error message like this:
Transformer exit code was not 0: convert: no decode delegate for this image format `JPEG' @ error/constitute.c/ReadImage/572. convert: no images defined `/tmp/Alfresco/target_8636022000770288804_VCG21gic6354592.jpg' @ error/convert.c/ConvertImageCommand/3304.
on console error message like this:
