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https://issues.apache.org/jira/browse/HIVE-20008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16525352#comment-16525352
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Vineet Garg commented on HIVE-20008:
------------------------------------
I have been bumping into this too. +1 pending tests.
> Fix second compilation errors in ql
> -----------------------------------
>
> Key: HIVE-20008
> URL: https://issues.apache.org/jira/browse/HIVE-20008
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-20008.01.patch
>
>
> I'm bumping into this a lot lately....and I've just had enough from removing
> my {{ql/target/classes} dir by hand and building again..
> executing the following script:
> {code}
> git clean -dfx
> mvn install -pl ql -DskipTests -am
> echo >>
> ql/src/java/org/apache/hadoop/hive/ql/parse/UpdateDeleteSemanticAnalyzer.java
> mvn install -pl ql -DskipTests
> {code}
> results in a compilation error; probably because incremental compilation have
> some issues keeping track the template arguments...
> {code}
> pile) on project hive-exec: Compilation failure: Compilation failure:
> [ERROR]
> /mnt/work/hwx/hive/master/ql/src/java/org/apache/hadoop/hive/ql/parse/UpdateDeleteSemanticAnalyzer.java:[217,22]
> 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>>
> [ERROR]
> /mnt/work/hwx/hive/master/ql/src/java/org/apache/hadoop/hive/ql/parse/UpdateDeleteSemanticAnalyzer.java:[241,19]
> 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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