我正在使用Neo4j 1.8.2,空间为0.9。
当我尝试在已包含索引的现有图形上获取空间索引的句柄时,我得到以下异常:
线程“main”中的异常java.lang.IllegalArgumentException:提供的索引配置: {geometry_type = point,lon = lon,provider = spatial,lat = lat} 与有效存储的配置不匹配: {geometry_type = point,lon = lon,provider = spatial,lat = lat} 'testspatial' at org.neo4j.kernel.IndexManagerImpl.assertConfigMatches(IndexManagerImpl.java:156) at org.neo4j.kernel.IndexManagerImpl.findIndexConfig(IndexManagerImpl.java:137) at org.neo4j.kernel.IndexManagerImpl.getOrCreateIndexConfig(IndexManagerImpl.java:198) at org.neo4j.kernel.IndexManagerImpl.getOrCreateNodeIndex(IndexManagerImpl.java:301) at org.neo4j.kernel.IndexManagerImpl.forNodes(IndexManagerImpl.java:289) 在TestSpatialIndexFetch.createSpatialIndex(TestSpatialIndexFetch.java:22) 在TestSpatialIndexFetch.main(TestSpatialIndexFetch.java:18) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 在java.lang.reflect.Method.invoke(Method.java:597) 在com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
如果删除数据库,则会成功创建索引。如果我现在使用此数据库来获取索引,则会失败。
有什么想法吗?
示例测试代码:
public class TestSpatialIndexFetch {
public static void main(String[] args) {
EmbeddedGraphDatabase db = new EmbeddedGraphDatabase("c://neo4jdbs//testindex");
registerShutdownHook(db);
Index<Node> index = createSpatialIndex(db, "testspatial");
}
private static Index<Node> createSpatialIndex(EmbeddedGraphDatabase db, String indexName) {
return db.index().forNodes(indexName, SpatialIndexProvider.SIMPLE_POINT_CONFIG);
}
private static void registerShutdownHook( final GraphDatabaseService graphDb )
{
Runtime.getRuntime().addShutdownHook( new Thread()
{
@Override
public void run()
{
graphDb.shutdown();
}
} );
}
}
答案 0 :(得分:2)