[ https://issues.apache.org/jira/browse/FLINK-35523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jichao Wang closed FLINK-35523. ------------------------------- Fix Version/s: 2.0.0 Resolution: Fixed > When using the Hive connector to read a Hive table in Parquet format, a null > pointer exception is thrown. > --------------------------------------------------------------------------------------------------------- > > Key: FLINK-35523 > URL: https://issues.apache.org/jira/browse/FLINK-35523 > Project: Flink > Issue Type: Bug > Components: Connectors / Hive > Affects Versions: 1.16.2, 1.19.0 > Reporter: Jichao Wang > Priority: Major > Fix For: 2.0.0 > > > When using the Hive connector to read a Hive table in Parquet format, a null > pointer exception is thrown. > The exception stack information is as follows: > {noformat} > java.lang.RuntimeException: SplitFetcher thread 0 received unexpected > exception while polling the records > at > org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.runOnce(SplitFetcher.java:150) > ~[flink-connector-files-1.16.2.jar:1.16.2] > at > org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.run(SplitFetcher.java:105) > [flink-connector-files-1.16.2.jar:1.16.2] > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > [?:1.8.0_342] > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > [?:1.8.0_342] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > [?:1.8.0_342] > at > java.util.concurrent.ThreadPofileolExecutor$Worker.run(ThreadPoolExecutor.java:624) > [?:1.8.0_342] > at java.lang.Thread.run(Thread.java:750) [?:1.8.0_342] > Caused by: java.io.IOException: java.lang.IndexOutOfBoundsException: Index: > 1, Size: 1 > at > org.apache.flink.connector.file.src.impl.HdpFileSourceSplitReader.fetch(HdpFileSourceSplitReader.java:40) > ~[flink-connector-files-1.16.2.jar:1.16.2] > at > org.apache.flink.connector.base.source.reader.fetcher.FetchTask.run(FetchTask.java:58) > ~[flink-connector-files-1.16.2.jar:1.16.2] > at > org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.runOnce(SplitFetcher.java:142) > ~[flink-connector-files-1.16.2.jar:1.16.2] > ... 6 more > Caused by: java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 > at java.util.ArrayList.rangeCheck(ArrayList.java:659) ~[?:1.8.0_342] > at java.util.ArrayList.get(ArrayList.java:435) ~[?:1.8.0_342] > at > org.apache.flink.hive.shaded.parquet.schema.GroupType.getType(GroupType.java:216) > ~[flink-connector-hive_2.12-1.16.2.jar:1.16.2] > at > org.apache.flink.hive.shaded.formats.parquet.vector.ParquetSplitReaderUtil.createWritableColumnVector(ParquetSplitReaderUtil.java:536) > ~[flink-connector-hive_2.12-1.16.2.jar:1.16.2] > at > org.apache.flink.hive.shaded.formats.parquet.vector.ParquetSplitReaderUtil.createWritableColumnVector(ParquetSplitReaderUtil.java:503) > ~[flink-connector-hive_2.12-1.16.2.jar:1.16.2] > at > org.apache.flink.hive.shaded.formats.parquet.ParquetVectorizedInputFormat.createWritableVectors(ParquetVectorizedInputFormat.java:277) > ~[flink-connector-hive_2.12-1.16.2.jar:1.16.2] > at > org.apache.flink.hive.shaded.formats.parquet.ParquetVectorizedInputFormat.createReaderBatch(ParquetVectorizedInputFormat.java:266) > ~[flink-connector-hive_2.12-1.16.2.jar:1.16.2] > at > org.apache.flink.hive.shaded.formats.parquet.ParquetVectorizedInputFormat.createPoolOfBatches(ParquetVectorizedInputFormat.java:256) > ~[flink-connector-hive_2.12-1.16.2.jar:1.16.2] > at > org.apache.flink.hive.shaded.formats.parquet.ParquetVectorizedInputFormat.createReader(ParquetVectorizedInputFormat.java:139) > ~[flink-connector-hive_2.12-1.16.2.jar:1.16.2] > at > org.apache.flink.hive.shaded.formats.parquet.ParquetVectorizedInputFormat.createReader(ParquetVectorizedInputFormat.java:75) > ~[flink-connector-hive_2.12-1.16.2.jar:1.16.2] > at > org.apache.flink.connectors.hive.read.HiveInputFormat.createReader(HiveInputFormat.java:110) > ~[flink-connector-hive_2.12-1.16.2.jar:1.16.2] > at > org.apache.flink.connectors.hive.read.HiveInputFormat.createReader(HiveInputFormat.java:65) > ~[flink-connector-hive_2.12-1.16.2.jar:1.16.2] > at > org.apache.flink.connector.file.src.impl.FileSourceSplitReader.checkSplitOrStartNext(FileSourceSplitReader.java:112) > ~[flink-connector-files-1.16.2.jar:1.16.2] > at > org.apache.flink.connector.file.src.impl.FileSourceSplitReader.fetch(FileSourceSplitReader.java:65) > ~[flink-connector-files-1.16.2.jar:1.16.2] > at > org.apache.flink.connector.file.src.impl.HdpFileSourceSplitReader.lambda$fetch$0(HdpFileSourceSplitReader.java:38) > ~[flink-connector-files-1.16.2.jar:1.16.2] > at > org.apache.flink.runtime.security.SecurityUtils.runAtOneContext(SecurityUtils.java:108) > ~[flink-dist-1.16.2.jar:1.16.2] > at > org.apache.flink.connector.file.src.impl.HdpFileSourceSplitReader.fetch(HdpFileSourceSplitReader.java:38) > ~[flink-connector-files-1.16.2.jar:1.16.2] > at > org.apache.flink.connector.base.source.reader.fetcher.FetchTask.run(FetchTask.java:58) > ~[flink-connector-files-1.16.2.jar:1.16.2] > at > org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.runOnce(SplitFetcher.java:142) > ~[flink-connector-files-1.16.2.jar:1.16.2] > ... 6 more{noformat} > Here's how to reproduce: > 1. Create a parquet table parquet_array_struct in Hive > {code:sql} > create table parquet_array_struct(a array<struct<a1:int, a2:int>>) stored as > parquet; {code} > 2. Insert data into the parquet_array_struct table: > {code:sql} > insert into parquet_array_struct select array(named_struct('a1', 1, 'a2', 2)) > {code} > 3. Develop a Flink SQL task to read data from parquet_array_struct tables: > {code:java} > EnvironmentSettings settings = EnvironmentSettings.inBatchMode(); > TableEnvironment tableEnv = TableEnvironment.create(settings); > String name = "myhive"; > String defaultDatabase = "default"; > String hiveConfDir = null; > HiveCatalog hive = new HiveCatalog(name, defaultDatabase, hiveConfDir); > tableEnv.registerCatalog("myhive", hive); > // set the HiveCatalog as the current catalog of the session > tableEnv.useCatalog("myhive"); > tableEnv.useDatabase(defaultDatabase); > tableEnv.getConfig().setSqlDialect(SqlDialect.HIVE); > tableEnv.executeSql("select * from parquet_array_struct"); > {code} -- This message was sent by Atlassian Jira (v8.20.10#820010)