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[英]Spark submit --files not working to copy truststore file to worker nodes in google dataproc
[英]Spark worker nodes unable to access file on master node
我正在嘗試通過我的 Spark Scala 代碼連接到 Presto DB,並在 EMR 集群上運行它。 我能夠創建 RDD,但是當工作節點試圖獲取數據時,代碼失敗說找不到文件(密鑰庫不存在),盡管它存在於主節點中。 有沒有辦法可以將密鑰庫文件復制到子節點? 以下是我的代碼和我正在遵循的步驟
第一步我使用以下命令將證書復制到 tmp 文件夾
s3-dist-cp --src s3://test/rootca_ca.jks --dest /tmp/
然后我用下面的命令運行下面的代碼
spark-submit --executor-memory=10G --driver-memory=10G --executor-cores=2 --jars s3://test1/jars/presto-jdbc-338-e.0.jar --class com.asurion.prestotest --master yarn s3://test1/script/prestotest.jar
package com.asurion
import org.apache.spark._
import org.apache.spark.SparkContext._
import org.apache.log4j._
import org.apache.spark.sql.SQLContext
import org.apache.spark.sql.functions._
import org.apache.spark.sql.types._
import org.apache.spark.sql.SparkSession
import org.apache.spark.storage.StorageLevel
import java.time.LocalDateTime
import java.util.concurrent._
object prestotest {
def main(args: Array[String]) {
Logger.getLogger("org").setLevel(Level.OFF)
Logger.getLogger("akka").setLevel(Level.OFF)
val conf = new SparkConf().setAppName("testapp")
val sc = new SparkContext(conf);
val sqlcontext = SparkSession.builder().getOrCreate()
val carrier_info =" select * from test_tbl "
val enrdata = sqlcontext.read.format("jdbc").option("url", "jdbc:presto://test.atlas.prd.aws.test.net:18443/hive").option("SSL","true").option("SSLTrustStorePath","/tmp/rootca_ca.jks").option("SSLTrustStorePassword","pass1").option("query", carrier_info).option("user", "user1").option("password", "pass2").option("driver", "io.prestosql.jdbc.PrestoDriver").load()
println("Writing Statistics" )
enrdata.show(5)
println("Writing done" )
}
}
錯誤:
scheduler.TaskSetManager (Logging.scala:logWarning(66)): Lost task 0.0 in stage 0.0 (TID 0, 100.64.187.253, executor 1): java.sql.SQLException: Error setting up SSL: /tmp/rootca_ca.jks (No such file or directory)
at io.prestosql.jdbc.PrestoDriverUri.setupClient(PrestoDriverUri.java:235)
at io.prestosql.jdbc.PrestoDriver.connect(PrestoDriver.java:88)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:63)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:54)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD.compute(JDBCRDD.scala:272)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:324)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:288)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:324)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:288)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:324)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:288)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:324)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:288)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
at org.apache.spark.scheduler.Task.run(Task.scala:121)
at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:408)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1360)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:414)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: io.prestosql.jdbc.$internal.client.ClientException: Error setting up SSL: /tmp/rootca_ca.jks (No such file or directory)
at io.prestosql.jdbc.$internal.client.OkHttpUtil.setupSsl(OkHttpUtil.java:241)
at io.prestosql.jdbc.PrestoDriverUri.setupClient(PrestoDriverUri.java:203)
... 23 more
Caused by: java.io.FileNotFoundException: /tmp/rootca_ca.jks (No such file or directory)
at java.io.FileInputStream.open0(Native Method)
at java.io.FileInputStream.open(FileInputStream.java:195)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at io.prestosql.jdbc.$internal.client.OkHttpUtil.loadTrustStore(OkHttpUtil.java:308)
at io.prestosql.jdbc.$internal.client.OkHttpUtil.setupSsl(OkHttpUtil.java:220)
EMR 上的 Spark 在核心節點之一(默認情況下)而不是在主代碼上創建驅動程序。
驅動程序(在 CORE 節點上)無法訪問主節點中的文件。
那么你有什么選擇 -
rootca_ca.jks
文件 ( s3 cp
) 復制到每個工作節點 (CORE & TASK),並且您不要更改程序中的任何內容s3-dist-cp
復制文件時,它會將您的文件放在 HDFS 而不是 linux 文件系統中。hdfs:///tmp/rootca_ca.jks
。s3://test/rootca_ca.jks
。選項 1:隨着時間的推移很難維護,如果您的文件需要在運行的集群上更改,您將必須在每個工作節點上手動執行。
方案二:由於HDFS是共享文件系統,你可能需要在一個地方維護文件。
選項 3:與選項 2 沒有太大區別,只是您的文件保留並從 S3 讀取。 您不必復制 HDFS 中的文件。
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