https://community.qlik.com/t5/Talend-Studio/tJavaMR-without-tHDFSInput/m-p/2272524#M49778 See <A href="https://help.talend.com/search/all?query=tJavaMR&amp;content-lang=en" rel="nofollow noopener noreferrer">https://help.talend.com/search/all?query=tJavaMR&amp;content-lang=en</A><BR />Your output from tJavaMR can be passed to tLogRow for viewing, but that means you've done your computation but not stored the data back to Hadoop. The input (read) and output (write) are interfaces to your Hadoop cluster... Mon, 17 Mar 2014 19:26:21 GMT willm1 2014-03-17T19:26:21Z https://community.qlik.com/t5/Talend-Studio/tJavaMR-without-tHDFSInput/m-p/2272523#M49777 Hello, i would like to know if it is possible to implement a job like this:<BR /><BR />tJavaMR -&gt; tLogRow<BR /><BR />Indeed, is the tHDFSinput block mandatory? <BR />Given that the map code needs an InputRowStruct value, do i have to put the output of the tHDFSinput?<BR />Thank you Sat, 16 Nov 2024 11:43:10 GMT https://community.qlik.com/t5/Talend-Studio/tJavaMR-without-tHDFSInput/m-p/2272523#M49777 _AnonymousUser 2024-11-16T11:43:10Z https://community.qlik.com/t5/Talend-Studio/tJavaMR-without-tHDFSInput/m-p/2272524#M49778 See <A href="https://help.talend.com/search/all?query=tJavaMR&amp;content-lang=en" rel="nofollow noopener noreferrer">https://help.talend.com/search/all?query=tJavaMR&amp;content-lang=en</A><BR />Your output from tJavaMR can be passed to tLogRow for viewing, but that means you've done your computation but not stored the data back to Hadoop. The input (read) and output (write) are interfaces to your Hadoop cluster... Mon, 17 Mar 2014 19:26:21 GMT https://community.qlik.com/t5/Talend-Studio/tJavaMR-without-tHDFSInput/m-p/2272524#M49778 willm1 2014-03-17T19:26:21Z