[jira] [Created] (ZEPPELIN-4600) nullpoint error in the long time process use api to run a note

["tyler fan (Jira)" <ji...@apache.org>]

tyler fan created ZEPPELIN-4600:
-----------------------------------

             Summary: nullpoint error in  the long time process use api to run a note
                 Key: ZEPPELIN-4600
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-4600
             Project: Zeppelin
          Issue Type: Bug
    Affects Versions: 0.8.1
         Environment: centos 7

zeppelin 0.81

jdk 1.8-181
            Reporter: tyler fan
         Attachments: 0207-1.zip, error-screen.png

make a not with a python  and a md paragragh, 

after the note process we restart the interpreter with a sh paragragh.

 

we run the note looply by api with a sleep time like this:
{code:java}
// code placeholder

while(1):
    cmd = "curl -X POST http://192.168.56.200:8080/api/notebook/job/2F3BU3GSB"
    rs = os.system(cmd)
    print(cmd)
    print("===========================")
    print(rs)

    time.sleep(10)

{code}
 

 

it works well at begining, but after 6 hours loop the interpreter not worked with nullpoint error

the screen shot and log is in the attach file !error-screen.png!



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