代码如下

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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：


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


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}

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

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