NIFI ConvertExcelToCsvProcessor error -


when try using convertexceltocsvprocessor convert excel(xlsx) csv, giving error. have attached screenshot of error. please help.

here log same 10:23:26 edtwarning1a4d1c5d-1317-11fb-23b0-c2732fc64051 convertexceltocsvprocessor[id=1a4d1c5d-1317-11fb-23b0-c2732fc64051] processor administratively yielded 1 sec due processing failure

10:23:28 edterror1a4d1c5d-1317-11fb-23b0-c2732fc64051 convertexceltocsvprocessor[id=1a4d1c5d-1317-11fb-23b0-c2732fc64051] failed process incoming excel document: java.lang.nullpointerexception

10:23:28 edterror1a4d1c5d-1317-11fb-23b0-c2732fc64051 convertexceltocsvprocessor[id=1a4d1c5d-1317-11fb-23b0-c2732fc64051] convertexceltocsvprocessor[id=1a4d1c5d-1317-11fb-23b0-c2732fc64051] failed process due org.apache.nifi.processor.exception.flowfilehandlingexception: standardflowfilerecord[uuid=7709f253-3a07-47f2-84d9-c61ba162f2e7,claim=standardcontentclaim [resourceclaim=standardresourceclaim[id=1503325407951-1265, container=default, section=241], offset=0, length=2429403],offset=0,name=24182659482562736,size=2429403] transfer relationship not specified; rolling session: org.apache.nifi.processor.exception.flowfilehandlingexception: standardflowfilerecord[uuid=7709f253-3a07-47f2-84d9-c61ba162f2e7,claim=standardcontentclaim [resourceclaim=standardresourceclaim[id=1503325407951-1265, container=default, section=241], offset=0, length=2429403],offset=0,name=24182659482562736,size=2429403] transfer relationship not specified

thanks.

enter image description here

transfer relationship not specified - means did not provide relationship transfer result.


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