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Intermittent ORA-01722 Invalid Number Reported for Bind Variable (Doc ID 1235804.1)

Last updated on OCTOBER 08, 2020

Applies to:

Oracle Database - Enterprise Edition - Version and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.


Application queries intermittently fail with ORA-01722 invalid number after upgrade from to even though the bind variables being passed are the correct type.

Patches patches 7025450 and 8479537 were applied and reduced the frequency of the problem but did not completely fix the issue.

An ORA-1722 errorstack trace shows the binds are being corrupted:

o Bind variable
oacdty=01 mxl=2000(22) mxlc=00 mal=00 scl=00 pre=00
kxsbbbfp=800003f7c0017f68 bln=2000 avl=05 flg=05
value="�3Da" <=== Corrupted value was transferred here


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