DB upgrade from 3.3.0 to trunk fails on postgres

[oozie@localhost ~]$ oozie-3.3.0/bin/ooziedb.sh create -run

Validate DB Connection
DONE
Check DB schema does not exist
DONE
Check OOZIE_SYS table does not exist
DONE
Create SQL schema
DONE
Create OOZIE_SYS table
DONE

Oozie DB has been created for Oozie version '3.3.0'


The SQL commands have been written to: /tmp/ooziedb-4337942956770953237.sql

[oozie@localhost ~]$ oozie-4.1.0-SNAPSHOT/bin/ooziedb.sh upgrade -run
  setting CATALINA_OPTS="$CATALINA_OPTS -Xmx1024m"

Validate DB Connection
DONE
Check DB schema exists
DONE
Verify there are not active Workflow Jobs
DONE
Check OOZIE_SYS table does not exist
DONE
Get Oozie DB version
DONE
Upgrade SQL schema
DONE
Upgrading to db schema for Oozie 4.0
Update db.version in OOZIE_SYS table to 2
DONE
Post-upgrade COORD_JOBS new columns default values
DONE
Post-upgrade COORD_JOBS & COORD_ACTIONS status values
DONE
Post-upgrade MISSING_DEPENDENCIES column
DONE
Table 'WF_ACTIONS' column 'execution_path', length changed to 1024
Table 'WF_ACTIONS, column 'error_message', changed to varchar/varchar2
Table 'COORD_JOB' column 'frequency' changed to varchar/varchar2
DONE
Post-upgrade BUNDLE_JOBS, COORD_JOBS, WF_JOBS to drop AUTH_TOKEN column
DONE
Get Oozie DB version
DONE
Upgrading to db schema for Oozie 4.1.0-SNAPSHOT
Update db.version in OOZIE_SYS table to 3
DONE
Converting text columns to bytea for all tables

Error: ERROR: syntax error at or near "\"
  Position: 61

Stack trace for the error was (for debug purposes):
--------------------------------------
org.postgresql.util.PSQLException: ERROR: syntax error at or near "\"
  Position: 61
	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2102)
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1835)
	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:257)
	at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:500)
	at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:374)
	at org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2Statement.java:302)
	at org.apache.oozie.tools.OozieDBCLI.convertClobToBlobInPostgres(OozieDBCLI.java:533)
	at org.apache.oozie.tools.OozieDBCLI.ddlTweaksFor50(OozieDBCLI.java:621)
	at org.apache.oozie.tools.OozieDBCLI.upgradeDBto50(OozieDBCLI.java:239)
	at org.apache.oozie.tools.OozieDBCLI.upgradeDB(OozieDBCLI.java:219)
	at org.apache.oozie.tools.OozieDBCLI.run(OozieDBCLI.java:128)
	at org.apache.oozie.tools.OozieDBCLI.main(OozieDBCLI.java:76)
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