get the error: "Exception in thread "Thread-35" java.lang.NullPointerException" in davinci-docker

[DM-NUM]

I start davinci by docker, it can run successfully . But a few days, it got some error and I have to restart the docker . I don't know what the problem about it , can anyone help me ?
ps: this is the error log, thanks!

c1f00a1d4eaad4b6789e13778196cf451-rc-hk-davinci-logs (1).txt

[cabbage89]

davinci docker已经运行两年, 暂未发现问题,可以克隆代码重新构建下