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https://issues.apache.org/jira/browse/HIVE-25752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltan Haindrich updated HIVE-25752:
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Attachment: fixhiveparserfix.patch
> Fix incremental compilation of parser module
> --------------------------------------------
>
> Key: HIVE-25752
> URL: https://issues.apache.org/jira/browse/HIVE-25752
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: fixhiveparserfix.patch
>
>
> this issue doesn't happen all the time - but when it does its really annoying
> the problem is that the antlr files are not regenerated; however the
> "HiveParser.java Fix" is run regardless...which corrupts the java files after
> a second run and causes compilation errors
> {code}
> [INFO] --- antlr3-maven-plugin:3.5.2:antlr (default) @ hive-parser ---
> [INFO] ANTLR: Processing source directory /home/dev/hive/parser/src/java
> ANTLR Parser Generator Version 3.5.2
> Grammar
> /home/dev/hive/parser/src/java/org/apache/hadoop/hive/ql/parse/HiveLexer.g is
> up to date - build skipped
> Grammar
> /home/dev/hive/parser/src/java/org/apache/hadoop/hive/ql/parse/HiveParser.g
> is up to date - build skipped
> Grammar
> /home/dev/hive/parser/src/java/org/apache/hadoop/hive/ql/parse/HiveLexerStandard.g
> is up to date - build skipped
> Grammar
> /home/dev/hive/parser/src/java/org/apache/hadoop/hive/ql/parse/HintParser.g
> is up to date - build skipped
> [INFO]
> [INFO] --- exec-maven-plugin:3.0.0:exec (HiveParser.java fix) @ hive-parser
> ---
> [INFO]
> {code}
> erros like:
> {code}
> [ERROR]
> /home/dev/hive/parser/target/generated-sources/antlr3/org/apache/hadoop/hive/ql/parse/HiveParser.java:[50,16]
> class, interface, or enum expected
> {code}
> but I've also seen
> {code}
> [ERROR]
> /home/dev/hive/parser/target/generated-sources/antlr3/org/apache/hadoop/hive/ql/parse/HiveParser.java:[49,32]
> cannot find symbol
> [ERROR] symbol: class statement_return
> [ERROR] location: class org.apache.hadoop.hive.ql.parse.HiveParser
> [ERROR]
> /home/dev/hive/parser/target/generated-sources/antlr3/org/apache/hadoop/hive/ql/parse/HiveParserTokens.java:[13,19]
> cannot find symbol
> {code}
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