sre*_*epo 5 java jodatime jlink maven java-9
我正在使用这个Github项目来接触Java 9中的新模块化功能.我想为项目添加依赖项并能够构建本机映像.但是,当我尝试向pom.xml添加新的依赖项,并将requires语句添加到module-info.java时,我从maven-jlink-plugin中收到以下错误:
Error: module-info.class not found for joda.time module
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我正在尝试使用它作为概念证明,我可以使用新的链接阶段部署图像,但自然我需要能够具有外部依赖性,我需要使用maven(工作约束).
对mod-jar/pom.xml的更改
...
<dependencies>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>2.9.9</version>
</dependency>
</dependencies>
...
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MOD-罐/ module-info.java
module com.soebes.nine.jar {
requires java.base;
requires joda.time;
exports com.soebes.example.nine.jar;
}
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日志:
[INFO] --- maven-jlink-plugin:3.0.0-alpha-1:jlink (default-jlink) @ mod-jlink ---
[INFO] Toolchain in maven-jlink-plugin: jlink [ /Library/Java/JavaVirtualMachines/jdk-9.0.1.jdk/Contents/Home/bin/jlink ]
[INFO] The following dependencies will be linked into the runtime image:
[INFO] -> module: com.soebes.nine.one ( /Users/sebastianrestrepo/Projects/jdk9-jlink-jmod-example/maven-example/mod-1/target/jmods/com.soebes.nine.one.jmod )
[INFO] -> module: com.soebes.nine.two ( /Users/sebastianrestrepo/Projects/jdk9-jlink-jmod-example/maven-example/mod-2/target/jmods/com.soebes.nine.two.jmod )
[INFO] -> module: com.soebes.nine.jar ( /Users/sebastianrestrepo/Projects/jdk9-jlink-jmod-example/maven-example/mod-jar/target/com.soebes.nine.jar-1.0-SNAPSHOT.jar )
[INFO] -> module: joda.time ( /Users/sebastianrestrepo/.m2/repository/joda-time/joda-time/2.9.9/joda-time-2.9.9.jar )
[ERROR]
Error: module-info.class not found for joda.time module
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] parent ............................................. SUCCESS [ 1.460 s]
[INFO] com.soebes.nine.one ................................ SUCCESS [ 2.022 s]
[INFO] com.soebes.nine.two ................................ SUCCESS [ 1.392 s]
[INFO] com.soebes.nine.jar ................................ SUCCESS [ 1.388 s]
[INFO] mod-jlink .......................................... FAILURE [ 1.061 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7.911 s
[INFO] Finished at: 2017-11-03T15:27:35-04:00
[INFO] Final Memory: 26M/981M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-jlink-plugin:3.0.0-alpha-1:jlink (default-jlink) on project mod-jlink:
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我真的很感激任何帮助.谢谢.
这与我认为的插件没什么关系.joda.time您的案例中的模块似乎是一个自动模块.
该jlink工具不支持自动模块的链接,因为它们可以依赖于类路径的任意内容,这违背了自包含Java运行时的想法.
所以有两种方法可以解决这个问题: -
(你没有自己的jar)暂时继续创造module-info.java[你可以使用jdeps的工具吧]和更新JAR [使用jar工具]与相应的编译类作为Java中9下的项目.
(您拥有依赖项)永久地将jar迁移到Java 9本身,它module-info.class在编译和打包后由它自己组成.
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