Solve the bin/zkServer.sh: 81: /opt/zookeeper-3.4.6/bin/zkEnv.sh: Syn for starting Zookeeper under Ubuntu

When I started Zookeeper 3.4.6 under Ubuntu, it appeared:

bin/zkServer.sh: 81: /opt/zookeeper-3.4.6/bin/zkEnv.sh: Syntax error: "(" unexpected (expecting "fi")

Various environment configurations are correct, but the startup fails.

 

reason:

Later, I found major websites and came to the conclusion that there is a problem with Ubuntu's default shell.

solve:

use:

dpkg-reconfigure dash

 

Choose NO