When performing a spark task with scala, the task and spark engine will not be released correctly if the last line is a comment.[Bug]

[SurelySomeday]

Search before asking

• [X] I searched the issues and found no similar issues.

Linkis Component

linkis-engineconnn-plugin

Steps to reproduce

1.submit a scala task

2.Observe the task log to see that the task cannot succeed for a long time

Expected behavior

Complete the task normally

Your environment

• Linkis version used: 1.0.3
• Environment name and version:
  • spark-2.4.0
  • scala-2.11.12
  • jdk 1.8.0_121

Anything else

When the last line is a comment, the task completes and the last commit is "IncompleteExecuteResponse", while the subsequent logic does not process "IncompleteExecuteResponse".

Are you willing to submit a PR?

• [X] Yes I am willing to submit a PR!

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