Failed to start demo

[wdroste]

WARN: GenerationTarget encountered exception accepting command : Error executing DDL via JDBC Statement org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL via JDBC Statement at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67) at org.hibernate.tool.schema.internal.AbstractSchemaMigrator.applySqlString(AbstractSchemaMigrator.java:524) at org.hibernate.tool.schema.internal.AbstractSchemaMigrator.applySqlStrings(AbstractSchemaMigrator.java:470) at org.hibernate.tool.schema.internal.AbstractSchemaMigrator.applyForeignKeys(AbstractSchemaMigrator.java:429) at org.hibernate.tool.schema.internal.AbstractSchemaMigrator.performMigration(AbstractSchemaMigrator.java:245) at org.hibernate.tool.schema.internal.AbstractSchemaMigrator.doMigration(AbstractSchemaMigrator.java:110) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:177) at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:66) at org.hibernate.internal.SessionFactoryImpl.(SessionFactoryImpl.java:309) at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:445) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:710) at com.cockroachlabs.util.SessionUtil.(SessionUtil.java:64) at com.cockroachlabs.util.SessionUtil.init(SessionUtil.java:68) at com.cockroachlabs.Application.initHibernate(Application.java:33) at com.cockroachlabs.Application.run(Application.java:28) at com.cockroachlabs.Application.main(Application.java:24) Caused by: org.postgresql.util.PSQLException: ERROR: columns cannot be used by multiple foreign key constraints at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2284) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2003) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:200)