I was following the guide @ http://openmeetings.apache.org/Upgrade.html; upgrade was recommended by maxim in order to address the generatingURL/mail invitation-issue.
At the end of the installation process, I got an error@ /openmeetings/install?6 (I dumped the databases and created a new one, following the recommendations in the upgrade-guide.) Installation is failed org.springframework.orm.jpa.JpaSystemException: The transaction has been rolled back. See the nested exceptions for details on the errors that occurred.; nested exception is <openjpa-2.2.2-r422266:1468616 fatal general error> org.apache.openjpa.persistence.PersistenceException: The transaction has been rolled back. See the nested exceptions for details on the errors that occurred. FailedObject: org.apache.openmeetings.db.entity.basic.Configuration@286a0559 at org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExcept ionIfPossible(EntityManagerFactoryUtils.java:326) at org.springframework.orm.jpa.DefaultJpaDialect.translateExceptionIfPossible(D efaultJpaDialect.java:120) at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionMan ager.java:516) at org.springframework.transaction.support.AbstractPlatformTransactionManager.p rocessCommit(AbstractPlatformTransactionManager.java:754) at org.springframework.transaction.support.AbstractPlatformTransactionManager.c ommit(AbstractPlatformTransactionManager.java:723) at org.springframework.transaction.interceptor.TransactionAspectSupport.commitT ransactionAfterReturning(TransactionAspectSupport.java:393) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(Tr ansactionInterceptor.java:120) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(Reflect iveMethodInvocation.java:172) at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.i ntercept(Cglib2AopProxy.java:622) at org.apache.openmeetings.db.dao.basic.ConfigurationDao$$EnhancerByCGLIB$$fcc7 23cb.add(<generated>) at org.apache.openmeetings.installation.ImportInitvalues.loadConfiguration(Impo rtInitvalues.java:365) at org.apache.openmeetings.installation.ImportInitvalues.loadSystem(ImportInitv alues.java:985) at org.apache.openmeetings.installation.ImportInitvalues.loadAll(ImportInitvalu es.java:997) at org.apache.openmeetings.web.pages.install.InstallWizard$InstallProcess.run(I nstallWizard.java:389) at java.lang.Thread.run(Thread.java:662) Caused by: <openjpa-2.2.2-r422266:1468616 fatal general error> org.apache.openjpa.persistence.PersistenceException: The transaction has been rolled back. See the nested exceptions for details on the errors that occurred. FailedObject: org.apache.openmeetings.db.entity.basic.Configuration@286a0559 at org.apache.openjpa.kernel.BrokerImpl.newFlushException(BrokerImpl.java:2347) at org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:2184) at org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:2082) at org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerImpl.java:2000) at org.apache.openjpa.kernel.LocalManagedRuntime.commit(LocalManagedRuntime.jav a:81) at org.apache.openjpa.kernel.BrokerImpl.commit(BrokerImpl.java:1524) at org.apache.openjpa.kernel.DelegatingBroker.commit(DelegatingBroker.java:933) at org.apache.openjpa.persistence.EntityManagerImpl.commit(EntityManagerImpl.ja va:570) at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionMan ager.java:512) ... 12 more Caused by: <openjpa-2.2.2-r422266:1468616 fatal general error> org.apache.openjpa.persistence.PersistenceException: Data truncation: Data too long for column 'conf_value' at row 1 {prepstmnt 515643217 INSERT INTO configuration (comment_field, conf_key, conf_value, deleted, starttime, updatetime, user_id) VALUES (?, ?, ?, ?, ?, ?, ?)} [code=1406, state=22001] FailedObject: org.apache.openmeetings.db.entity.basic.Configuration@286a0559 at org.apache.openjpa.jdbc.sql.DBDictionary.narrow(DBDictionary.java:4962) at org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException(DBDictionary.java :4922) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:136) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptions.java:78) at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flushAndUpdate(P reparedStatementManagerImpl.java:144) at org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl.flushAnd Update(BatchingPreparedStatementManagerImpl.java:79) at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flushInternal(Pr eparedStatementManagerImpl.java:100) at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flush(PreparedSt atementManagerImpl.java:88) at org.apache.openjpa.jdbc.kernel.ConstraintUpdateManager.flush(ConstraintUpdat eManager.java:550) at org.apache.openjpa.jdbc.kernel.ConstraintUpdateManager.flush(ConstraintUpdat eManager.java:106) at org.apache.openjpa.jdbc.kernel.BatchingConstraintUpdateManager.flush(Batchin gConstraintUpdateManager.java:59) at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateMan ager.java:105) at org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(AbstractUpdateMan ager.java:78) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.flush(JDBCStoreManager.java: 732) at org.apache.openjpa.kernel.DelegatingStoreManager.flush(DelegatingStoreManage r.java:131) at org.apache.openjpa.datacache.DataCacheStoreManager.flush(DataCacheStoreManag er.java:661) at org.apache.openjpa.kernel.DelegatingStoreManager.flush(DelegatingStoreManage r.java:131) ... 20 more Caused by: org.apache.openjpa.lib.jdbc.ReportingSQLException: Data truncation: Data too long for column 'conf_value' at row 1 {prepstmnt 515643217 INSERT INTO configuration (comment_field, conf_key, conf_value, deleted, starttime, updatetime, user_id) VALUES (?, ?, ?, ?, ?, ?, ?)} [code=1406, state=22001] at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.wrap(LoggingConnectio nDecorator.java:219) at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.wrap(LoggingConnectio nDecorator.java:195) at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.access$1000(LoggingCo nnectionDecorator.java:59) at org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnection$Log gingPreparedStatement.executeUpdate(LoggingConnectionDecorator.java:1134) at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeUpdate(Delega tingPreparedStatement.java:275) at org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeUpdate(Delega tingPreparedStatement.java:275) at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.executeUpdate(Pr eparedStatementManagerImpl.java:268) at org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.flushAndUpdate(P reparedStatementManagerImpl.java:119) ... 32 more Any idea?