[Bug] reuseEngine may throw NullPointerException exception

[CharlieYan24]

Search before asking

• I searched the issues and found no similar issues.

Linkis Component

linkis-computation-governance

Steps to reproduce

engine.getServiceInstance() in DefaultEngineReuseService class may throw NullPointerException exception

  List<Map.Entry<ScoreServiceInstance, List<Label<?>>>> engineServiceLabelList =
        new ArrayList<>(instances.entrySet())
            .stream()
                .filter(kv -> kv.getKey().getServiceInstance().equals(engine.getServiceInstance()))
                .collect(Collectors.toList());

Expected behavior

Reuse engine suceess.

Your environment

• Linkis version used: 1.4.0
• Environment name and version:
  • cdh-5.14.2
  • hdp-3.1.5
  • hive-2.1.1
  • spark-3.2.1
  • scala-2.12.2
  • jdk 1.8.0_121
  • ....

Anything else

No response

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

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