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mavenでmaven-compiler-plugin is missingというWARNINGが出ました。
◆環境OS | Windows 7 Professional Service Pack 1 (64bit) |
---|---|
maven | 3.3.3 |
Java | 1.8.0_25 |
WARNINGの表示は次の通りです。
> mvn clean install -Dmaven.test.skip=true
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective m
odel for com.ymlib:ymlib-api:jar:0.0.3
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:m
aven-compiler-plugin is missing. @ com.ymlib:ymlib-api:[unknown-versi
on], C:\workspace\ymlib-api\pom.xml, line 16, column 15
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:m
aven-jar-plugin is missing. @ com.ymlib:ymlib-api:[unknown-version],
C:\workspace\ymlib-api\pom.xml, line 29, column 15
[WARNING]
[WARNING] It is highly recommended to fix these problems because they t
hreaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer suppor
t building such malformed projects.
[WARNING]
[INFO]
[INFO] ----------------------------------------------------------------
[INFO] Building YMLib API 0.0.3
[INFO] ----------------------------------------------------------------
[INFO]
:
略
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective m
odel for com.ymlib:ymlib-api:jar:0.0.3
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:m
aven-compiler-plugin is missing. @ com.ymlib:ymlib-api:[unknown-versi
on], C:\workspace\ymlib-api\pom.xml, line 16, column 15
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:m
aven-jar-plugin is missing. @ com.ymlib:ymlib-api:[unknown-version],
C:\workspace\ymlib-api\pom.xml, line 29, column 15
[WARNING]
[WARNING] It is highly recommended to fix these problems because they t
hreaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer suppor
t building such malformed projects.
[WARNING]
[INFO]
[INFO] ----------------------------------------------------------------
[INFO] Building YMLib API 0.0.3
[INFO] ----------------------------------------------------------------
[INFO]
:
略
build.plugins.plugin.versionが無いという警告が2件出ています。 pom.xmlを確認し、maven-compiler-pluginとmaven-jar-pluginにversionタグを追加しました。
pom.xml | ||
|
WARNINGが消えました。 いつからかversionタグを指定しなければならなくなったようです。
dependenciesの方にもversionタグを付けたmavenしなおしたら、新たにダウンロードが始まりました。
pom.xml | ||
|
versionを適当に指定するとファイルのダウロードに失敗しますので、プラグイン毎のバージョンを調べておく必要があります。
Copyright (C) 2015 ymlib.com