fananchong opened a new issue #505:
URL: https://github.com/apache/rocketmq-client-go/issues/505
I follow `dledger/quick_start.md` ， and exec `sh bin/dledger/fast-try.sh
start` fail
output:
```sh
bin/dledger/fast-try.sh: 23: Syntax error: "(" unexpected
```
os : Ubuntu 20.04 LTS
java:
```text
openjdk version "14.0.1" 2020-04-14
OpenJDK Runtime Environment (build 14.0.1+7-Ubuntu-1ubuntu1)
OpenJDK 64-Bit Server VM (build 14.0.1+7-Ubuntu-1ubuntu1, mixed mode,
sharing)
```
mvn:
```text
Apache Maven 3.6.3
Maven home: /usr/share/maven
Java version: 14.0.1, vendor: Private Build, runtime:
/usr/lib/jvm/java-14-openjdk-amd64
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "5.4.0-37-generic", arch: "amd64", family: "unix"
```
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