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[7.x][ML] Avoid NPE when node load is calculated on job assignment (#… #49214

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dimitris-athanasiou
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…49186)

This commit fixes a NPE problem as reported in #49150.
But this problem uncovered that we never added proper handling
of state for data frame analytics tasks.

In this commit we improve the MlTasks.getDataFrameAnalyticsState
method to handle null tasks and state tasks properly.

Closes #49150

Backport of #49186

…lastic#49186)

This commit fixes a NPE problem as reported in elastic#49150.
But this problem uncovered that we never added proper handling
of state for data frame analytics tasks.

In this commit we improve the `MlTasks.getDataFrameAnalyticsState`
method to handle null tasks and state tasks properly.

Closes elastic#49150

Backport of elastic#49186
@elasticmachine
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Pinging @elastic/ml-core (:ml)

@dimitris-athanasiou dimitris-athanasiou merged commit 805c31e into elastic:7.x Nov 18, 2019
@dimitris-athanasiou dimitris-athanasiou deleted the avoid-npe-when-node-load-is-calculated-on-job-assignment-7x branch November 18, 2019 08:33
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2 participants