Maven构建多模块项目成功，Eclipse报错

Question

注意：此题与this one类似，但那里的答案对我不起作用。

我有一个奇怪的问题：在命令行中使用Maven，我的构建是成功的，但是在Eclipse 中导入它仍然显示错误。特别是，我正在尝试构建开源 rosetta-dsl 项目，这是一个包含 Xtext 和 Xtend 文件的多模块 Maven 项目。

运行 mvn clean install 结果如下：

[INFO] Reactor Summary for com.regnosys.rosetta.parent 0.0.0.master:
[INFO]
[INFO] com.regnosys.rosetta.parent ........................ SUCCESS [  0.282 s]
[INFO] com.regnosys.rosetta.lib ........................... SUCCESS [ 17.832 s]
[INFO] com.regnosys.rosetta ............................... SUCCESS [02:22 min]
[INFO] com.regnosys.rosetta.target ........................ SUCCESS [  0.114 s]
[INFO] com.regnosys.rosetta.blueprints .................... SUCCESS [  1.168 s]
[INFO] com.regnosys.rosetta.tests ......................... SUCCESS [ 40.176 s]
[INFO] com.regnosys.rosetta.ide ........................... SUCCESS [  3.613 s]
[INFO] com.regnosys.rosetta.ui ............................ SUCCESS [  3.721 s]
[INFO] com.regnosys.rosetta.ui.tests ...................... SUCCESS [ 21.185 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  04:08 min
[INFO] Finished at: 2021-08-06T14:59:53+02:00
[INFO] ------------------------------------------------------------------------

Eclipse 显示 40 个错误，包括：

Bundle 'net.bytebuddy.byte-buddy' cannot be resolved    MANIFEST.MF /com.regnosys.rosetta.lib/META-INF  line 16 Plug-in Problem
Bundle 'org.apache.commons.lang3' cannot be resolved    MANIFEST.MF /com.regnosys.rosetta/META-INF  line 24 Plug-in Problem
Bundle 'org.mockito' cannot be resolved MANIFEST.MF /com.regnosys.rosetta.lib/META-INF  line 15 Plug-in Problem
Bundle 'org.mockito' cannot be resolved MANIFEST.MF /com.regnosys.rosetta.tests/META-INF    line 20 Plug-in Problem
Bundle 'org.objenesis' cannot be resolved   MANIFEST.MF /com.regnosys.rosetta.lib/META-INF  line 17 Plug-in Problem
Bundle org.apache.commons.lang3 cannot be resolved  build.properties    /com.regnosys.rosetta   line 21 Plug-in Problem
org.mockito.Mockito cannot be resolved to a type.   DocReferenceTest.xtend  /com.regnosys.rosetta.tests/src/com/regnosys/rosetta/generator/java/docrefs line: 19 /com.regnosys.rosetta.tests/src/com/regnosys/rosetta/generator/java/docrefs/DocReferenceTest.xtend Xtend Problem
The method mock(Class<Attribute>) is undefined  RosettaExpressionJavaGeneratorTest.xtend    /com.regnosys.rosetta.tests/src/com/regnosys/rosetta/generator/java/qualify line: 282 /com.regnosys.rosetta.tests/src/com/regnosys/rosetta/generator/java/qualify/RosettaExpressionJavaGeneratorTest.xtend  Xtend Problem
The method when(Object) is undefined    RosettaExpressionJavaGeneratorTest.xtend    /com.regnosys.rosetta.tests/src/com/regnosys/rosetta/generator/java/qualify line: 269 /com.regnosys.rosetta.tests/src/com/regnosys/rosetta/generator/java/qualify/RosettaExpressionJavaGeneratorTest.xtend  Xtend Problem

我尝试过的：

右键单击该项目并运行 Maven > 更新项目...（即 the top anwser of the similar post）
正在删除项目并将其重新导入为 Maven 项目
正在更新 Maven、m2e Eclipse 插件和 Eclipse 到最新版本
运行 mvn clean，项目 > 清理，关闭并重新打开项目，...并重建

但问题依旧，这三天无果而终，我不知道如何继续。

我不知道这个项目如何或为什么与链接问题中的不同，所以这里有更多详细信息：

> mvn --version

Apache Maven 3.8.1 (05c21c65bdfed0f71a2f2ada8b84da59348c4c5d)
Maven home: C:\Users\Thesis\apache-maven-3.8.1\bin\..
Java version: 11.0.2, vendor: Oracle Corporation, runtime: C:\Program Files\Java\jdk-11.0.2
Default locale: nl_NL, platform encoding: Cp1252
OS name: "windows 10", version: "10.0", arch: "amd64", family: "windows"

JDK Eclipse 中的合规性设置为 11
我是运行 Eclipse DSL 工具版本 2021-06 (4.20.0)

知道如何解决这个问题吗？

Answer 1

对于插件开发，Eclipse 需要配置目标平台。您可以在 com.regnosys.rosetta.target 项目中找到一个目标文件。如果您使用目标编辑器打开该文件，您将在右上角找到一个按钮，允许您将文件设置为 eclipse 中的活动目标平台。

Maven构建多模块项目成功，Eclipse报错

Maven builds multi module project succesfully, Eclipse shows errors

java

eclipse

xtext

maven

xtend