'Error while executing alter table SNP_SEQ_SESS drop constraint FK_SEQ_SESS' Signalled During ODI Upgrade From 11g To 12c (Doc ID 1947519.1)

Last updated on MARCH 31, 2017

Applies to:

Oracle Data Integrator - Version 12.1.2.0.0 to 12.2.1. Beta [Release 12c]
Information in this document applies to any platform.

Symptoms

The upgrade of Work Repository from Oracle Data Integrator (ODI) 11g to 12c fails during the Oracle Fusion Middleware Upgrade Assistant with error:

Caused by: java.lang.RuntimeException: Error while executing alter table SNP_SEQ_SESS drop constraint FK_SEQ_SESS
  at com.sunopsis.dwg.xml.DwgXmlSession.execute(DwgXmlSession.java:94)
  at com.sunopsis.repository.manager.DDLSessionExecutor.executeDDL(DDLSessionExecutor.java:88)
  at com.sunopsis.repository.manager.upgrade.AbstractRepositoryUpgrade.executeUpgradeDDL(AbstractRepositoryUpgrade.java:155)
  ... 15 more

Caused by: java.sql.SQLException: ORA-02443: Cannot drop constraint  - nonexistent constraint

  at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:466)
  at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:407)
  at ...

Cause

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