crontab脚本不起作用

以下是我的job.sh文件

echo 'Job Started Running'
echo 'password' | sudo  ./logstash -f /usr/share/logstash/bin/contact-index-logstash.conf
echo 'Job Ended'

下面是我的 sudo crontab -e

* * * * *  bash ~/job.sh > ~/log.log 2>&1

以下是我的Cron身份

>  service cron status ● cron.service - Regular background program

> processing daemon    Loaded: loaded (/lib/systemd/system/cron.service;

> enabled; vendor preset: enabled)    Active: active (running) since Thu
> 2017-11-09 22:09:03 IST; 1h 40min ago

>      Docs: man:cron(8)  Main PID: 869 (cron)

>     Tasks: 1    Memory: 12.3M

>       CPU: 1min 40.378s    CGroup: /system.slice/cron.service
>            └─869 /usr/sbin/cron -f

> 
> Nov 09 23:42:01 akshay CRON[6264]: pam_unix(cron:session): session
>opened for user root by (uid=0) Nov 09 23:43:01 akshay CRON[6270]:
> pam_unix(cron:session): session opened for user root by (uid=0) 

>Nov 09 23:43:01 akshay CRON[6271]: (root) CMD (bash ~/job.sh > ~/log.log
> 2>&1) 

Nov 09 23:43:01 akshay CRON[6270]: pam_unix(cron:session):
> session closed for user root Nov 09 23:44:01 akshay CRON[6293]:
> pam_unix(cron:session): session opened for user root by (uid=0) 
Nov 09
> 23:44:01 akshay CRON[6294]: (root) CMD (bash ~/job.sh > ~/log.log
> 2>&1)

当我直接在shell上执行sh文件时，它运行时没有任何错误，但在crontab下却无法正常工作。