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From josepma <josep...@gmail.com>
Subject ant+jpa+junit+derby: Cannot connect to the database (already booted!!!)
Date Fri, 29 Mar 2013 20:48:14 GMT
Hello,

I am using ant+jpa+junit+derby(embedded).

I am trying to write a build.xml file which:

(1) Creates a derby database with the embedded driver
(2) Runs the tests of a test class.

However, when the junit ant task runs the tests in the test class, I get:

java.sql.SQLException: Another instance of Derby may have already booted the
database /pathToMyDB.

These are the relevant parts of my build.xml script:

 
  
  
 
  <target name="create-db"> 
     <delete dir="${db.dir}"/> 
     <sql classpathref="classpath" userid="josepma" password="josepma" 
        url="jdbc:derby:${db.dir};create=true" 
        driver="org.apache.derby.jdbc.EmbeddedDriver">
     ;
     </sql>
  </target>

 
  
  
  <target name="test" depends="create-db, compile"> 
      <junit printsummary="yes" haltonerror="yes" haltonfailure="yes"  
             fork="no"> 
            <formatter type = "xml" />

             <classpath>
                <path refid="classpath"/>
             </classpath>
                      
            <batchtest todir="${build.report.dir}" >
               <fileset dir="${src.test.dir}">
                  <include name="**/*Test.java"/>
               </fileset>
               
           </batchtest>
   </junit> 

  ANd this is what I do in the test class:

    @Test
    public void testAddBook() {
        
        EntityManagerFactory emf = 
           Persistence.createEntityManagerFactory("alexandria");
        EntityManager em =  emf.createEntityManager();  

        
        System.out.println("addBook");
       
    }

I have been stuck in this for a couple of days. I would appreciate some
help!!! 

Thank you.

Josepma



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