- 我的Java版本:Java版本 “1.8.0_25” 的Java(TM)SE运行时环境(建立1.8.0_25-B18) 的Java热点(TM)64位服务器VM(建25.25-B02,混合模式)
- 我Neo4j的版本:Neo4j的社区-2.3.0-RC1
- 我进口的所有jar文件“的Neo4j社区-2.3。 0-RC1 \ lib'使用Eclipse直接转向类路径
- 我可以在“C:/ TPNeo4jDB”中找到messages.log文件,日志为:
2015-10-15 06:19:03.151+0000 INFO [o.n.k.i.f.CommunityFacadeFactory] No locking implementation specified, defaulting to 'community'
- 我使用Windows 8现在
当我的程序运行 GraphDatabaseService db = dbFactory.newEmbeddedDatabase("C:/TPNeo4jDB");
当我做一个简单的程序与Neo4j的Java API中,我得到以下错误
我得到错误:
Exception in thread "main" java.lang.NullPointerException
at org.neo4j.kernel.impl.factory.CommunityEditionModule.determineEdition(CommunityEditionModule.java:142)
at org.neo4j.kernel.impl.factory.CommunityEditionModule.publishEditionInfo(CommunityEditionModule.java:132)
at org.neo4j.kernel.impl.factory.CommunityEditionModule.(CommunityEditionModule.java:122)
at org.neo4j.kernel.impl.factory.CommunityFacadeFactory.createEdition(CommunityFacadeFactory.java:50)
at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.newFacade(GraphDatabaseFacadeFactory.java:125)
at org.neo4j.kernel.impl.factory.CommunityFacadeFactory.newFacade(CommunityFacadeFactory.java:43)
at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.newFacade(GraphDatabaseFacadeFactory.java:108)
at org.neo4j.graphdb.factory.GraphDatabaseFactory.newDatabase(GraphDatabaseFactory.java:129)
at org.neo4j.graphdb.factory.GraphDatabaseFactory$1.newDatabase(GraphDatabaseFactory.java:117)
at org.neo4j.graphdb.factory.GraphDatabaseBuilder.newGraphDatabase(GraphDatabaseBuilder.java:185)
at org.neo4j.graphdb.factory.GraphDatabaseFactory.newEmbeddedDatabase(GraphDatabaseFactory.java:79)
at org.neo4j.graphdb.factory.GraphDatabaseFactory.newEmbeddedDatabase(GraphDatabaseFactory.java:74)
at com.gongjiaolaile.view.Test.main(Test.java:9)
问题的格式不正确。几乎不可读。 – YoungHobbit