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re: Installing and Running Hadoop and Spark on Windows VIEW POST

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re: Sure, Here it is: Volume in drive C has no label. Volume Serial Number is 8276-D962 Directory of C:\BigData\hadoop-2.9.1\sbin 11/09/2019 09:...

So start-dfs.cmd works, but start-yarn.cmd doesn't? Weird. They're both in the same directory. That doesn't make much sense.

I'm not sure how I can help further without being at your terminal. I'd say maybe try starting from scratch? Sometimes, it's easy to miss a small step or two.

mmm well, i tried to do the same process in another machine and it happened again. The same error. The yarn daemons are not running.

I have checked different options but i have not could find any solution yet.

I don't know if yarn needs some additional installation or something like that or if there is another environment variable that i am not setting up.

I am really lost here.
What kind of command would you use in my console?

I would start from scratch, and make sure the correct version (8) of Java is installed, and re-install Hadoop. Then, I would double-check all of the environment variables.

Can you try adding the environment variables as system environment variables, rather than user environment variables? You may need to be an Administrator to do this.

If all of that checks out, and the %PATH% is correct, and all of the .cmd files are on the path, I'm not sure what else I would do. There's no reason why those commands shouldn't work if they're on the %PATH%.

I appreciate your help.

I have already added the variables to the system but the problem is still there.

I would really appreciate that you tell me If you have another ideas to solve this issue.

I think it is also weird but it seems something related to yarn. I will look for more info , more tricks and if i solve it i will post here.

Thanks so much.

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