SAP Knowledge Base Article - Preview

2124820 - 'JZ0TC: Attempted conversion between an illegal pair of types' when using literals and parameters in SQL statement with jConnect - SAP SDK


  • Using addBatch/executeBatch on statement similar to this: INSERT INTO JCONN4_TEST (TYPE,UPDATE,DESCRIPTION) values ('M', ?, ?)") with ENABLE_BULK_LOAD=BCP and error occurs:
    • java.sql.SQLException: JZ0TC: Attempted conversion between an illegal pair of types.



  • jConnect 7.07 and higher (16.0)
  • SDK for SAP ASE 15.7 or 16.0 (contains the jConnect JDBC driver)
  • ASE 15.7 and higher


SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise SDK 16.0 ; Sybase SDK 15.7 ; Sybase Software Developer Kit 15.7


Bulk Load Failure , KBA , BC-SYB-SDK , SDK , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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