I have installed jasper using synaptic manager. When I tried to check the version using:

apt-cache policy jasper

this was displayed:

jasper:   Installed: (none)   
Candidate: 0.69   
Version table:      0.69 0         
500 http://in.archive.ubuntu.com/ubuntu/ trusty/main i386 Packages

I installed the software using synaptic manager. Do I need to do anything else?


It is not error 500. It is priority 500. From man apt-cache:

policy [pkg...]

policy is meant to help debug issues relating to the preferences file. With no arguments it will print out the priorities of each source. Otherwise it prints out detailed information about the priority selection of the named package.

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