IMPDP Fails with ORA-7445 [kcblnb] (Doc ID 835977.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 11.1.0.6 to 11.1.0.7 - Release: 11.1 to 11.1
Information in this document applies to any platform.

Symptoms

When importing a table with several LOB columns, IMPDP fails with:

ORA-39014: One or more workers have prematurely exited.
ORA-39029: worker 2 with process name "DW01" prematurely terminated
ORA-31672: Worker process DW01 died unexpectedly.

At the same time the instance alert file shows:

Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x8] [PC:0x1017EF928, kcblnb()+8]
ORA-07445: exception encountered: core dump [kcblnb()+8] [SIGSEGV] [ADDR:0x8] [PC:0x1017EF928][Address not mapped to object] []

Cause

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