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https://issues.apache.org/jira/browse/CALCITE-3503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16973969#comment-16973969
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Vladimir Sitnikov commented on CALCITE-3503:
--------------------------------------------
Stamatis, thanks for creating a JIRA, however, I thought this fix could be
JIRAless :)
I just want to finish with Gradlefication first.
Then there's a question: how do we prevent such bugs in future? Should we set
different log levels for different CI jobs?
> NPE at VolcanoPlanner#isValid when DEBUG is enabled
> ---------------------------------------------------
>
> Key: CALCITE-3503
> URL: https://issues.apache.org/jira/browse/CALCITE-3503
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.21.0
> Reporter: Stamatis Zampetakis
> Priority: Blocker
> Fix For: 1.22.0
>
>
> The stacktrace is the following:
> {noformat}
> java.lang.NullPointerException
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.isValid(VolcanoPlanner.java:880)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:870)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:92)
> at
> org.apache.calcite.rel.AbstractRelNode.onRegister(AbstractRelNode.java:321)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.registerImpl(VolcanoPlanner.java:1701)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.setRoot(VolcanoPlanner.java:298)
> at
> org.apache.calcite.tools.Programs.lambda$standard$3(Programs.java:269)
> {noformat}
> According to [~volodymyr] this is a regression caused by CALCITE-3487.
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