/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package expencetracker;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;

/**
 *
 * @author jp159440
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Expense expense = new Expense();
        expense.setDescription("Popis");
        expense.setCategory(1);
        expense.setPrice(23800.0);
        new Main().persist(expense);
    }

    public void persist(Object object) {
        EntityManagerFactory emf = Persistence.createEntityManagerFactory("ExpenceTrackerPU");
        EntityManager em = emf.createEntityManager();
        em.getTransaction().begin();
        try {
            em.persist(object);
            em.getTransaction().commit();
        } catch (Exception e) {
            e.printStackTrace();
            em.getTransaction().rollback();
        } finally {
            em.close();
        }
    }

}

----- Classpath: ---------------------------------------------
bootPath: /space/jdks/jdk1.6.0_11/jre/lib/resources.jar:/space/jdks/jdk1.6.0_11/jre/lib/rt.jar:/space/jdks/jdk1.6.0_11/jre/lib/sunrsasign.jar:/space/jdks/jdk1.6.0_11/jre/lib/jsse.jar:/space/jdks/jdk1.6.0_11/jre/lib/jce.jar:/space/jdks/jdk1.6.0_11/jre/lib/charsets.jar:/space/jdks/jdk1.6.0_11/jre/classes:/space/jdks/jdk1.6.0_11/jre/lib/ext/sunpkcs11.jar:/space/jdks/jdk1.6.0_11/jre/lib/ext/localedata.jar:/space/jdks/jdk1.6.0_11/jre/lib/ext/sunjce_provider.jar:/space/jdks/jdk1.6.0_11/jre/lib/ext/dnsns.jar
classPath: /space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/antlr-2.7.6.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/asm.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/asm-attrs.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/cglib-2.1.3.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/commons-collections-2.1.1.jar:/space/builds/netbeans-dev-4733/ide10/modules/ext/commons-logging-1.1.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/dom4j-1.6.1.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/ehcache-1.2.3.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/jdbc2_0-stdext.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/jta.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/hibernate3.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/hibernate-tools.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/hibernate-annotations.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/hibernate-commons-annotations.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/hibernate-entitymanager.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/javassist.jar:/space/builds/netbeans-dev-4733/java2/modules/ext/hibernate/ejb3-persistence.jar
sourcePath: /home/jp159440/NetBeansProjects/ExpenceTracker/src:/home/jp159440/NetBeansProjects/ExpenceTracker/build/generated/wsclient:/home/jp159440/NetBeansProjects/ExpenceTracker/build/generated/wsimport/client
----- Original exception ---------------------------------------------
java.lang.NullPointerException
	at com.sun.tools.javac.comp.Flow.scanCond(Flow.java:535)
	at com.sun.tools.javac.comp.Flow.visitIf(Flow.java:1088)
	at com.sun.tools.javac.tree.JCTree$JCIf.accept(JCTree.java:1119)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
	at com.sun.tools.javac.comp.Flow.scanStat(Flow.java:502)
	at com.sun.tools.javac.comp.Flow.scanStats(Flow.java:510)
	at com.sun.tools.javac.comp.Flow.visitBlock(Flow.java:761)
	at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:769)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
	at com.sun.tools.javac.comp.Flow.scanStat(Flow.java:502)
	at com.sun.tools.javac.comp.Flow.visitMethodDef(Flow.java:708)
	at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:657)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
	at com.sun.tools.javac.comp.Flow.visitClassDef(Flow.java:657)
	at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:588)
	at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
	at com.sun.tools.javac.comp.Flow.analyzeTree(Flow.java:1312)
	at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1131)
	at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1094)
	at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:446)
	at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:426)
	at org.netbeans.modules.java.source.parsing.JavacParser.moveToPhase(JavacParser.java:526)
	at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:376)
	at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:149)
	at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:192)
	at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:677)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)