bin/runconnect.sh: 37: [[: not found

[dyrnq]

step1

git clone git@github.com:apache/rocketmq-connect.git
cd rocketmq-connect
mvn -Prelease-connect -Dmaven.test.skip=true clean package -U

step2

cd distribution/target/rocketmq-connect-0.0.1-SNAPSHOT/rocketmq-connect-0.0.1-SNAPSHOT
./bin/connect-standalone.sh
/rocketmq-connect/distribution/target/rocketmq-connect-0.0.1-SNAPSHOT/rocketmq-connect-0.0.1-SNAPSHOT/bin/runconnect.sh: 37: [[: not found
/rocketmq-connect/distribution/target/rocketmq-connect-0.0.1-SNAPSHOT/rocketmq-connect-0.0.1-SNAPSHOT/bin/runconnect.sh: 41: [[: not found
/rocketmq-connect/distribution/target/rocketmq-connect-0.0.1-SNAPSHOT/rocketmq-connect-0.0.1-SNAPSHOT/bin/runconnect.sh: 84: [[: not found
/rocketmq-connect/distribution/target/rocketmq-connect-0.0.1-SNAPSHOT/rocketmq-connect-0.0.1-SNAPSHOT/bin/runconnect.sh: 37: [[: not found
/rocketmq-connect/distribution/target/rocketmq-connect-0.0.1-SNAPSHOT/rocketmq-connect-0.0.1-SNAPSHOT/bin/runconnect.sh: 41: [[: not found
/rocketmq-connect/distribution/target/rocketmq-connect-0.0.1-SNAPSHOT/rocketmq-connect-0.0.1-SNAPSHOT/bin/runconnect.sh: 87: [[: not found
/rocketmq-connect/distribution/target/rocketmq-connect-0.0.1-SNAPSHOT/rocketmq-connect-0.0.1-SNAPSHOT/bin/runconnect.sh: 93: [: Linux: unexpected operator
/rocketmq-connect/distribution/target/rocketmq-connect-0.0.1-SNAPSHOT/rocketmq-connect-0.0.1-SNAPSHOT/bin/runconnect.sh: 37: [[: not found
/rocketmq-connect/distribution/target/rocketmq-connect-0.0.1-SNAPSHOT/rocketmq-connect-0.0.1-SNAPSHOT/bin/runconnect.sh: 41: [[: not found
/rocketmq-connect/distribution/target/rocketmq-connect-0.0.1-SNAPSHOT/rocketmq-connect-0.0.1-SNAPSHOT/bin/runconnect.sh: 110: [[: not found