I am trying to read an (array typed) parquet file in spark-shell (Spark 1.4.1 with Hadoop 2.6):
{code} $ bin/spark-shell log4j:WARN No appenders could be found for logger (org.apache.hadoop.metrics2.lib.MutableMetricsFactory). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info. Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties 15/09/07 13:45:22 INFO SecurityManager: Changing view acls to: hivedata 15/09/07 13:45:22 INFO SecurityManager: Changing modify acls to: hivedata 15/09/07 13:45:22 INFO SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: Set(hivedata); users with modify permissions: Set(hivedata) 15/09/07 13:45:23 INFO HttpServer: Starting HTTP Server 15/09/07 13:45:23 INFO Utils: Successfully started service 'HTTP class server' on port 43731. Welcome to ____ __ / __/__ ___ _____/ /__ _\ \/ _ \/ _ `/ __/ '_/ /___/ .__/\_,_/_/ /_/\_\ version 1.4.1 /_/ Using Scala version 2.10.4 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0) Type in expressions to have them evaluated. Type :help for more information. 15/09/07 13:45:26 INFO SparkContext: Running Spark version 1.4.1 15/09/07 13:45:26 INFO SecurityManager: Changing view acls to: hivedata 15/09/07 13:45:26 INFO SecurityManager: Changing modify acls to: hivedata 15/09/07 13:45:26 INFO SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: Set(hivedata); users with modify permissions: Set(hivedata) 15/09/07 13:45:27 INFO Slf4jLogger: Slf4jLogger started 15/09/07 13:45:27 INFO Remoting: Starting remoting 15/09/07 13:45:27 INFO Remoting: Remoting started; listening on addresses :[akka.tcp://sparkDriver@10.10.30.52:46083] 15/09/07 13:45:27 INFO Utils: Successfully started service 'sparkDriver' on port 46083. 15/09/07 13:45:27 INFO SparkEnv: Registering MapOutputTracker 15/09/07 13:45:27 INFO SparkEnv: Registering BlockManagerMaster 15/09/07 13:45:27 INFO DiskBlockManager: Created local directory at /tmp/spark-f313315a-0769-4057-835d-196cfe140a26/blockmgr-bd1b8498-9f6a-47c4-ae59-8800563f97d0 15/09/07 13:45:27 INFO MemoryStore: MemoryStore started with capacity 265.1 MB 15/09/07 13:45:27 INFO HttpFileServer: HTTP File server directory is /tmp/spark-f313315a-0769-4057-835d-196cfe140a26/httpd-3fbe0c9d-c0c5-41ef-bf72-4f0ef59bfa21 15/09/07 13:45:27 INFO HttpServer: Starting HTTP Server 15/09/07 13:45:27 INFO Utils: Successfully started service 'HTTP file server' on port 38717. 15/09/07 13:45:27 INFO SparkEnv: Registering OutputCommitCoordinator 15/09/07 13:45:27 WARN Utils: Service 'SparkUI' could not bind on port 4040. Attempting port 4041. 15/09/07 13:45:27 INFO Utils: Successfully started service 'SparkUI' on port 4041. 15/09/07 13:45:27 INFO SparkUI: Started SparkUI at http://10.10.30.52:4041 15/09/07 13:45:27 INFO Executor: Starting executor ID driver on host localhost 15/09/07 13:45:27 INFO Executor: Using REPL class URI: http://10.10.30.52:43731 15/09/07 13:45:27 INFO Utils: Successfully started service 'org.apache.spark.network.netty.NettyBlockTransferService' on port 60973. 15/09/07 13:45:27 INFO NettyBlockTransferService: Server created on 60973 15/09/07 13:45:27 INFO BlockManagerMaster: Trying to register BlockManager 15/09/07 13:45:27 INFO BlockManagerMasterEndpoint: Registering block manager localhost:60973 with 265.1 MB RAM, BlockManagerId(driver, localhost, 60973) 15/09/07 13:45:27 INFO BlockManagerMaster: Registered BlockManager 15/09/07 13:45:28 INFO SparkILoop: Created spark context.. Spark context available as sc. 15/09/07 13:45:28 INFO HiveContext: Initializing execution hive, version 0.13.1 15/09/07 13:45:28 INFO HiveMetaStore: 0: Opening raw store with implemenation class:org.apache.hadoop.hive.metastore.ObjectStore 15/09/07 13:45:29 INFO ObjectStore: ObjectStore, initialize called 15/09/07 13:45:29 INFO Persistence: Property hive.metastore.integral.jdo.pushdown unknown - will be ignored 15/09/07 13:45:29 INFO Persistence: Property datanucleus.cache.level2 unknown - will be ignored 15/09/07 13:45:29 WARN Connection: BoneCP specified but not present in CLASSPATH (or one of dependencies) 15/09/07 13:45:29 WARN Connection: BoneCP specified but not present in CLASSPATH (or one of dependencies) 15/09/07 13:45:36 INFO ObjectStore: Setting MetaStore object pin classes with hive.metastore.cache.pinobjtypes="Table,StorageDescriptor,SerDeInfo,Partition,Database,Type,FieldSchema,Order" 15/09/07 13:45:36 INFO MetaStoreDirectSql: MySQL check failed, assuming we are not on mysql: Lexical error at line 1, column 5. Encountered: "@" (64), after : "". 