[ https://issues.apache.org/jira/browse/HADOOP-17241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192236#comment-17192236 ]
peter weissbrod commented on HADOOP-17241: ------------------------------------------ Further information: I've started to experience this issue in separate places. Hive 3.0.0 metastore related issues. Existing buckets (created march 2020) containing dots in the names. Creating new/external table definitions using LOCATION 's3a://...; are successful (hive seems to automatically scan the LOCATION for file stats upon creation. It makes several low-level attempts but ultimately compiles a list of files and builds statistics) After creation all calls to SELECT from the creates tables fails with {{InvalidInputException: Input path does not exist}} In this scenario I attempt to load from the created table using pyspark v3 (running example below). My takeaway from this is that going forward s3a support for buckets with dots will be flaky/unreliable at best. For those of us that have long established s3 naming conventions using dots this is a pervasive and serious development {{Welcome to ____ __ / __/__ ___ _____/ /__ _\ \/ _ \/ _ `/ __/ '_/ /___/ .__/\_,_/_/ /_/\_\ version 3.0.0 /_/ Using Scala version 2.12.10, Java HotSpot(TM) 64-Bit Server VM, 1.8.0_121 Branch HEAD Compiled by user ubuntu on 2020-06-06T11:32:25Z Revision 3fdfce3120f307147244e5eaf46d61419a723d50 Url https://gitbox.apache.org/repos/asf/spark.git # load a text file via sparkContext and ensure you can read it. This works! >>> s3File = spark.sparkContext.textFile("s3a://mybucket.with.dots/_mydir/*") >>> s3File.count() 1985 # attempt to (re) build a sql table from that same directory >>> spark.sql('drop table if exists exp.baz') DataFrame[] >>> spark.sql(""" ... create external table exp.baz (...) stored as textfile location 's3a://mybucket.with.dots/_mydir/' """) DataFrame[] >>> spark.sql('select count(*) from exp.baz').show() 20/09/07 17:14:14 WARN DAGScheduler: Creating new stage failed due to exception - job: 1 org.apache.hadoop.mapred.InvalidInputException: Input path does not exist: s3a://mybucket.with.dots/_mydir at org.apache.hadoop.mapred.FileInputFormat.singleThreadedListStatus(FileInputFormat.java:287) at org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:229) at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:315) at org.apache.spark.rdd.HadoopRDD.getPartitions(HadoopRDD.scala:205) at org.apache.spark.rdd.RDD.$anonfun$partitions$2(RDD.scala:276) at scala.Option.getOrElse(Option.scala:189) at org.apache.spark.rdd.RDD.partitions(RDD.scala:272) at org.apache.spark.rdd.MapPartitionsRDD.getPartitions(MapPartitionsRDD.scala:49) at org.apache.spark.rdd.RDD.$anonfun$partitions$2(RDD.scala:276) at scala.Option.getOrElse(Option.scala:189) at org.apache.spark.rdd.RDD.partitions(RDD.scala:272) at org.apache.spark.rdd.MapPartitionsRDD.getPartitions(MapPartitionsRDD.scala:49) at org.apache.spark.rdd.RDD.$anonfun$partitions$2(RDD.scala:276) at scala.Option.getOrElse(Option.scala:189) at org.apache.spark.rdd.RDD.partitions(RDD.scala:272) at org.apache.spark.rdd.MapPartitionsRDD.getPartitions(MapPartitionsRDD.scala:49) at org.apache.spark.rdd.RDD.$anonfun$partitions$2(RDD.scala:276) at scala.Option.getOrElse(Option.scala:189) at org.apache.spark.rdd.RDD.partitions(RDD.scala:272) at org.apache.spark.rdd.MapPartitionsRDD.getPartitions(MapPartitionsRDD.scala:49) at org.apache.spark.rdd.RDD.$anonfun$partitions$2(RDD.scala:276) at scala.Option.getOrElse(Option.scala:189) at org.apache.spark.rdd.RDD.partitions(RDD.scala:272) at org.apache.spark.rdd.MapPartitionsRDD.getPartitions(MapPartitionsRDD.scala:49) at org.apache.spark.rdd.RDD.