【发布时间】:2015-04-10 18:49:42
【问题描述】:
我正在尝试使用 2.2.0 的导入工具从 CSV 导入数据。 我一直在 messages.log 文件中遇到这个错误:
2015-02-10 16:14:44.792+0000 INFO [org.neo4j]: Import starting
2015-02-10 16:14:45.032+0000 INFO [org.neo4j]: Creating new db @ C:\path\to\file\Neo4j\test.graphdb\neostore
2015-02-10 16:14:47.727+0000 ERROR [org.neo4j]: Error during import Missing header of type START_ID
java.lang.RuntimeException: Missing header of type START_ID
at org.neo4j.unsafe.impl.batchimport.staging.StageExecution.stillExecuting(StageExecution.java:61)
at org.neo4j.unsafe.impl.batchimport.staging.ExecutionSupervisor.anyStillExecuting(ExecutionSupervisor.java:70)
at org.neo4j.unsafe.impl.batchimport.staging.ExecutionSupervisor.finishAwareSleep(ExecutionSupervisor.java:93)
at org.neo4j.unsafe.impl.batchimport.staging.ExecutionSupervisor.supervise(ExecutionSupervisor.java:55)
at org.neo4j.unsafe.impl.batchimport.ParallelBatchImporter.executeStages(ParallelBatchImporter.java:263)
at org.neo4j.unsafe.impl.batchimport.ParallelBatchImporter.doImport(ParallelBatchImporter.java:153)
at org.neo4j.tooling.ImportTool.main(ImportTool.java:213)
Caused by: org.neo4j.unsafe.impl.batchimport.input.MissingHeaderException: Missing header of type START_ID
at org.neo4j.unsafe.impl.batchimport.input.csv.DataFactories$AbstractDefaultFileHeaderParser.validateHeader(DataFactories.java:366)
at org.neo4j.unsafe.impl.batchimport.input.csv.DataFactories$AbstractDefaultFileHeaderParser.create(DataFactories.java:315)
at org.neo4j.unsafe.impl.batchimport.input.csv.InputGroupsDeserializer.createNestedIterator(InputGroupsDeserializer.java:65)
at org.neo4j.unsafe.impl.batchimport.input.csv.InputGroupsDeserializer.createNestedIterator(InputGroupsDeserializer.java:35)
at org.neo4j.helpers.collection.NestingIterator.fetchNextOrNull(NestingIterator.java:67)
at org.neo4j.helpers.collection.PrefetchingIterator.peek(PrefetchingIterator.java:60)
at org.neo4j.helpers.collection.PrefetchingIterator.hasNext(PrefetchingIterator.java:46)
at org.neo4j.unsafe.impl.batchimport.staging.IteratorBatcherStep.nextOrNull(IteratorBatcherStep.java:41)
at org.neo4j.unsafe.impl.batchimport.staging.ProducerStep.process(ProducerStep.java:72)
at org.neo4j.unsafe.impl.batchimport.staging.ProducerStep$1.run(ProducerStep.java:54)
我尝试导入的三个文件的前五行如下所示: loctest.csv
LOCATION:ID;LOC_TYPE:int;NUM_MILE:int;STREET_PRE;STREETNAME;STREETTYPE;STREETSUF;APT_NO;X_STREET;:LABEL
895WTWELFTHST;1;895;W;TWELFTH;ST;;107;;LOCATION
145SFRANKLINST;1;145;S;FRANKLIN;ST;;;;LOCATION
11735GLACIERHWY;1;11735;;GLACIER;HWY;;;;LOCATION
MENDENHALL LOOPUNIVERSITY DRRDUNIVERSITY DR;2;;;MENDENHALL LOOPUNIVERSITY DR;RD;;;UNIVERSITY DR;LOCATION
zip5.csv
ZIP5:ID;ZIP4;:LABEL
99801;;ZIP5
99824;;ZIP5
99821;;ZIP5
99803;;ZIP5
locziptest.csv
:START_ID;CITY;:END_ID;:TYPE
895WTWELFTHST;JUNEAU;99801;CITY
145SFRANKLINST;JUNEAU;99801;CITY
11735GLACIERHWY;JUNEAU;99801;CITY
MENDENHALL LOOPUNIVERSITY DRRDUNIVERSITY DR;JUNEAU;99801;CITY
有问题的文件似乎是关系文件 (locziptest.csv),但标题看起来配置正确。 ID 字段中的查找字符串有问题吗?它需要完全是数字吗?
【问题讨论】:
-
格式看起来像是在标题行中使用空格字符作为第一个字符 - 请检查这一点。如果这不是问题,请将您的确切命令行粘贴到 neo4j-import。
-
@StefanArmbruster 我不知道为什么,但是 SO 的格式会增加那个空间,我的文件没有它。我正在运行的命令是
bin\Neo4jImport.bat --into C:\Users\path\to\db --nodes loctest.csv --nodes zip5.csv --relationships locziptest.csv -
不确定,但尝试添加
--id-type STRING。 -
@StefanArmbruster 它仍然抛出相同的错误:
Missing header of type START_ID。只是不读取关系文件吗? -
@StefanArmbruster 我尝试使用一个空的关系文件运行它,该文件中只有一个标题,但仍然出现该错误。