Data Pump 12.1.0.2 – Wrong Dump File Version – ORA-39142

Again I’ll have to thank my colleague Roland Gräff from the German ACS Support team in Stuttgart for bringing this into our radar. Roland alerted me a week ago about an issue with exports in Oracle 12.1.0.2 only when you are on a certain patch level. I summarize the issue here under Data Pump 12.1.0.2 – Wrong Dump File Version – ORA-39142. In the below blog post you will learn about the actual issue, where it happens and when, and of course how to workaround it. When does it happen? The issue I will describe below happens only with Oracle…