Having problem depolying app in glassfish

Question

I wrote a simple app that enter data to DB and populate it in html
however, I can depoly it. Could you point out the error?
Publishing failed
Could not publish to the server.
java.lang.NullPointerException
Could not publish to the server.
java.lang.NullPointerException
cannot Deploy BookWeb
Deployment Error for module: BookWeb: Error occurred during deployment: Exception while deploying the app [BookWeb] : org.xml.sax.SAXParseException; lineNumber: 12; columnNumber: 15; Deployment descriptor file META-INF/persistence.xml in archive [classes]. cvc-complex-type.2.4.a: Invalid content was found starting with element 'Properties'. One of '{"http://java.sun.com/xml/ns/persistence":class, "http://java.sun.com/xml/ns/persistence":exclude-unlisted-classes, "http://java.sun.com/xml/ns/persistence":shared-cache-mode, "http://java.sun.com/xml/ns/persistence":validation-mode, "http://java.sun.com/xml/ns/persistence":properties}' is expected.. Please see server.log for more details.
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
               http://java.sun.com/xmls/ns/persistence/persistence_2_0.xsd"
               version="2.0">
     <persistence-unit name="chapter10PU" transaction-type="JTA">
          <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
          <jta-data-source>jdbc/__OraclePool</jta-data-source>
          <class>com.apress.javaee6.chapter10.Book</class>
          <Properties>
               <Property name="eclipselink.ddl-generation" value="create-tables"/>
               <Property name="eclipselink.logging.level" value="INFO"/>
          </Properties>
     </persistence-unit>
</persistence>

Answer 1

DId you tap the + sign to add an event?
Have a look at the manual:
iPhone User Guide (For iOS 6.1 Software)