* rendering ftl forms : selections from error : . When regenerating & first run ..ok . after db change problem reappears. 
   * Method public java.lang.String org.molgenis.framework.ui.!SimpleScreenModel.render() throws org.molgenis.framework.ui.html.!HtmlInputException threw an exception when invoked on org.molgenis.framework.ui.!FormModel@5515c974[[BR]]The problematic instruction:
   * ==> ${screen.render()} [on line 15, column 17 in Layout.ftl][[BR]]in user-directive layout [on line 119, column 9 in !MenuView.ftl]
 * Trying JPA on catalogue :



  14:24:05,985 ERROR !FrontController:76  - ![PersistenceUnit: molgenis]  Unable to build !EntityManagerFactory

org.molgenis.framework.db.!DatabaseException: ![PersistenceUnit: molgenis] Unable to build !EntityManagerFactory

  at org.molgenis.framework.server.!MolgenisFrontController .getSecuredDatabase(!MolgenisFrontController.java:157 )

  at org.molgenis.framework.server.!MolgenisFrontController .handleRequest(!MolgenisFrontController.java:115 )

  at org.molgenis.framework.server.!MolgenisFrontController .service(!MolgenisFrontController.java:71 )

  at javax.servlet.http.!HttpServlet .service(!HttpServlet.java:717 )

  at org.apache.catalina.core.!ApplicationFilterChain .internalDoFilter(!ApplicationFilterChain.java:290 )

  at org.apache.catalina.core.!ApplicationFilterChain .doFilter(!ApplicationFilterChain.java:206 )

  at org.apache.catalina.core.!StandardWrapperValve .invoke(!StandardWrapperValve.java:233 )

  at org.apache.catalina.core.!StandardContextValve .invoke(!StandardContextValve.java:191 )

  at org.apache.catalina.core.!StandardHostValve .invoke(!StandardHostValve.java:127 )

  at org.apache.catalina.valves.!ErrorReportValve .invoke(!ErrorReportValve.java:102 )

  at org.apache.catalina.core.!StandardEngineValve .invoke(!StandardEngineValve.java:109 )

  at org.apache.catalina.connector.!CoyoteAdapter .service(!CoyoteAdapter.java:298 )

  at org.apache.coyote.http11.Http11Processor.process(!Http11Processor.java:852 )

  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(!Http11Protocol.java:588 )

  at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(!JIoEndpoint.java:489 )

  at java.lang.Thread.run(!Thread.java:680 )

Caused by: org.molgenis.framework.db.!DatabaseException: ![PersistenceUnit: molgenis] Unable to build !EntityManagerFactory

  at app.!DatabaseFactory .createJpaDatabase(!DatabaseFactory.java:45 )

  at app.!DatabaseFactory .create(!DatabaseFactory.java:84 )

  at app.servlet.!FrontController .createDatabase(!FrontController.java:95 )

  at org.molgenis.framework.server.!MolgenisFrontController .getSecuredDatabase(!MolgenisFrontController.java:147 )

  ... 15 more

Caused by: javax.persistence.!PersistenceException: ![PersistenceUnit: molgenis] Unable to build !EntityManagerFactory

  at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(!Ejb3Configuration.java:915 )

  at org.hibernate.ejb.!HibernatePersistence .createEntityManagerFactory(!HibernatePersistence.java:57 )

  at javax.persistence.Persistence.createEntityManagerFactory(!Persistence.java:48 )

  at javax.persistence.Persistence.createEntityManagerFactory(!Persistence.java:32 )

  at org.molgenis.framework.db.jpa.!JpaDatabase $EMFactory.addEntityManagerFactory(!JpaDatabase.java:58 )

  at org.molgenis.framework.db.jpa.!JpaDatabase $EMFactory.<init>(!JpaDatabase.java:41 )

  at org.molgenis.framework.db.jpa.!JpaDatabase $EMFactory.createEntityManager(!JpaDatabase.java:83 )

  at app.!JpaDatabase .<init>(!JpaDatabase.java:84 )

  at app.!DatabaseFactory .createJpaDatabase(!DatabaseFactory.java:43 )

  ... 18 more

Caused by: org.hibernate.!HibernateException: Wrong column type in LLcatalogue.Category for column description. Found: text, expected: longtext

  at org.hibernate.mapping.Table.validateColumns(!Table.java:283 )

  at org.hibernate.cfg.Configuration.validateSchema(!Configuration.java:1343 )

  at org.hibernate.tool.hbm2ddl.!SchemaValidator .validate(!SchemaValidator.java:139 )

  at org.hibernate.impl.!SessionFactoryImpl .<init>(!SessionFactoryImpl.java:378 )

  at org.hibernate.cfg.Configuration.buildSessionFactory(!Configuration.java:1872 )

  at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(!Ejb3Configuration.java:906 )

  ... 26 more