使用 jdbc 连接到 Neo4j 找不到适合 jdbc:neo4j:bolt://localhost:7687 的驱动程序

Question

我正在尝试使用 Talend 连接到 Neo4j，但在主题行中收到错误消息“找不到适合 jdbc:neo4j:bolt://localhost:7687 的驱动程序”。当我尝试连接我编写的控制台 java 应用程序时，我也会得到它。下面的代码。

我正在使用从 https://jar-download.com/artifact-search/neo4j-jdbc 获得的 jar 文件这是从中获取 jar 文件的最可靠的地方还是那里有更好的 jar 文件。

控制台应用程序上的 java 代码编译没有错误，因此 jar 文件没有损坏。

/**
* Sample connection to Neo4j using jdbc
* compiled with command javac -cp "neo4j-jdbc-4.0.4.jar" ConnectToNeo4j.java
* executed with command java ConnectToNeo4j
* output 

java.sql.SQLException: No suitable driver found for jdbc:neo4j:bolt://localhost:7687
        at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:706)
        at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:229)
        at ConnectToNeo4j.main(ConnectToNeo4j.java:25)


**/

    import java.net.URI;
    import java.sql.*;
    
    import org.neo4j.jdbc.*;
    import org.neo4j.jdbc.Neo4jDriver;
    
    class ConnectToNeo4j {
      public static void main(String[] args) {
        String query = "MATCH (n:User) RETURN n.name LIMIT 25";
        try {
    // My passsword isn't passsword !
          Connection con = DriverManager.getConnection("jdbc:neo4j:bolt://localhost:7687", "neo4j", "password");
          try (PreparedStatement stmt = con.prepareStatement(query)) {
            try (ResultSet rs = stmt.executeQuery()) {
              while (rs.next()) {
                System.out.println("Found: "+rs.getString("u.name"));
              }
            } catch (Exception e) { e.printStackTrace(); }
          } catch (Exception e) { e.printStackTrace(); }
          con.close();
        } catch (Exception e) { e.printStackTrace(); }
      }
    }

Answer 1

根据官方文档，

For the all-in-one module supporting both Bolt and HTTP, you can simply use:

<dependency>
    <groupId>org.neo4j</groupId>
    <artifactId>neo4j-jdbc-driver</artifactId>
    <version>{neo4j-jdbc-version}</version>
</dependency>

Jar 如果不使用 Maven： https://repo1.maven.org/maven2/org/neo4j/neo4j-jdbc-driver/4.0.4/neo4j-jdbc-driver-4.0.4.jar

If you want only one of the protocols, you can depend on its module:

<dependency>
    <groupId>org.neo4j</groupId>
    <artifactId>neo4j-jdbc-bolt</artifactId>
    <version>{neo4j-jdbc-version}</version>
</dependency>

or

<dependency>
    <groupId>org.neo4j</groupId>
    <artifactId>neo4j-jdbc-http</artifactId>
    <version>{neo4j-jdbc-version}</version>
</dependency>

https://neo4j-contrib.github.io/neo4j-jdbc/

使用 jdbc 连接到 Neo4j 找不到适合 jdbc:neo4j:bolt://localhost:7687 的驱动程序

Connection to Neo4j with jdbc No suitable driver found for jdbc:neo4j:bolt://localhost:7687

java

jdbc

neo4j