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https://issues.apache.org/jira/browse/HIVE-21975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Carlin updated HIVE-21975:
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Attachment: HIVE-21975.1.patch
> Fix incremental compilation
> ---------------------------
>
> Key: HIVE-21975
> URL: https://issues.apache.org/jira/browse/HIVE-21975
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Assignee: Steve Carlin
> Priority: Major
> Attachments: HIVE-21975.1.patch, HIVE-21975.patch
>
>
> we have an incremental compilation issue around SA ; mostly because of "?
> extends Serializable"
> it could be reproduced with:
> {code}
> git clean -dfx
> mvn install -pl ql -am -DskipTests
> touch `find . -name Sema*A*java` `find . -name Task*Factory.java`
> mvn install -pl ql -DskipTests
> {code}
> error is:
> {code}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-compiler-plugin:3.6.1:compile
> (default-compile) on project hive-exec: Compilation failure: Compilation
> failure:
> [ERROR]
> /mnt/work/hwx/hive/master/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java:[12573,60]
> incompatible types: java.util.List<org.apache.hadoop.hive.ql.exec.Task<?
> extends java.io.Serializable>> cannot be converted to
> java.util.List<org.apache.hadoop.hive.ql.exec.Task<?>>
> [ERROR]
> /mnt/work/hwx/hive/master/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java:[15187,49]
> incompatible types: java.util.List<org.apache.hadoop.hive.ql.exec.Task<?>>
> cannot be converted to java.util.List<org.apache.hadoop.hive.ql.exec.Task<?
> extends java.io.Serializable>>
> {code}
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