【问题标题】:No index provider 'spatial' found未找到索引提供程序“空间”
【发布时间】:2013-10-05 13:20:28
【问题描述】:

我试图用一个属性创建一个名为 Neo4jPoint 的类 @Indexed(indexType=IndexType.POINT, indexName="地理位置" 字符串 wkt;

当我运行我的 junit 测试用例时,它遇到了以下情况:

java.lang.IllegalArgumentException: No index provider 'spatial' found. Maybe the intended provider (or one more of its dependencies) aren't on the classpath or it failed to load.
    at org.neo4j.kernel.IndexManagerImpl.getIndexProvider(IndexManagerImpl.java:88)
    at org.neo4j.kernel.IndexManagerImpl.getOrCreateNodeIndex(IndexManagerImpl.java:303)
    at org.neo4j.kernel.IndexManagerImpl.forNodes(IndexManagerImpl.java:289)
    at org.neo4j.kernel.IndexManagerImpl.forNodes(IndexManagerImpl.java:283)
    at org.springframework.data.neo4j.support.DelegatingGraphDatabase.createIndex(DelegatingGraphDatabase.java:144)
    at org.springframework.data.neo4j.support.index.IndexProviderImpl.createIndex(IndexProviderImpl.java:93)
    at org.springframework.data.neo4j.support.index.IndexProviderImpl.getIndex(IndexProviderImpl.java:70)
    at org.springframework.data.neo4j.support.index.IndexProviderImpl.getIndex(IndexProviderImpl.java:110)
    at org.springframework.data.neo4j.support.Neo4jTemplate.getIndex(Neo4jTemplate.java:650)
    at org.springframework.data.neo4j.support.mapping.IndexCreationMappingEventListener$1.doWithPersistentProperty(IndexCreationMappingEventListener.java:51)
    at org.springframework.data.neo4j.support.mapping.IndexCreationMappingEventListener$1.doWithPersistentProperty(IndexCreationMappingEventListener.java:47)
    at org.springframework.data.mapping.model.BasicPersistentEntity.doWithProperties(BasicPersistentEntity.java:240)
    at org.springframework.data.neo4j.support.mapping.IndexCreationMappingEventListener.ensureEntityIndexes(IndexCreationMappingEventListener.java:47)
    at org.springframework.data.neo4j.support.mapping.IndexCreationMappingEventListener.onApplicationEvent(IndexCreationMappingEventListener.java:41)
    at org.springframework.data.neo4j.support.mapping.IndexCreationMappingEventListener.onApplicationEvent(IndexCreationMappingEventListener.java:31)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:97)
    at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:334)
    at org.springframework.data.mapping.context.AbstractMappingContext.addPersistentEntity(AbstractMappingContext.java:294)
    at org.springframework.data.neo4j.support.mapping.Neo4jMappingContext.addPersistentEntity(Neo4jMappingContext.java:60)
    at org.springframework.data.neo4j.support.mapping.Neo4jMappingContext.addPersistentEntity(Neo4jMappingContext.java:43)
    at org.springframework.data.mapping.context.AbstractMappingContext.getPersistentEntity(AbstractMappingContext.java:190)
    at org.springframework.data.mapping.context.AbstractMappingContext.getPersistentEntity(AbstractMappingContext.java:159)
    at org.springframework.data.neo4j.support.Neo4jTemplate.getPersistentEntity(Neo4jTemplate.java:601)
    at org.springframework.data.neo4j.support.Neo4jTemplate.getMappingPolicy(Neo4jTemplate.java:486)
    at org.springframework.data.neo4j.support.Neo4jTemplate.getMappingPolicy(Neo4jTemplate.java:656)
    at org.springframework.data.neo4j.support.Neo4jTemplate.save(Neo4jTemplate.java:293)
    at org.springframework.data.neo4j.support.Neo4jTemplate.save(Neo4jTemplate.java:287)
    at org.springframework.data.neo4j.repository.AbstractGraphRepository.save(AbstractGraphRepository.java:110)
    at com.isc.enabler.topology.impl.NodeRepositoryImpl.create(NodeRepositoryImpl.java:94)
    at com.isc.enabler.topology.impl.Neo4jLocationTest.testCreateLocation(Neo4jLocationTest.java:53)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
    at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
    at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
    at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)
    at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:88)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)
    at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

我正在使用 spring-data-neo4j 2.2.2.RELEASE

我在这里缺少什么?我试图关注“Michael Hunger 的良好关系”,但在空间部分迷路了......

非常感谢提前 大卫

【问题讨论】:

    标签: spring neo4j spatial


    【解决方案1】:

    您必须提供 neo4j-spatial 依赖项,因为它不包含在 SDN 或 Neo4j 中。

    SDN DocumentationNeo4j Spatial at GithubIncluding Neo4j Spatial with Maven

    【讨论】:

    • 非常感谢。通过在我的 pom.xml 中添加 neo4j-spatial 来解决。当我运行我的测试用例时出现另一个问题:java.lang.IllegalArgumentException: Index with the same name but different config存在!测试用例第一次通过。随后,当它尝试 deleteAll() 远程 neo4j 数据库时,会发生上述异常。有什么想法吗?
    • 如果您使用的是spring-data-neo4j-rest,您是否安装了neo4j-spatial server 插件?
    • 如果您创建两个不同类型的同名索引,则会发生异常。可能您无意中在代码中这样做了。但是我认为如果未安装服务器插件,您也可以得到该异常。如果您认为问题相关,请考虑编辑原始问题的详细信息,或者如果您认为问题不同,请“接受”答案并发布新问题。
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