15/09/07 13:45:37 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MFieldSchema" is tagged as "embedded-only" so does not have its own datastore table. 15/09/07 13:45:37 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MOrder" is tagged as "embedded-only" so does not have its own datastore table. 15/09/07 13:45:42 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MFieldSchema" is tagged as "embedded-only" so does not have its own datastore table. 15/09/07 13:45:42 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MOrder" is tagged as "embedded-only" so does not have its own datastore table. 15/09/07 13:45:43 INFO ObjectStore: Initialized ObjectStore 15/09/07 13:45:43 WARN ObjectStore: Version information not found in metastore. hive.metastore.schema.verification is not enabled so recording the schema version 0.13.1aa 15/09/07 13:45:44 INFO HiveMetaStore: Added admin role in metastore 15/09/07 13:45:44 INFO HiveMetaStore: Added public role in metastore 15/09/07 13:45:44 INFO HiveMetaStore: No user is added in admin role, since config is empty 15/09/07 13:45:45 INFO SessionState: No Tez session required at this point. hive.execution.engine=mr. 15/09/07 13:45:45 INFO SparkILoop: Created sql context (with Hive support).. SQL context available as sqlContext. scala> val df = sqlContext.parquetFile("stats.parquet").cache warning: there were 1 deprecation warning(s); re-run with -deprecation for details SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. 15/09/07 13:45:49 INFO HiveContext: Initializing HiveMetastoreConnection version 0.13.1 using Spark classes. 15/09/07 13:45:49 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 15/09/07 13:45:49 INFO HiveMetaStore: 0: Opening raw store with implemenation class:org.apache.hadoop.hive.metastore.ObjectStore 15/09/07 13:45:49 INFO ObjectStore: ObjectStore, initialize called 15/09/07 13:45:50 INFO Persistence: Property hive.metastore.integral.jdo.pushdown unknown - will be ignored 15/09/07 13:45:50 INFO Persistence: Property datanucleus.cache.level2 unknown - will be ignored 15/09/07 13:45:50 WARN Connection: BoneCP specified but not present in CLASSPATH (or one of dependencies) 15/09/07 13:45:50 WARN Connection: BoneCP specified but not present in CLASSPATH (or one of dependencies) 15/09/07 13:45:51 INFO ObjectStore: Setting MetaStore object pin classes with hive.metastore.cache.pinobjtypes="Table,StorageDescriptor,SerDeInfo,Partition,Database,Type,FieldSchema,Order" 15/09/07 13:45:51 INFO MetaStoreDirectSql: MySQL check failed, assuming we are not on mysql: Lexical error at line 1, column 5. Encountered: "@" (64), after : "". 15/09/07 13:45:52 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MFieldSchema" is tagged as "embedded-only" so does not have its own datastore table. 15/09/07 13:45:52 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MOrder" is tagged as "embedded-only" so does not have its own datastore table. 15/09/07 13:45:52 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MFieldSchema" is tagged as "embedded-only" so does not have its own datastore table. 15/09/07 13:45:52 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MOrder" is tagged as "embedded-only" so does not have its own datastore table. 