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                          public void writeWithFileLock(File tempFile){
        try (FileChannel workPathResourceMd5Lock = new RandomAccessFile(tempFile,"rw").getChannel()) {
            log.info("start to lock");
            workPathResourceMd5Lock.lock(0, 10, false);
            log.info("locked");
            workPathResourceMd5Lock.truncate(0);
            workPathResourceMd5Lock.write(ByteBuffer.wrap("1111".getBytes(StandardCharsets.UTF_8)));
            Thread.sleep(10000);
        } catch (Exception ex){
            log.error("Error", ex);
        }

        try {
            log.info("finished.{}:{}", tempFile.getAbsolutePath(), FileUtils.readFileToString(tempFile, StandardCharsets.UTF_8));
        } catch (IOException e) {
            log.error("Error.", e);
        }
    }
                    </code>
                  </pre>



 
使用上述代码，多进程运行测试文件锁

 
<br />



 
表现：

 

  
1. windows下，两个进程一个先获取文件锁，进程2则等待1 try-catch段执行完成，才开始运行



  
2. idea运行到wsl上，两个进程先后进入，   文件锁未生效  



 

 
<br />



 
环境版本:

 
wsl1 on windows

 
Microsoft Windows \[版本 10.0.18362.295\]

 
wsl版本

 
>   DISTRIB_ID=Ubuntu
>
>   
> DISTRIB_RELEASE=20.04
>
>   
> DISTRIB_CODENAME=focal
>
>   
> DISTRIB_DESCRIPTION="Ubuntu 20.04.6 LTS"
>
>  

 
<br />



 
相关问题 {#%E7%9B%B8%E5%85%B3%E9%97%AE%E9%A2%98}
--------------------------------------------


 

  
1. https://github.com/microsoft/WSL/issues/1927



 

 
<br />



 
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