Idea ——使用Junit+Coverage（覆盖率）报错（新版idea）_idea 上使用junit+coverage(覆盖率)报错

作者：知新_RL | 2024-02-24 22:21:09

踩

idea 上使用junit+coverage(覆盖率)报错

摘要

之前用idea写junit 查看代码覆盖率的时候遇到的问题.
java.lang.reflect.InvocationTargetException…FATAL ERROR in native method: processing of -javaagent failed
看完之后一脸蒙蔽。。。。好在问题解决了，记录一下解决方法。

遇到问题详细

stack如下


   
   
     
     
      
      
     
     
     
     
      
      
       
       java.lang.reflect.InvocationTargetException
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
       
       62)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
       
       43)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at java.lang.reflect.Method.invoke(Method.java:
       
       498)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:
       
       386)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:
       
       401)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
       Caused by: java.lang.reflect.InvocationTargetException
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
       
       62)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
       
       43)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at java.lang.reflect.Method.invoke(Method.java:
       
       498)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at com.intellij.rt.coverage.main.CoveragePremain.premain(CoveragePremain.java:
       
       66)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           ... 
       
       6 more
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
       Caused by: java.lang.ArrayIndexOutOfBoundsException: 
       
       1
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           at com.intellij.rt.coverage.instrumentation.Instrumentator.premain(Instrumentator.java:
       
       64)
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
           ... 
       
       11 more
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
       FATAL ERROR in 
       
       native method: processing of -javaagent failed
      
      
     
     

     
     
      
      
     
     
     
     
      
       
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
       Process finished with exit code 
       
       1
      
      
     
     

     
     
      
      
     
     
     
     
      
      
       
       Exception in thread 
       
       "main" 
      
      
     
     
   
   
1

解决

先看一下你自己idea.exe 的位置，这是我的E:\IntelliJ IDEA\IntelliJ IDEA 2016.1.1\bin
找到idea.exe.vmoptions这个文件(新版idea在help里面的自定义options里面修改)
记事本打开最后加入一行-Djava.io.tmpdir=F:\Temp ,这里要注意 F:\Temp 是随意写的目录，但一定要保证它存在。
重新打卡IDEA 在运行就可以啦。
有的idea工具用的idea64.exe，所以修改的文件是idea64.exe.vmoptions

参考：
https://blog.csdn.net/Demon2015/article/details/76218029

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Idea ——使用Junit+Coverage（覆盖率）报错（新版idea）_idea 上 使用junit+coverage(覆盖率)报错

摘要

遇到问题详细

解决

Idea ——使用Junit+Coverage（覆盖率）报错（新版idea）_idea 上使用junit+coverage(覆盖率)报错