An invalid column type error occurred when user creating a JIRA backup

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Platform Notice: Server and Data Center Only - This article only applies to Atlassian products on the server and data center platforms.

Problem

The problem happens when user try to create an XML backup from JIRA 6.4.x.

The following appears in the atlassian-jira.log

An exception occurred backing up: org.ofbiz.core.util.GeneralRuntimeException: Error creating GenericValue (SQL Exception while getting value: (Invalid column type: getBLOB not implemented for class oracle.jdbc.driver.T4CLongRawAccessor))

Diagnosis

Environment

Oracle 12c

Cause

Some of the DB entries is not retrieved as BLOB column type. 

Workaround

Run integrity checker to fix any errors are appearing in the screen.

Last modified on Nov 1, 2018

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