fix core dump caused by some corruption of some sort. for deleting json objs associated with a particular url.
fix core dump caused by some corruption of some sort.
for deleting json objs associated with a particular url.

1yvT0s/open-source-search-engine,gigablast/open-source-search-engine,yaolinz/open-source-search-engine,wakermahmud/open-source-search-engine,gigablast/open-source-search-engine,yaolinz/open-source-search-engine,wakermahmud/open-source-search-engine,wakermahmud/open-source-search-engine,yaolinz/open-source-search-engine,kalatestimine/open-source-search-engine,kalatestimine/open-source-search-engine,1yvT0s/open-source-search-engine,kalatestimine/open-source-search-engine,1yvT0s/open-source-search-engine,wakermahmud/open-source-search-engine,1yvT0s/open-source-search-engine,wakermahmud/open-source-search-engine,bowlofstew/open-source-search-engine,bowlofstew/open-source-search-engine,yaolinz/open-source-search-engine,kalatestimine/open-source-search-engine,MikeLx/open-source-search-engine,MikeLx/open-source-search-engine,yaolinz/open-source-search-engine,1yvT0s/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,bowlofstew/open-source-search-engine,bowlofstew/open-source-search-engine,MikeLx/open-source-search-engine,kalatestimine/open-source-search-engine,bowlofstew/open-source-search-engine,wakermahmud/open-source-search-engine,MikeLx/open-source-search-engine,1yvT0s/open-source-search-engine,MikeLx/open-source-search-engine,bowlofstew/open-source-search-engine,MikeLx/open-source-search-engine,yaolinz/open-source-search-engine,kalatestimine/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine