Forgive thousand bad English, please I need your help I am trying to update dspace of version 1.8 to version 5.2, but I have a mistake, I ask you please help me, look what I get:
+----------------+----------------------------+---------------------+---------+
| Version | Description | Installed on | State |
+----------------+----------------------------+---------------------+---------+
| 1.1 | Initial DSpace 1.1 databas | | PreInit |
| 1.2 | Upgrade to DSpace 1.2 sche | | PreInit |
| 1.3 | Upgrade to DSpace 1.3 sche | | PreInit |
| 1.3.9 | Drop constraint for DSpace | | PreInit |
| 1.4 | Upgrade to DSpace 1.4 sche | | PreInit |
| 1.5 | Upgrade to DSpace 1.5 sche | | PreInit |
| 1.5.9 | Drop constraint for DSpace | | PreInit |
| 1.6 | Upgrade to DSpace 1.6 sche | | PreInit |
| 1.7 | Upgrade to DSpace 1.7 sche | | PreInit |
| 1.8 | Upgrade to DSpace 1.8 sche | | PreInit |
| 3.0 | Upgrade to DSpace 3.x sche | | PreInit |
| 4.0 | Initializing from DSpace 4 | 2015-06-05 09:53:47 | Success |
| 5.0.2014.08.08 | DS-1945 Helpdesk Request a | | Pending |
| 5.0.2014.09.25 | DS 1582 Metadata For All O | | Pending |
| 5.0.2014.09.26 | DS-1582 Metadata For All O | | Pending |
+----------------+----------------------------+---------------------+---------+
2015-06-05 11:02:20,700 ERROR org.dspace.storage.rdbms.DatabaseManager @ Failed to initialize the database:
java.sql.SQLException: Flyway migration error occurred
at org.dspace.storage.rdbms.DatabaseUtils.updateDatabase(DatabaseUtils.java:430)
at org.dspace.storage.rdbms.DatabaseUtils.updateDatabase(DatabaseUtils.java:338)
at org.dspace.storage.rdbms.DatabaseManager.initialize(DatabaseManager.java:1373)
at org.dspace.storage.rdbms.DatabaseManager.getDbName(DatabaseManager.java:1491)
at org.dspace.storage.rdbms.DatabaseUtils.main(DatabaseUtils.java:191)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.dspace.app.launcher.ScriptLauncher.runOneCommand(ScriptLauncher.java:226)
at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:78)
Caused by: org.flywaydb.core.internal.dbsupport.FlywaySqlScriptException: Error executing statement at line 20: ALTER TABLE requestitem ADD COLUMN request_message TEXT
at org.flywaydb.core.internal.dbsupport.SqlScript.execute(SqlScript.java:91)
at org.flywaydb.core.internal.resolver.sql.SqlMigrationExecutor.execute(SqlMigrationExecutor.java:73)
at org.flywaydb.core.internal.command.DbMigrate$5.doInTransaction(DbMigrate.java:287)
at org.flywaydb.core.internal.command.DbMigrate$5.doInTransaction(DbMigrate.java:285)
at org.flywaydb.core.internal.util.jdbc.TransactionTemplate.execute(TransactionTemplate.java:72)
at org.flywaydb.core.internal.command.DbMigrate.applyMigration(DbMigrate.java:285)
at org.flywaydb.core.internal.command.DbMigrate.access$800(DbMigrate.java:46)
at org.flywaydb.core.internal.command.DbMigrate$2.doInTransaction(DbMigrate.java:207)
at org.flywaydb.core.internal.command.DbMigrate$2.doInTransaction(DbMigrate.java:156)
at org.flywaydb.core.internal.util.jdbc.TransactionTemplate.execute(TransactionTemplate.java:72)
at org.flywaydb.core.internal.command.DbMigrate.migrate(DbMigrate.java:156)
at org.flywaydb.core.Flyway$1.execute(Flyway.java:864)
at org.flywaydb.core.Flyway$1.execute(Flyway.java:811)
at org.flywaydb.core.Flyway.execute(Flyway.java:1171)