Upgrade Debian: libbz2.so.1.0: cannot open shared object file

From wheeze (old stable) to stretch (current testing)
Error 1: libbz2.so.1.0: cannot open shared object file
Solution:

# ln -s /lib/i386-linux-gnu/libbz2.so.1.0 /lib/libbz2.so.1.0
# apt-key update

Error 2:

dpkg: error processing /var/cache/apt/archives/mime-support_3.54_all.deb (--unpack): triggers ci file contains unknown directive `interest-noawait'

Explanation: To use mime-support from version 3.54 onwards, dpkg from version 16.1 onwards, which supports the trigger directive ‘interest-noawait’, is needed.
Solution:

# apt-get install dpkg

Error 3:

initscripts : Breaks: nfs-common (< 1:1.2.5-3) but 1:1.2.2-4squeeze2 is to be installed

Solution:

# apt-get install nfs-common

Error 4: Could not perform immediate configuration on 'default-jre'.
Solution:

# apt-get remove default-jre-headless

Other errors: apt-get -f dist-upgrade