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From Ewa Śliwińska (JIRA) <j...@apache.org>
Subject [jira] [Updated] (MCOMPILER-375) can't use release tag on Ubuntu
Date Mon, 18 Feb 2019 13:09:00 GMT

     [ https://issues.apache.org/jira/browse/MCOMPILER-375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ewa Śliwińska updated MCOMPILER-375:
------------------------------------
    Description: 
I want to configure my Maven project to use Java 8.

Normally I do it by pasting
{code:java}
<build>
  <plugins>
    <plugin>
      <artifactId>maven-compiler-plugin</artifactId>
      <version>3.8.0</version>
      <configuration>
        <release>8</release>
      </configuration>
    </plugin>
  </plugins>
</build>{code}
into POM, and this works fine on Maven 3.5.2 on Ubuntu 18.04 with Java 10.

But when I tried to compile it using Maven 3.5.4 on Windows 10 with Java 8, it says *invalid
flag: --release*. I'm not sure when this tag was introduced, I have problems finding information
about it.

 

  was:
I want to configure my Maven project to use Java 8.

Normally I do it by pasting
{code:java}
<build>
  <plugins>
    <plugin>
      <artifactId>maven-compiler-plugin</artifactId>
      <version>3.8.0</version>
      <configuration>
        <release>8</release>
      </configuration>
    </plugin>
  </plugins>
</build>{code}
into POM, and this works fine on Maven 3.5.2 on Ubuntu 18.04 with Java 10.

But when I tried to compile it using Maven 3.5.4 on Windows 10 with Java 8, it says *invalid
flag: --release*. I'm not sure when this tag was introduced, I have problems finding information
about it.
----
Nevertheless, I don't mind (that much) using _source_ and _target_ instead of _release._
 I tried it, but then I can't compile my project because of the error related to Google Guava
Table:
{code:java}
[ERROR] /C:/Users/kresk/git/boundtest/src/main/java/Example.java:[23,61] incompatible types:
inferred type does not conform to upper bound(s)
[ERROR] inferred: com.google.common.collect.Table<java.lang.Object,java.lang.Object,java.lang.Object>
[ERROR] upper bound(s): com.google.common.collect.Table<java.lang.Object,java.lang.Object,java.lang.Object>,com.google.common.collect.Table<?
extends java.lang.Integer,? extends java.lang.Integer,? extends java.lang.Integer>,java.lang.Object{code}
I can't figure out how it's related, the only thing I know is it just compiles when using
_release_ tag.

This is the code causing error:
{code:java}
final Table<Integer, Integer, Integer> destination = HashBasedTable.create();
final Map<Integer, Integer> source = new HashMap<>();

// compiles
final Table<Integer, Integer, Integer> broker =
source.entrySet().stream().collect( Tables.toTable( e -> 0, e -> 0, e -> 0,
( e1, e2 ) -> null, HashBasedTable::create ) );
destination.putAll( broker );

// doesn't compile
destination.putAll( source.entrySet().stream().collect( Tables.toTable( e -> 0, e ->
0,
e -> 0, ( e1, e2 ) -> null, HashBasedTable::create ) ) );
{code}
Like I said, I'm not sure how it's related and I would like to focus on _release_ tag problem
here. I just attached it in case of it may help you in any way.

{color:#cccccc}Side note: please add 3.5.4 Maven version to the list of available in Jira
versions. Currently it says there is no version like this.{color}
 {color:#cccccc}After you do that, please set this bug version to 3.5.4 and delete this side
note.{color}

 


> can't use release tag on Ubuntu
> -------------------------------
>
>                 Key: MCOMPILER-375
>                 URL: https://issues.apache.org/jira/browse/MCOMPILER-375
>             Project: Maven Compiler Plugin
>          Issue Type: Bug
>    Affects Versions: 3.5
>         Environment: Maven 3.5.4 on Windows 8 with Java 8
>            Reporter: Ewa Śliwińska
>            Assignee: Robert Scholte
>            Priority: Minor
>
> I want to configure my Maven project to use Java 8.
> Normally I do it by pasting
> {code:java}
> <build>
>   <plugins>
>     <plugin>
>       <artifactId>maven-compiler-plugin</artifactId>
>       <version>3.8.0</version>
>       <configuration>
>         <release>8</release>
>       </configuration>
>     </plugin>
>   </plugins>
> </build>{code}
> into POM, and this works fine on Maven 3.5.2 on Ubuntu 18.04 with Java 10.
> But when I tried to compile it using Maven 3.5.4 on Windows 10 with Java 8, it says
*invalid flag: --release*. I'm not sure when this tag was introduced, I have problems finding
information about it.
>  



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