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https://issues.apache.org/jira/browse/AVRO-2624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17114410#comment-17114410
 ] 

ASF subversion and git services commented on AVRO-2624:
-------------------------------------------------------

Commit e208f4b2d442bc14aaba3dad86e8122b83a0873c in avro's branch 
refs/heads/master from Daniel Kulp
[ https://gitbox.apache.org/repos/asf?p=avro.git;h=e208f4b ]

[AVRO-2624] Bunch of casts to just Buffer so that avro built with Java11 will 
work at runtime with Java 8.


> Avoid ByteBuffer incompatibility when compiling with JDK9+
> ----------------------------------------------------------
>
>                 Key: AVRO-2624
>                 URL: https://issues.apache.org/jira/browse/AVRO-2624
>             Project: Apache Avro
>          Issue Type: Bug
>          Components: java
>            Reporter: Michael A. Smith
>            Priority: Major
>
> Like MRESOLVER-85 and similar, the java implementation suffers from a 
> compatibility break since java 9. The problem can be seen in the PR for 
> AVRO-2603, https://github.com/apache/avro/pull/706, which fails for JAVA 11, 
> but not for 8.
> The error is:
> {noformat}
> Caused by: java.lang.NoSuchMethodError: 
> java.nio.ByteBuffer.limit(I)Ljava/nio/ByteBuffer;
>   [py-test]   at 
> org.apache.avro.io.BinaryDecoder.readBytes(BinaryDecoder.java:317)
> {noformat}
> * This should not occur when artifacts are compiled with JDK8, even if run in 
> Java 11 runtime.  i.e., This shouldn't be a big issue while maven artifacts 
> are being published with JDK8 (the lowest Java runtime version we support).
> * Likewise, this should not occur when artifacts are compiled with JDK11 
> (with {{-target 1.8}}) and run in a Java 11 runtime, as with the JAVA=11 
> build targets.
> * This *will* occur when the artifacts are compiled with JDK11 (with 
> {{-target 1.8}}) and run in a Java 8 runtime.  
> * It will be important to fix when Avro publishes artifacts built with JDK11 
> and JDK8 is still meant to be supported.



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