$anonfun$partitions$2(RDD.scala:276) at scala.Option.getOrElse(Option.scala:189) at org.apache.spark.rdd.RDD.partitions(RDD.scala:272) at org.apache.spark.rdd.RDD.getNumPartitions(RDD.scala:292) at org.apache.spark.scheduler.DAGScheduler.checkBarrierStageWithNumSlots(DAGScheduler.scala:435) at org.apache.spark.scheduler.DAGScheduler.createShuffleMapStage(DAGScheduler.scala:388) at org.apache.spark.scheduler.DAGScheduler.getOrCreateShuffleMapStage(DAGScheduler.scala:358) at org.apache.spark.scheduler.DAGScheduler.$anonfun$getOrCreateParentStages$1(DAGScheduler.scala:468) at scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:238) at scala.collection.mutable.HashSet.foreach(HashSet.scala:79) at scala.collection.TraversableLike.map(TraversableLike.scala:238) at scala.collection.TraversableLike.map$(TraversableLike.scala:231) at scala.collection.mutable.AbstractSet.scala$collection$SetLike$$super$map(Set.scala:48) at scala.collection.SetLike.map(SetLike.scala:104) at scala.collection.SetLike.map$(SetLike.scala:104) at scala.collection.mutable.AbstractSet.map(Set.scala:48) at org.apache.spark.scheduler.DAGScheduler.getOrCreateParentStages(DAGScheduler.scala:467) at org.apache.spark.scheduler.DAGScheduler.createResultStage(DAGScheduler.scala:454) at org.apache.spark.scheduler.DAGScheduler.handleJobSubmitted(DAGScheduler.scala:986) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:2160) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2152) at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2141) at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:49) at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:752) at org.apache.spark.SparkContext.runJob(SparkContext.scala:2093) at org.apache.spark.SparkContext.runJob(SparkContext.scala:2114) at org.apache.spark.SparkContext.runJob(SparkContext.scala:2133) at org.apache.spark.sql.execution.SparkPlan.executeTake(SparkPlan.scala:467) at org.apache.spark.sql.execution.SparkPlan.executeTake(SparkPlan.scala:420) at org.apache.spark.sql.execution.CollectLimitExec.executeCollect(limit.scala:47) at org.apache.spark.sql.Dataset.collectFromPlan(Dataset.scala:3625) at org.apache.spark.sql.Dataset.$anonfun$head$1(Dataset.scala:2695) at org.apache.spark.sql.Dataset.$anonfun$withAction$1(Dataset.scala:3616) at org.apache.spark.sql.execution.SQLExecution$.$anonfun$withNewExecutionId$5(SQLExecution.scala:100) at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:160) at org.apache.spark.sql.execution.SQLExecution$.$anonfun$withNewExecutionId$1(SQLExecution.scala:87) at org.apache.spark.sql.SparkSession.withActive(SparkSession.scala:763) at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:64) at org.apache.spark.sql.Dataset.withAction(Dataset.scala:3614) at org.apache.spark.sql.Dataset.head(Dataset.scala:2695) at org.apache.spark.sql.Dataset.take(Dataset.scala:2902) at org.apache.spark.sql.Dataset.getRows(Dataset.scala:300) at org.apache.spark.sql.Dataset.showString(Dataset.scala:337)}} > s3a: bucket names which aren't parseable hostnames unsupported > -------------------------------------------------------------- > > Key: HADOOP-17241 > URL: https://issues.apache.org/jira/browse/HADOOP-17241 > Project: Hadoop Common > Issue Type: Bug > Components: fs/s3 > Affects Versions: 2.7.4, 3.2.0 > Reporter: Ondrej Kokes > Priority: Minor > > Hi there, > I'm using Spark to read some data from S3 and I encountered an error when > reading from a bucket that contains a period (e.g. > `s3a://okokes-test-v1.1/foo.csv`). I have close to zero Java experience, but > I've tried to trace this as well as I can. Apologies for any misunderstanding > on my part. > _Edit: the title is a little misleading - buckets can contain dots and s3a > will work, but only if these bucket names conform to hostname restrictions - > e.g. `s3a://foo.bar/bak.csv` would work, but my case - `okokes-test-v1.1` > does not, because `1` is not conform to a top level domain pattern._ > Using hadoop-aws:3.2.0, I get the following: > {code:java} > java.lang.NullPointerException: null uri host. > at