Could not load driver class org.neo4j.ogm.drivers.http.driver.HttpDriver（Neo4j连接用bolt还是http)

这里需要注意如果只是用了 spring-boot-starter-data-neo4j 的话，连接驱动默认使用的是bolt协议。bolt协议好像底层使用二进制操作，更高效。如果要是用http协议的话要加入neo4j-ogm-http-driver 。版本要和neo4j一样，在依赖里面查下。
使用bolt协议，端口使用7687，使用http协议，端口使用7474，这些是默认端口。这个端口可以在neo4j配置，如果配置了就去查下对应的端口。

        <dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-neo4j</artifactId></dependency>//如果只是使用了spring-boot-starter-data-neo4j，那么连接的时候就需要使用blot ,并且把端口改为7687

        <dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-neo4j</artifactId></dependency><dependency><groupId>org.neo4j</groupId><artifactId>neo4j-ogm-http-driver</artifactId></dependency>
//如果引入了drive 那么要使用http连接，并且端口是7474

Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.neo4j.ogm.session.SessionFactory]: Factory method 'sessionFactory' threw exception; nested exception is org.neo4j.ogm.exception.core.ConfigurationException: Could not load driver class org.neo4j.ogm.drivers.http.driver.HttpDriverat org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:640) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]... 54 common frames omitted
Caused by: org.neo4j.ogm.exception.core.ConfigurationException: Could not load driver class org.neo4j.ogm.drivers.http.driver.HttpDriverat org.neo4j.ogm.session.SessionFactory.newConfiguredDriverInstance(SessionFactory.java:252) ~[neo4j-ogm-core-3.2.2.jar:3.2.2]at org.neo4j.ogm.session.SessionFactory.<init>(SessionFactory.java:87) ~[neo4j-ogm-core-3.2.2.jar:3.2.2]at org.springframework.boot.autoconfigure.data.neo4j.Neo4jDataAutoConfiguration$Neo4jOgmSessionFactoryConfiguration.sessionFactory(Neo4jDataAutoConfiguration.java:87) ~[spring-boot-autoconfigure-2.2.1.RELEASE.jar:2.2.1.RELEASE]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_231]at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_231]at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_231]at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_231]at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]... 55 common frames omitted
Caused by: java.lang.ClassNotFoundException: org.neo4j.ogm.drivers.http.driver.HttpDriverat java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[na:1.8.0_231]at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[na:1.8.0_231]at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355) ~[na:1.8.0_231]at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[na:1.8.0_231]at java.lang.Class.forName0(Native Method) ~[na:1.8.0_231]at java.lang.Class.forName(Class.java:264) ~[na:1.8.0_231]at org.neo4j.ogm.session.SessionFactory.newConfiguredDriverInstance(SessionFactory.java:247) ~[neo4j-ogm-core-3.2.2.jar:3.2.2]... 62 common frames omitted

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Could not load driver class org.neo4j.ogm.drivers.http.driver.HttpDriver（Neo4j连接用bolt还是http)

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