15/09/07 13:45:52 INFO Query: Reading in results for query "org.datanucleus.store.rdbms.query.SQLQuery@0" since the connection used is closing 15/09/07 13:45:52 INFO ObjectStore: Initialized ObjectStore 15/09/07 13:45:53 INFO HiveMetaStore: Added admin role in metastore 15/09/07 13:45:53 INFO HiveMetaStore: Added public role in metastore 15/09/07 13:45:53 INFO HiveMetaStore: No user is added in admin role, since config is empty 15/09/07 13:45:53 INFO SessionState: No Tez session required at this point. hive.execution.engine=mr. 15/09/07 13:45:53 INFO MemoryStore: ensureFreeSpace(213456) called with curMem=0, maxMem=278019440 15/09/07 13:45:53 INFO MemoryStore: Block broadcast_0 stored as values in memory (estimated size 208.5 KB, free 264.9 MB) 15/09/07 13:45:53 INFO MemoryStore: ensureFreeSpace(19750) called with curMem=213456, maxMem=278019440 15/09/07 13:45:53 INFO MemoryStore: Block broadcast_0_piece0 stored as bytes in memory (estimated size 19.3 KB, free 264.9 MB) 15/09/07 13:45:53 INFO BlockManagerInfo: Added broadcast_0_piece0 in memory on localhost:60973 (size: 19.3 KB, free: 265.1 MB) 15/09/07 13:45:53 INFO SparkContext: Created broadcast 0 from cache at <console>:19 dataFrame: org.apache.spark.sql.DataFrame = [date_time: string, type: string, type_value: string, newly_observed: string, risk_score: string, dates_seen: array<string>, hosts_current: array<string>, hosts_historical: array<string>, md5s_current: array<string>, md5s_historical: array<string>, processes_current: array<string>, processes_historical: array<string>, paths_current: array<string>, paths_historical: array<string>, ports_current: array<string>, ports_historical: array<string>] scala> val values = df.first 15/09/07 13:45:58 INFO deprecation: mapred.max.split.size is deprecated. Instead, use mapreduce.input.fileinputformat.split.maxsize 15/09/07 13:45:58 INFO deprecation: mapred.min.split.size is deprecated. Instead, use mapreduce.input.fileinputformat.split.minsize 15/09/07 13:45:58 INFO ParquetRelation2$$anonfun$buildScan$1$$anon$1$$anon$2: Using Task Side Metadata Split Strategy 15/09/07 13:45:58 INFO SparkContext: Starting job: first at <console>:21 15/09/07 13:45:59 INFO DAGScheduler: Got job 0 (first at <console>:21) with 1 output partitions (allowLocal=false) 15/09/07 13:45:59 INFO DAGScheduler: Final stage: ResultStage 0(first at <console>:21) 15/09/07 13:45:59 INFO DAGScheduler: Parents of final stage: List() 15/09/07 13:45:59 INFO DAGScheduler: Missing parents: List() 15/09/07 13:45:59 INFO DAGScheduler: Submitting ResultStage 0 (MapPartitionsRDD[4] at first at <console>:21), which has no missing parents 15/09/07 13:45:59 INFO MemoryStore: ensureFreeSpace(22552) called with curMem=233206, maxMem=278019440 15/09/07 13:45:59 INFO MemoryStore: Block broadcast_1 stored as values in memory (estimated size 22.0 KB, free 264.9 MB) 15/09/07 13:45:59 INFO MemoryStore: ensureFreeSpace(8219) called with curMem=255758, maxMem=278019440 15/09/07 13:45:59 INFO MemoryStore: Block broadcast_1_piece0 stored as bytes in memory (estimated size 8.0 KB, free 264.9 MB) 15/09/07 13:45:59 INFO BlockManagerInfo: Added broadcast_1_piece0 in memory on localhost:60973 (size: 8.0 KB, free: 265.1 MB) 15/09/07 13:45:59 INFO SparkContext: Created broadcast 1 from broadcast at DAGScheduler.scala:874 15/09/07 13:45:59 INFO DAGScheduler: Submitting 1 missing tasks from ResultStage 0 (MapPartitionsRDD[4] at first at <console>:21) 15/09/07 13:45:59 INFO TaskSchedulerImpl: Adding task set 0.0 with 1 tasks 15/09/07 13:45:59 INFO TaskSetManager: Starting task 0.0 in stage 0.0 (TID 0, localhost, PROCESS_LOCAL, 1894 bytes) 15/09/07 13:45:59 INFO Executor: Running task 0.0 in stage 0.0 (TID 0) 15/09/07 13:45:59 INFO CacheManager: Partition rdd_2_0 not found, computing it 15/09/07 13:45:59 INFO ParquetRelation2$$anonfun$buildScan$1$$anon$1: Input split: ParquetInputSplit{part: file:/home/hivedata/spark-1.4.1-bin-hadoop2.6/stats.parquet start: 0 end: 2373831 length: 2373831 hosts: [] requestedSchema: message root { optional binary date_time (UTF8); optional binary type (UTF8); optional binary type_value (UTF8); optional binary newly_observed (UTF8); optional binary risk_score (UTF8); optional group dates_seen (LIST) { repeated group bag { optional binary array (UTF8); } } optional group hosts_current (LIST) { repeated group bag { optional binary array (UTF8); } } optional group hosts_historical (LIST) { repeated group bag { optional binary array (UTF8); } } optional group md5s_current (LIST) { repeated group bag { optional binary array (UTF8); } } optional group md5s_historical (LIST) { repeated group bag { optional binary array (UTF8); } } optional group processes_current (LIST) { repeated group bag { optional binary