brew install hbase tries to install hadoop though already present

Question

Hadoop is already present (and has been working fine for better part of a year)

07:48:30/~:177 $which hadoop
/usr/local/Cellar/hadoop/1.2.1/libexec/bin/hadoop

But attempting to install hbase results in a hadoop dependency error:

07:48:28/~:176 $brew install hbase
==> Installing hbase dependency: hadoop
Warning: Could not link hadoop. Unlinking...
Error: Permission denied - /usr/local/bin/task-controller

Answer 1

Try the following

    $ brew upgrade hadoop
    $ brew install hbase

Answer 2

After I uninstalled hbase this particular error did not recur: instead the following happened:

https://stackoverflow.com/questions/24288842/running-hbase-on-mac-connection-reset-by-peer