"OutOfMemoryError: Java heap space" when running with diffTypes=data

[AR036]

This issue is also seen in liquibase version 4.2.0 when used with maven.

I am unable to export data even for a single table that has 10 records.

I did profiling and found there’s a memory leakage.
Details of issue can be found below.

OOM Exception, while data export using maven plugin

I am getting an exception while exporting the data from Oracle database using Liquibase. I have used below maven command mvn -e -X liquibase:generateChangeLog -Dliquibase.diffTypes=data -DargLine= "-Xms10G -XmX 20G -XX:-UseGCOverheadLimit" last line I can see in the log before failing is, [DEBUG] Executing with the ‘jdbc’ executor When I checked the same in Java Visual VM, I found that liquibase.change.ColumnConfig class is consuming 80% of space, this is more likely a memory leakage issue. …