Spark :2.4.0
Scala:2.11.12
Nebula：2.6.0
连接器：2.6.0
配置如下：
pom文件
4.0.0
com
Nebula
1.0-SNAPSHOT
2008
<scala.version>2.11.12</scala.version>
<spark.version>2.4.4</spark.version>
<nebula.version>2.6.0</nebula.version>
报错如下
Exception in thread “main” com.facebook.thrift.transport.TTransportException: java.net.UnknownHostException: metad2
at com.facebook.thrift.transport.TSocket.open(TSocket.java:206)
at com.vesoft.nebula.client.meta.MetaClient.getClient(MetaClient.java:110)
at com.vesoft.nebula.client.meta.MetaClient.freshClient(MetaClient.java:128)
at com.vesoft.nebula.client.meta.MetaClient.getSpace(MetaClient.java:190)
at com.vesoft.nebula.client.meta.MetaClient.getTag(MetaClient.java:255)
at com.vesoft.nebula.connector.nebula.MetaProvider.getTag(MetaProvider.scala:37)
at com.vesoft.nebula.connector.reader.NebulaSourceReader.getSchema(NebulaSourceReader.scala:71)
at com.vesoft.nebula.connector.reader.NebulaSourceReader.readSchema(NebulaSourceReader.scala:31)
at org.apache.spark.sql.execution.datasources.v2.DataSourceV2Relation$.create(DataSourceV2Relation.scala:175)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:204)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:167)
at com.vesoft.nebula.connector.connector.package$NebulaDataFrameReader.loadVerticesToDF(package.scala:122)
at com.test.NebulaSparkReaderExample$.readVertex(NebulaSparkReaderExample.scala:53)
at com.test.NebulaSparkReaderExample$.main(NebulaSparkReaderExample.scala:27)
at com.test.NebulaSparkReaderExample.main(NebulaSparkReaderExample.scala)
Caused by: java.net.UnknownHostException: metad2
at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:220)
at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:403)
at java.base/java.net.Socket.connect(Socket.java:608)
at com.facebook.thrift.transport.TSocket.open(TSocket.java:201)
… 14 more
22/01/29 11:50:42 INFO SparkContext: Invoking stop() from shutdown hook
22/01/29 11:50:42 INFO SparkUI: Stopped Spark web UI at http://DESKTOP-U1T3QJ9:4040
22/01/29 11:50:42 INFO MapOutputTrackerMasterEndpoint: MapOutputTrackerMasterEndpoint stopped!
22/01/29 11:50:42 INFO MemoryStore: MemoryStore cleared
22/01/29 11:50:42 INFO BlockManager: BlockManager stopped
22/01/29 11:50:42 INFO BlockManagerMaster: BlockManagerMaster stopped
22/01/29 11:50:42 INFO OutputCommitCoordinator$OutputCommitCoordinatorEndpoint: OutputCommitCoordinator stopped!
22/01/29 11:50:42 INFO SparkContext: Successfully stopped SparkContext
22/01/29 11:50:42 INFO ShutdownHookManager: Shutdown hook called
22/01/29 11:50:42 INFO ShutdownHookManager: Deleting directory C:\Users\Goyokki\AppData\Local\Temp\spark-08c4b80c-df23-40ef-a0a1-7af5a0276a24
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