Don't find the error log and why this problem?

Hi,

Here i want more explain my problem

I want use the cloudera CDH 5.8 for Talend Open Studio Big Data 6.3.0.

For this , i must to connect to hadoop manualy.

i must fill the different fields.

(picture 1) for field 1, 3 and 5 i don't have problem. i find here value on core-site.xml and mapred-site.xml.

For field 2 and 3 , i don't have her value in yarn-site.xml, i leaved the default values.
Pièce jointe 228529
When i check services, i obtain 2 error log and i can't see them.(picture 2)

Pièce jointe 228532


what do you think i should do here ?

thank you