Using plugin leads to thousands of `.class` files being generated

I've only just installed the plugin but it's been pretty unusable to me because the moment I open a project it then produces thousands of .class files and modifications to classpath files. I don't know what it's doing this based off as I get none of this behavior using IntelliJ IDEA and there doesn't seem to be any documentation of this in the readme, so I have no idea how to disable this.

Environment

• Operating System: OS X
• JDK version: 1.8
• Visual Studio Code version: 1.26
• Java extension version: 0.28

Steps To Reproduce

1. [step 1] Install extension
2. [step 2] Open Java project

该 issue 未列出文件、测试或入口点。首先，使用列出的 extension、JDK、操作系统和 VS Code 版本，按照报告中的两个步骤重现问题；调查为什么打开 Java 项目会创建 .class 文件并更改 classpath，并考虑以所请求的方式禁用或记录该行为。