:

IOException: com.sybase.jdbc4.jdbc.SybConnectionDeadException: JZ0C0: Connection is already closed.

  • ASE error log reports the following error:

nrpacket: recv, Connection timed out, spid: 423, suid: 1088
00:0010:00000:00000:2017/09/26 21:38:44.64 kernel  extended error information: hostname: <hostname> login: <login>

  • sp_monitorconfig  "number of user connections" shows there are connections available

Name                                Num_free      Num_active            Pct_act       Max_Used      Reuse_cnt      Instance_Name

number of user connection     314                  86                     21.50          309                   0                    [NULL]

  • No errors reported when connecting through isql utility



SAP Adaptive Server Enterprise (ASE) 16.0


SAP Adaptive Server Enterprise 16.0


KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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