array (UTF8); } } optional group processes_historical (LIST) { repeated group bag { optional binary array (UTF8); } } optional group paths_current (LIST) { repeated group bag { optional binary array (UTF8); } } optional group paths_historical (LIST) { repeated group bag { optional binary array (UTF8); } } optional group ports_current (LIST) { repeated group bag { optional binary array (UTF8); } } optional group ports_historical (LIST) { repeated group bag { optional binary array (UTF8); } } } readSupportMetadata: {org.apache.spark.sql.parquet.row.requested_schema={"type":"struct","fields":[{"name":"date_time","type":"string","nullable":true,"metadata":{}},{"name":"type","type":"string","nullable":true,"metadata":{}},{"name":"type_value","type":"string","nullable":true,"metadata":{}},{"name":"newly_observed","type":"string","nullable":true,"metadata":{}},{"name":"risk_score","type":"string","nullable":true,"metadata":{}},{"name":"dates_seen","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"hosts_current","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"hosts_historical","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"md5s_current","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"md5s_historical","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"processes_current","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"processes_historical","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"paths_current","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"paths_historical","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"ports_current","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"ports_historical","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}}]}, org.apache.spark.sql.parquet.row.metadata={"type":"struct","fields":[{"name":"date_time","type":"string","nullable":true,"metadata":{}},{"name":"type","type":"string","nullable":true,"metadata":{}},{"name":"type_value","type":"string","nullable":true,"metadata":{}},{"name":"newly_observed","type":"string","nullable":true,"metadata":{}},{"name":"risk_score","type":"string","nullable":true,"metadata":{}},{"name":"dates_seen","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"hosts_current","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"hosts_historical","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"md5s_current","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"md5s_historical","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"processes_current","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"processes_historical","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"paths_current","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"paths_historical","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"ports_current","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}},{"name":"ports_historical","type":{"type":"array","elementType":"string","containsNull":true},"nullable":true,"metadata":{}}]}}} 15/09/07 13:45:59 ERROR Executor: Exception in task 0.0 in stage 0.0 (TID 0) parquet.io.ParquetDecodingException: Can not read value at 0 in block -1 in file file:/home/hivedata/spark-1.4.1-bin-hadoop2.6/stats.parquet at parquet.hadoop.InternalParquetRecordReader.nextKeyValue(InternalParquetRecordReader.java:213) at parquet.hadoop.ParquetRecordReader.nextKeyValue(ParquetRecordReader.java:204) at org.apache.spark.sql.sources.SqlNewHadoopRDD$$anon$1.hasNext(SqlNewHadoopRDD.scala:163) at org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:39) at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327) at org.apache.spark.sql.columnar.InMemoryRelation$$anonfun$3$$anon$1.hasNext(InMemoryColumnarTableScan.scala:160) at org.apache.spark.storage.MemoryStore.unrollSafely(MemoryStore.scala:276) at org.apache.spark.CacheManager.putInBlockManager(CacheManager.scala:171) at org.apache.spark.CacheManager.getOrCompute(CacheManager.scala:78) at org.apache.spark.rdd.RDD.iterator(RDD.scala:242) at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:277) at org.apache.spark.rdd.RDD.iterator(RDD.scala:244) at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:277) at