[
https://issues.apache.org/jira/browse/HADOOP-17891?focusedWorklogId=648298&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-648298
]
ASF GitHub Bot logged work on HADOOP-17891:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 09/Sep/21 00:56
Start Date: 09/Sep/21 00:56
Worklog Time Spent: 10m
Work Description: sunchao commented on pull request #3385:
URL: https://github.com/apache/hadoop/pull/3385#issuecomment-915675636
Yea see that. Could you check if snappy-java will show up as transitive
dependency for hadoop-client-api?
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
Issue Time Tracking
-------------------
Worklog Id: (was: 648298)
Time Spent: 9h (was: 8h 50m)
> lz4-java and snappy-java should be excluded from relocation in shaded Hadoop
> libraries
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-17891
> URL: https://issues.apache.org/jira/browse/HADOOP-17891
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: L. C. Hsieh
> Priority: Major
> Labels: pull-request-available
> Time Spent: 9h
> Remaining Estimate: 0h
>
> lz4-java is a provided dependency. So in the shaded Hadoop libraries, e.g.
> hadoop-client-api, if we don't exclude lz4 dependency, the downstream will
> still see the exception even they include lz4 dependency.
> {code:java}
> [info] Cause: java.lang.ClassNotFoundException:
> org.apache.hadoop.shaded.net.jpountz.lz4.LZ4Factory
> [info] at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
> [info] at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
> [info] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
> [info] at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
> [info] at
> org.apache.hadoop.io.compress.lz4.Lz4Compressor.<init>(Lz4Compressor.java:66)
> [info] at
> org.apache.hadoop.io.compress.Lz4Codec.createCompressor(Lz4Codec.java:119)
> [info] at
> org.apache.hadoop.io.compress.CodecPool.getCompressor(CodecPool.java:152)
> [info] at
> org.apache.hadoop.io.compress.CodecPool.getCompressor(CodecPool.java:168)
> {code}
> Currently snappy-java is included and relocated in Hadoop shaded client
> libraries. But as it includes native methods, it should not be relocated too
> due to JNI method resolution. The downstream will see the exception:
> {code}
> [info] Cause: java.lang.UnsatisfiedLinkError:
> org.apache.hadoop.shaded.org.xerial.snappy.SnappyNative.rawCompress(Ljava/nio/ByteBuffer;IILjava/nio/ByteBuffer;I)I
> [info] at
> org.apache.hadoop.shaded.org.xerial.snappy.SnappyNative.rawCompress(Native
> Method)
>
> [info] at
> org.apache.hadoop.shaded.org.xerial.snappy.Snappy.compress(Snappy.java:151)
>
>
> [info] at
> org.apache.hadoop.io.compress.snappy.SnappyCompressor.compressDirectBuf(SnappyCompressor.java:282)
> [info] at
> org.apache.hadoop.io.compress.snappy.SnappyCompressor.compress(SnappyCompressor.java:210)
> {code}
--
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
