[FLINK-30504] Fix UnsupportedFileSystemSchemeException when writing Table Store on OSS with other engines

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: table-store-0.3.0, table-store-0.4.0
• Fix Version/s: table-store-0.3.0, table-store-0.4.0
• Component/s: Table Store
• Labels: pull-request-available
• Assignee: Caizhi Weng
• Reporter: Caizhi Weng
• Created: 26/Dec/22 09:06
• Updated: 27/Dec/22 02:14
• Resolved: 27/Dec/22 02:14

Description

Currently when writing Table Store tables on OSS with other engines (for example Spark), the following exception will occur.

22/12/23 17:54:12 WARN TaskSetManager: Lost task 0.0 in stage 3.0 (TID 3) (core-1-1.c-c9f1b761c8946269.cn-huhehaote.emr.aliyuncs.com executor 2): java.lang.RuntimeException: Failed to find latest snapshot id
  at org.apache.flink.table.store.file.utils.SnapshotManager.latestSnapshotId(SnapshotManager.java:81)
  at org.apache.flink.table.store.file.operation.AbstractFileStoreWrite.scanExistingFileMetas(AbstractFileStoreWrite.java:87)
  at org.apache.flink.table.store.file.operation.KeyValueFileStoreWrite.createWriter(KeyValueFileStoreWrite.java:113)
  at org.apache.flink.table.store.file.operation.AbstractFileStoreWrite.createWriter(AbstractFileStoreWrite.java:227)
  at org.apache.flink.table.store.file.operation.AbstractFileStoreWrite.lambda$getWriter$1(AbstractFileStoreWrite.java:217)
  at java.util.HashMap.computeIfAbsent(HashMap.java:1128)
  at org.apache.flink.table.store.file.operation.AbstractFileStoreWrite.getWriter(AbstractFileStoreWrite.java:217)
  at org.apache.flink.table.store.file.operation.AbstractFileStoreWrite.write(AbstractFileStoreWrite.java:106)
  at org.apache.flink.table.store.table.sink.TableWriteImpl.write(TableWriteImpl.java:63)
  at org.apache.flink.table.store.spark.SparkWrite$WriteRecords.call(SparkWrite.java:124)
  at org.apache.flink.table.store.spark.SparkWrite$WriteRecords.call(SparkWrite.java:105)
  at org.apache.spark.api.java.JavaPairRDD$.$anonfun$toScalaFunction$1(JavaPairRDD.scala:1070)
  at org.apache.spark.rdd.PairRDDFunctions.$anonfun$mapValues$3(PairRDDFunctions.scala:752)
  at scala.collection.Iterator$$anon$10.next(Iterator.scala:461)
  at scala.collection.Iterator$$anon$10.next(Iterator.scala:461)
  at scala.collection.Iterator.foreach(Iterator.scala:943)
  at scala.collection.Iterator.foreach$(Iterator.scala:943)
  at scala.collection.AbstractIterator.foreach(Iterator.scala:1431)
  at scala.collection.TraversableOnce.reduceLeft(TraversableOnce.scala:237)
  at scala.collection.TraversableOnce.reduceLeft$(TraversableOnce.scala:220)
  at scala.collection.AbstractIterator.reduceLeft(Iterator.scala:1431)
  at org.apache.spark.rdd.RDD.$anonfun$reduce$2(RDD.scala:1097)
  at org.apache.spark.SparkContext.$anonfun$runJob$6(SparkContext.scala:2322)
  at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
  at org.apache.spark.scheduler.Task.run(Task.scala:136)
  at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:548)
  at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1504)
  at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:551)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  at java.lang.Thread.run(Thread.java:750)
Caused by: org.apache.flink.core.fs.UnsupportedFileSystemSchemeException: Could not find a file system implementation for scheme 'oss'. The scheme is directly supported by Flink through the following plugin(s): flink-oss-fs-hadoop. Please ensure that each plugin resides within its own subfolder within the plugins directory. See https://nightlies.apache.org/flink/flink-docs-stable/docs/deployment/filesystems/plugins/ for more information. If you want to use a Hadoop file system for that scheme, please add the scheme to the configuration fs.allowed-fallback-filesystems. For a full list of supported file systems, please see https://nightlies.apache.org/flink/flink-docs-stable/ops/filesystems/.
  at org.apache.flink.core.fs.FileSystem.getUnguardedFileSystem(FileSystem.java:515)
  at org.apache.flink.core.fs.FileSystem.get(FileSystem.java:409)
  at org.apache.flink.core.fs.Path.getFileSystem(Path.java:274)
  at org.apache.flink.table.store.file.utils.SnapshotManager.findLatest(SnapshotManager.java:164)
  at org.apache.flink.table.store.file.utils.SnapshotManager.latestSnapshotId(SnapshotManager.java:79)
  ... 30 more

Issue Links

• links to: GitHub Pull Request #444