org.apache.spark.rdd.RDD.iterator(RDD.scala:244) at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:63) at org.apache.spark.scheduler.Task.run(Task.scala:70) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:213) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:744) Caused by: java.lang.ArrayIndexOutOfBoundsException: -1 at java.util.ArrayList.elementData(ArrayList.java:403) at java.util.ArrayList.get(ArrayList.java:416) at parquet.io.GroupColumnIO.getLast(GroupColumnIO.java:95) at parquet.io.GroupColumnIO.getLast(GroupColumnIO.java:95) at parquet.io.GroupColumnIO.getLast(GroupColumnIO.java:95) at parquet.io.PrimitiveColumnIO.getLast(PrimitiveColumnIO.java:80) at parquet.io.PrimitiveColumnIO.isLast(PrimitiveColumnIO.java:74) at parquet.io.RecordReaderImplementation.<init>(RecordReaderImplementation.java:290) at parquet.io.MessageColumnIO$1.visit(MessageColumnIO.java:131) at parquet.io.MessageColumnIO$1.visit(MessageColumnIO.java:96) at parquet.filter2.compat.FilterCompat$NoOpFilter.accept(FilterCompat.java:136) at parquet.io.MessageColumnIO.getRecordReader(MessageColumnIO.java:96) at parquet.hadoop.InternalParquetRecordReader.checkRead(InternalParquetRecordReader.java:126) at parquet.hadoop.InternalParquetRecordReader.nextKeyValue(InternalParquetRecordReader.java:193) ... 21 more 15/09/07 13:45:59 WARN TaskSetManager: Lost task 0.0 in stage 0.0 (TID 0, localhost): parquet.io.ParquetDecodingException: Can not read value at 0 in block -1 in file file:/home/hivedata/spark-1.4.1-bin-hadoop2.6/stats.parquet at parquet.hadoop.InternalParquetRecordReader.nextKeyValue(InternalParquetRecordReader.java:213) at parquet.hadoop.ParquetRecordReader.nextKeyValue(ParquetRecordReader.java:204) at org.apache.spark.sql.sources.SqlNewHadoopRDD$$anon$1.hasNext(SqlNewHadoopRDD.scala:163) at org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:39) at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327) at org.apache.spark.sql.columnar.InMemoryRelation$$anonfun$3$$anon$1.hasNext(InMemoryColumnarTableScan.scala:160) at org.apache.spark.storage.MemoryStore.unrollSafely(MemoryStore.scala:276) at org.apache.spark.CacheManager.putInBlockManager(CacheManager.scala:171) at org.apache.spark.CacheManager.getOrCompute(CacheManager.scala:78) at org.apache.spark.rdd.RDD.iterator(RDD.scala:242) at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:277) at org.apache.spark.rdd.RDD.iterator(RDD.scala:244) at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35) at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:277) at org.apache.spark.rdd.RDD.iterator(RDD.scala:244) at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:63) at org.apache.spark.scheduler.Task.run(Task.scala:70) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:213) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:744) Caused by: java.lang.ArrayIndexOutOfBoundsException: -1 at java.util.ArrayList.elementData(ArrayList.java:403) at java.util.ArrayList.get(ArrayList.java:416) at parquet.io.GroupColumnIO.getLast(GroupColumnIO.java:95) at parquet.io.GroupColumnIO.getLast(GroupColumnIO.java:95) at parquet.io.GroupColumnIO.getLast(GroupColumnIO.java:95) at parquet.io.PrimitiveColumnIO.getLast(PrimitiveColumnIO.java:80) at parquet.io.PrimitiveColumnIO.isLast(PrimitiveColumnIO.java:74) at parquet.io.RecordReaderImplementation.<init>(RecordReaderImplementation.java:290) at parquet.io.MessageColumnIO$1.visit(MessageColumnIO.java:131) at parquet.io.MessageColumnIO$1.visit(MessageColumnIO.java:96) at parquet.filter2.compat.FilterCompat$NoOpFilter.accept(FilterCompat.java:136) at parquet.io.MessageColumnIO.getRecordReader(MessageColumnIO.java:96) at parquet.hadoop.InternalParquetRecordReader.checkRead(InternalParquetRecordReader.java:126) at parquet.hadoop.InternalParquetRecordReader.nextKeyValue(InternalParquetRecordReader.java:193) ... 21 more {code} The file reads fine with parquet-tools. The code has been downloaded from http://spark.apache.org/downloads.html. The code does works with non-array types. I would file a bug, but Apache JIRA refuses to register me (actually, re-register since I lost my previous account). -- ale...@gmail.com