Backup of Oracle DB fails due to unknown type TIMESTAMP (93)

2016-04-08 15:30:33,220 INFO  [ThreadPool2 ] fisheye MessageLoggingProgressMonitor-update - 245 rows written, 41 of 76 tables completed.
2016-04-08 15:30:33,223 INFO  [ThreadPool2 ] fisheye HibernateUtil-makeWritable - DB going writable.
2016-04-08 15:30:33,224 WARN  [ThreadPool2 ] fisheye MessageLoggingProgressMonitor-update - Error reading database: Cannot encode value for unsupported column type: "TIMESTAMP" (93) of column .CREATED_DATE
2016-04-08 15:30:33,224 INFO  [ThreadPool2 ] fisheye MessageLoggingProgressMonitor-update - Backup failed
2016-04-08 15:30:33,224 WARN  [ThreadPool2 ] fisheye BackupManagerImpl$2-run - Backup failed.
java.io.IOException: Error reading database: Cannot encode value for unsupported column type: "TIMESTAMP" (93) of column .CREATED_DATE
        at com.atlassian.crucible.migration.item.SQLBackup$SaverImpl.backup(SQLBackup.java:82) [fisheye.jar:?]
        at com.atlassian.crucible.migration.BackupManagerImpl.createBackup(BackupManagerImpl.java:264) [fisheye.jar:?]
        at com.atlassian.crucible.migration.BackupManagerImpl.access$000(BackupManagerImpl.java:55) [fisheye.jar:?]
        at com.atlassian.crucible.migration.BackupManagerImpl$2$1.perform(BackupManagerImpl.java:153) [fisheye.jar:?]
        at com.atlassian.crucible.migration.BackupManagerImpl$2$1.perform(BackupManagerImpl.java:151) [fisheye.jar:?]
        at com.atlassian.crucible.maintenance.MaintenanceManager.doMaintenance(MaintenanceManager.java:111) [fisheye.jar:?]
        at com.atlassian.crucible.migration.BackupManagerImpl$2.run(BackupManagerImpl.java:151) [fisheye.jar:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_60]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_60]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_60]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [?:1.8.0_60]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_60]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_60]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_60]
Caused by: java.sql.SQLException: Cannot encode value for unsupported column type: "TIMESTAMP" (93) of column .CREATED_DATE
        at com.atlassian.crucible.migration.item.DBExporter.throwCantEncodeJdbcType(DBExporter.java:343) [fisheye.jar:?]
        at com.atlassian.crucible.migration.item.DBExporter.access$400(DBExporter.java:35) [fisheye.jar:?]
        at com.atlassian.crucible.migration.item.DBExporter$OracleColumnExporter.export(DBExporter.java:297) [fisheye.jar:?]
        at com.atlassian.crucible.migration.item.DBExporter.exportRow(DBExporter.java:355) [fisheye.jar:?]
        at com.atlassian.crucible.migration.item.DBExporter.exportTable(DBExporter.java:164) [fisheye.jar:?]
        at com.atlassian.crucible.migration.item.DBExporter.exportData(DBExporter.java:103) [fisheye.jar:?]
        at com.atlassian.crucible.migration.item.SQLBackup$SaverImpl.backup(SQLBackup.java:69) [fisheye.jar:?]
        ... 13 more

Started
Starting ActiveObjects backup...
* Backing up Database Information
* Backing up Table Definitions
** Table count: 5
* Backing up Tables
** Backing up 'AO_2913F5_COMMENT_ISSUE'
** Backing up 'AO_38321B_CUSTOM_CONTENT_LINK'
** Backing up 'AO_8219D4_COMMIT_HOOK_CONFIG'
** Backing up 'AO_A0B856_WEB_HOOK_LISTENER_AO'
** Backing up 'AO_B434B9_WEB_HOOK'
ActiveObjects backup completed!
Dropping existing tables...
Cannot encode value for unsupported column type: "TIMESTAMP" (93) of column .CREATED_DATE
Database migration failed: java.sql.SQLException: Cannot encode value for unsupported column type: "TIMESTAMP" (93) of column .CREATED_DATE
Problem running drop script (you may have to manually drop the DB) /Users/kcichy/src/fecru_a/output/dist/sql/POSTGRESQL/schema/drop_95.sql
Database migration failed: com.cenqua.crucible.hibernate.CruDBException: Problem running drop script (you may have to manually drop the DB) /Users/kcichy/src/fecru_a/output/dist/sql/POSTGRESQL/schema/drop_95.sql