redhat-developer / redhat-developer/vscode-java

Maven and Java Build Status Colliding

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还没有人认领这个 Issue。

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描述

I'm not entirely sure when this started happening or if reporting this issue on the wrong Java extension, but I believe it has been at least a week or two, maybe longer. I use versions-maven-plugin from org.codehaus.mojo to automatically change my versions whenever I package my project. Up until recently, this has never been an issue.

The issue I'm experiencing is that I frequently (not always) run into an error while trying to package my project. What I believe is happening, is that vscode is automatically rebuilding as soon as it registers that the version has changed. The problem with this is I think is that Maven is still building, and they sometimes run into the issue of each messing with the same class file at the same time.

Example error:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-jar-plugin:2.4:jar (default-jar) on project osrs-core: Error assembling JAR: java.lang.reflect.InvocationTargetException: /Users/palidino/Desktop/BattleScape/server/osrs-core/target/classes/com/palidinodh/osrscore/model/item/ItemArray.class -> [Help 1]
2nd package attempt, no changes:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project osrs-core: Execution default-compile of goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile failed.: NullPointerException -> [Help 1]
3rd attempt:
No errors. Sometimes takes more attempts, sometimes less.

Environment
  • Operating System: MacOS Catalina
  • JDK version: 1.8.0_191-b12
  • Visual Studio Code version: 1.42.1
  • Java extension version: 0.57.0
Steps To Reproduce
  1. Use org.codehaus.mojo build-helper-maven-plugin and versions-maven-plugin in build plugins during package phase to update versions.
  2. When the versions get changed, the java build status server is activated while maven is still working.
  3. Sometimes get an error.

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  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

调研方向

首先,在报告中的 macOS、JDK、VS Code 和 Java 扩展版本上,使用 build-helper-maven-plugin 和 versions-maven-plugin 重现 Maven 的 package 阶段。调查 Maven 仍在运行时版本更改后 Java 构建状态服务器的激活情况;当重复执行 packaging 不再产生并发类文件错误时,该 issue 即完成。

由索引模型根据 Issue 内容生成。

评估

技术栈
java, vscode
领域
build-system, devtools
Issue 类型
缺陷
难度
4/5
预计耗时
3-5 天
活跃度
停滞
描述清晰度
需要澄清
新手友好度
30/100

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