使用OrientDB ETL加载边缘文件

我从AWS Marketplace AMI运行OrientDB 2.1.2。我已经使用ETL来加载两组顶点。现在我试图用ETL将一个Edges文件加载到OrientDB中，并获取：IllegalArgumentException：目标顶点为空。我查看了网上的文档和一些其他示例，我的ETL配置对我来说是正确的。我希望有人可能有一个想法。使用OrientDB ETL加载边缘文件

我的两个V子类：

作者（的AuthorID，authGivenName，authSurname）和AUTHORID

摘要（abstractId）与指数abstractId

我的E指数子类

创作 - 未定义属性或索引

我的边缘文件

（AUTHORID，abstractId） - \吨与这些名字一个标题行分隔的字段

我ETL配置：

{ 
    "config": { "log":"debug"}, 
    "source" : { "file": { "path":"/root/poc1_Datasets/authAbstractEdge1.tsv" }}, 
    "extractor":{ "row":{} }, 
    "transformers":[ 
     { "csv":{ "separator": "\t" } }, 
     { "merge": { 
      "joinFieldName": "authorId", 
      "lookup":"Author.authorId" 
     } }, 
     { "vertex":{ "class":"Author" } }, 
     { "edge" : { 
      "class": "Authored", 
      "joinFieldName": "abstractId", 
      "lookup": "Abstract.abstractId", 
      "direction": "out" 
     }} 
    ], 
    "loader":{ 
    "orientdb":{ 
     "dbURL":"remote:localhost/DataSpine1", 
     "dbType":"graph", 
     "wal":false, 
     "tx":false 
    } } 
}

当我使用这个配置和文件运行ETL：

OrientDB etl v.2.1.2 (build @[email protected]) www.orientdb.com 
BEGIN ETL PROCESSOR 
[file] DEBUG Reading from file /root/poc1_Datasets/authAbstractEdge1.tsv 
[0:csv] DEBUG Transformer input: authorId abstractId 
[0:csv] DEBUG parsing=authorId abstractId 
[0:csv] DEBUG Transformer output: null 

2016-06-09 12:15:04:088 WARNI Transformer [csv] returned null, skip rest of pipeline execution [OETLPipeline][1:csv] DEBUG Transformer input: 9-s2.0-10039026700 2-s2.0-29144536313 
[1:csv] DEBUG parsing=9-s2.0-10039026700 2-s2.0-29144536313 
[1:csv] DEBUG document={authorId:9-s2.0-10039026700,abstractId:2-s2.0-29144536313} 
[1:csv] DEBUG Transformer output: {authorId:9-s2.0-10039026700,abstractId:2-s2.0-29144536313} 
[1:merge] DEBUG Transformer input: {authorId:9-s2.0-10039026700,abstractId:2-s2.0-29144536313} 
[1:merge] DEBUG joinValue=9-s2.0-10039026700, lookupResult=Author#12:10046021{authorId:9-s2.0-10039026700,authGivenName:M. A.,authSurname:Turovskaya,abstractId:2-s2.0-29144536313} v2 
[1:merge] DEBUG merged record Author#12:10046021{authorId:9-s2.0-10039026700,authGivenName:M. A.,authSurname:Turovskaya,abstractId:2-s2.0-29144536313} v2 with found record={authorId:9-s2.0-10039026700,abstractId:2-s2.0-29144536313} 
[1:merge] DEBUG Transformer output: Author#12:10046021{authorId:9-s2.0-10039026700,authGivenName:M. A.,authSurname:Turovskaya,abstractId:2-s2.0-29144536313} v2 
[1:vertex] DEBUG Transformer input: Author#12:10046021{authorId:9-s2.0-10039026700,authGivenName:M. A.,authSurname:Turovskaya,abstractId:2-s2.0-29144536313} v2 
[1:vertex] DEBUG Transformer output: v(Author)[#12:10046021] 
[1:edge] DEBUG Transformer input: v(Author)[#12:10046021] 
[1:edge] DEBUG joinCurrentValue=2-s2.0-29144536313, lookupResult=Abstract#13:16626366{abstractId:2-s2.0-29144536313} v1 
Error in Pipeline execution: java.lang.IllegalArgumentException: destination vertex is null 
java.lang.IllegalArgumentException: destination vertex is null 
    at com.tinkerpop.blueprints.impls.orient.OrientVertex.addEdge(OrientVertex.java:888) 
    at com.tinkerpop.blueprints.impls.orient.OrientVertex.addEdge(OrientVertex.java:832) 
    at com.orientechnologies.orient.etl.transformer.OEdgeTransformer.createEdge(OEdgeTransformer.java:188) 
    at com.orientechnologies.orient.etl.transformer.OEdgeTransformer.executeTransform(OEdgeTransformer.java:117) 
    at com.orientechnologies.orient.etl.transformer.OAbstractTransformer.transform(OAbstractTransformer.java:37) 
    at com.orientechnologies.orient.etl.OETLPipeline.execute(OETLPipeline.java:114) 
    at com.orientechnologies.orient.etl.OETLProcessor.executeSequentially(OETLProcessor.java:487) 
    at com.orientechnologies.orient.etl.OETLProcessor.execute(OETLProcessor.java:291) 
    at com.orientechnologies.orient.etl.OETLProcessor.main(OETLProcessor.java:161) 
ETL process halted: com.orientechnologies.orient.etl.OETLProcessHaltedException: java.lang.IllegalArgumentException: destination vertex is null

当我看调试时，看起来MERGE成功找到了作者顶点，而EDGE成功找到Abstract Vertex（基于查看输出中的RID）。我很难理解为什么我得到例外。提前感谢任何指针。

来源

2016-06-09 Curt Kohler