apache / apache/hudi

[SUPPORT]Failed to Read .log file when i using trino to select hudi table

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component:trino
Dominant language
Java
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Description

org.apache.hudi.exception.HoodieException: Exception when constructing record reader
at org.apache.hudi.hadoop.realtime.HoodieRealtimeRecordReader.constructRecordReader(HoodieRealtimeRecordReader.java:80)
at org.apache.hudi.hadoop.realtime.HoodieRealtimeRecordReader.(HoodieRealtimeRecordReader.java:47)
at org.apache.hudi.hadoop.realtime.HoodieParquetRealtimeInputFormat.getRecordReader(HoodieParquetRealtimeInputFormat.java:85)
at io.trino.plugin.hive.util.HiveUtil.createRecordReader(HiveUtil.java:265)
at io.trino.plugin.hive.GenericHiveRecordCursorProvider.lambda$createRecordCursor$1(GenericHiveRecordCursorProvider.java:98)
at io.trino.plugin.hive.authentication.NoHdfsAuthentication.doAs(NoHdfsAuthentication.java:25)
at io.trino.plugin.hive.HdfsEnvironment.doAs(HdfsEnvironment.java:98)
at io.trino.plugin.hive.GenericHiveRecordCursorProvider.createRecordCursor(GenericHiveRecordCursorProvider.java:97)
at io.trino.plugin.hive.HivePageSourceProvider.createHivePageSource(HivePageSourceProvider.java:363)
at io.trino.plugin.hive.HivePageSourceProvider.createPageSource(HivePageSourceProvider.java:208)
at io.trino.plugin.base.classloader.ClassLoaderSafeConnectorPageSourceProvider.createPageSource(ClassLoaderSafeConnectorPageSourceProvider.java:49)
at io.trino.split.PageSourceManager.createPageSource(PageSourceManager.java:64)
at io.trino.operator.TableScanOperator.getOutput(TableScanOperator.java:308)
at io.trino.operator.Driver.processInternal(Driver.java:387)
at io.trino.operator.Driver.lambda$processFor$9(Driver.java:291)
at io.trino.operator.Driver.tryWithLock(Driver.java:683)
at io.trino.operator.Driver.processFor(Driver.java:284)
at io.trino.execution.SqlTaskExecution$DriverSplitRunner.processFor(SqlTaskExecution.java:1076)
at io.trino.execution.executor.PrioritizedSplitRunner.process(PrioritizedSplitRunner.java:163)
at io.trino.execution.executor.TaskExecutor$TaskRunner.run(TaskExecutor.java:488)
at io.trino.$gen.Trino_fb5b60f_dirty____20240620_092419_2.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.apache.hudi.exception.HoodieException: Exception when reading log file
at org.apache.hudi.common.table.log.AbstractHoodieLogRecordReader.scanInternalV1(AbstractHoodieLogRecordReader.java:414)
at org.apache.hudi.common.table.log.AbstractHoodieLogRecordReader.scanInternal(AbstractHoodieLogRecordReader.java:220)
at org.apache.hudi.common.table.log.HoodieMergedLogRecordScanner.performScan(HoodieMergedLogRecordScanner.java:201)
at org.apache.hudi.common.table.log.HoodieMergedLogRecordScanner.(HoodieMergedLogRecordScanner.java:117)
at org.apache.hudi.common.table.log.HoodieMergedLogRecordScanner.(HoodieMergedLogRecordScanner.java:76)
at org.apache.hudi.common.table.log.HoodieMergedLogRecordScanner$Builder.build(HoodieMergedLogRecordScanner.java:466)
at org.apache.hudi.hadoop.realtime.RealtimeCompactedRecordReader.getMergedLogRecordScanner(RealtimeCompactedRecordReader.java:101)
at org.apache.hudi.hadoop.realtime.RealtimeCompactedRecordReader.(RealtimeCompactedRecordReader.java:69)
at org.apache.hudi.hadoop.realtime.HoodieRealtimeRecordReader.constructRecordReader(HoodieRealtimeRecordReader.java:70)
... 23 more
Caused by: org.apache.hudi.exception.HoodieIOException: IOException when reading logblock from log file HoodieLogFile{pathStr='hdfs://ludpupgrade2ha/apps/hive/warehouse/prd_updated.db/hudia/.0344a418-e576-497f-960e-9c8b0a7d5085-0_20240618165713231.log.1_0-6294-153405', fileLen=-1}
at org.apache.hudi.common.table.log.HoodieLogFileReader.next(HoodieLogFileReader.java:397)
at org.apache.hudi.common.table.log.HoodieLogFormatReader.next(HoodieLogFormatReader.java:102)
at org.apache.hudi.common.table.log.AbstractHoodieLogRecordReader.scanInternalV1(AbstractHoodieLogRecordReader.java:254)
... 31 more
Caused by: java.io.IOException: Could not read metadata fields
at org.apache.hudi.common.table.log.block.HoodieLogBlock.getLogMetadata(HoodieLogBlock.java:266)
at org.apache.hudi.common.table.log.HoodieLogFileReader.readBlock(HoodieLogFileReader.java:184)
at org.apache.hudi.common.table.log.HoodieLogFileReader.next(HoodieLogFileReader.java:395)
... 33 more
Caused by: java.io.EOFException: undefined
at java.base/java.io.DataInputStream.readFully(DataInputStream.java:202)
at org.apache.hudi.common.table.log.block.HoodieLogBlock.getLogMetadata(HoodieLogBlock.java:260)
... 35 more

Contributor guide

No contributing guide indexed for this repository

Research direction

Start with HoodieLogBlock.getLogMetadata and HoodieLogFileReader.readBlock, which are named in the stack trace, then trace the failing metadata read through HoodieLogFileReader.next. Reproduce the Trino query against the Hudi table and inspect the referenced HDFS log file. Done means identifying and addressing the EOF failure, with a regression test if the repository provides a suitable log-reader test location.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
data-engineering
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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