Neo4j嵌入式未在服务器中显示

Question

我目前正在摆弄Neo4j。对于初学者，我想创建一些节点和关系，并在服务器Web界面中显示它们。

我复制＆amp;从此处粘贴代码段：http://neo4j.com/docs/java-reference/current/#tutorials-java-embedded-setup

当我在我的代码中创建数据时，我能够在下一次迭代中读取它（参见// debug方法）。所以它被保存了（对吗？）。但我无法查看Neo4j Servers Web-Viewer中的数据。我将Servers DB重新配置到我的嵌入式数据库，它显示了正确的数据库名称。

那为什么我看不到我的数据呢？提前谢谢。

我的代码如下：

    public class TestApp2 {

    private static enum RelTypes implements RelationshipType
    {
        KNOWS
    }

    public static void main(String[] args) {
        File file = new File("/home/foo/workspace/Neo4JConnector/db3.db");
        GraphDatabaseService graphDb = new GraphDatabaseFactory().newEmbeddedDatabase(file);
        registerShutdownHook( graphDb );

        try ( Transaction tx = graphDb.beginTx() )
        {
            checkForNode(graphDb);

            Node firstNode = graphDb.createNode();
            firstNode.setProperty( "message", "Hello, " );
            Node secondNode = graphDb.createNode();
            secondNode.setProperty( "message", "World!" );
            Relationship relationship = firstNode.createRelationshipTo( secondNode, RelTypes.KNOWS );
            relationship.setProperty( "message", "brave Neo4j " );

            System.out.print( firstNode.getProperty( "message" ) );
            System.out.print( relationship.getProperty( "message" ) );
            System.out.println( secondNode.getProperty( "message" ) );
            tx.success();
            tx.close();
        }

        System.out.println("got it! Going to sleep now...");
        graphDb.shutdown();
    }

    // debug
    private static void checkForNode(GraphDatabaseService graphDb)
    {
        Node node = null;
        try
        {
            node = graphDb.getNodeById(0);
        }
        catch (NotFoundException e)
        {
            System.out.println("initial run");
            return;
        }
        System.out.println("Node found: "+node.getProperty("message"));
    }

    private static void registerShutdownHook( final GraphDatabaseService graphDb )
    {
        Runtime.getRuntime().addShutdownHook( new Thread()
        {
            @Override
            public void run()
            {
                graphDb.shutdown();
            }
        } );
    }
}

我的Neo4j-Config指向同一个文件夹：

dbms.active_database=/home/foo/workspace/Neo4JConnector/db2.db