java.base/java.util.Objects.requireNonNull(Objects.java:246) > at > org.apache.hadoop.fs.s3native.S3xLoginHelper.buildFSURI(S3xLoginHelper.java:71) > at org.apache.hadoop.fs.s3a.S3AFileSystem.setUri(S3AFileSystem.java:470) > at org.apache.hadoop.fs.s3a.S3AFileSystem.initialize(S3AFileSystem.java:235) > at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3303) > at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:124) > at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3352) > at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3320) > at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:479) > at org.apache.hadoop.fs.Path.getFileSystem(Path.java:361) > at > org.apache.spark.sql.execution.streaming.FileStreamSink$.hasMetadata(FileStreamSink.scala:46) > at > org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:361) > at > org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:279) > at > org.apache.spark.sql.DataFrameReader.$anonfun$load$2(DataFrameReader.scala:268) > at scala.Option.getOrElse(Option.scala:189) > at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:268) > at org.apache.spark.sql.DataFrameReader.csv(DataFrameReader.scala:705) > at org.apache.spark.sql.DataFrameReader.csv(DataFrameReader.scala:535) > ... 47 elided{code} > hadoop-aws:2.7.4 did lead to a similar outcome > {code:java} > java.lang.IllegalArgumentException: The bucketName parameter must be > specified. > at > com.amazonaws.services.s3.AmazonS3Client.assertParameterNotNull(AmazonS3Client.java:2816) > at > com.amazonaws.services.s3.AmazonS3Client.headBucket(AmazonS3Client.java:1026) > at > com.amazonaws.services.s3.AmazonS3Client.doesBucketExist(AmazonS3Client.java:994) > at org.apache.hadoop.fs.s3a.S3AFileSystem.initialize(S3AFileSystem.java:297) > at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2669) > at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:94) > at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2703) > at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2685) > at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:373) > at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295) > at > org.apache.spark.sql.execution.streaming.FileStreamSink$.hasMetadata(FileStreamSink.scala:46) > at > org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:361) > at > org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:279) > at > org.apache.spark.sql.DataFrameReader.$anonfun$load$2(DataFrameReader.scala:268) > at scala.Option.getOrElse(Option.scala:189) > at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:268) > at org.apache.spark.sql.DataFrameReader.csv(DataFrameReader.scala:705) > at org.apache.spark.sql.DataFrameReader.csv(DataFrameReader.scala:535) > ... 47 elided{code} > I investigated the issue a little bit and found buildFSURI to require the > host to be not null - [see > S3xLoginHelper.java|https://github.com/apache/hadoop/blob/trunk/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3native/S3xLoginHelper.java#L70] > - but in my case the host is null and the authority part of the URL should > be used. When I checked AWS' handling of this case, they seem to be using > authority for all s3:// paths - > [https://github.com/aws/aws-sdk-java/blob/master/aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/AmazonS3URI.java#L85]. > I verified this URI in a Scala shell (openjdk 1.8.0_252) > > {code:java} > scala> (new URI("s3a://okokes-test-v1.1/foo.csv")).getHost() > val res1: String = null > scala> (new URI("s3a://okokes-test-v1.1/foo.csv")).getAuthority() > val res2: String = okokes-test-v1.1 > {code} > > Oh and this is indeed a bucket name. Not only did I create it in the console, > but there's also enough documentation on the topic - > [https://docs.aws.amazon.com/AmazonS3/latest/dev/BucketRestrictions.html#bucketnamingrules] -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org