[CALCITE-4136] ReduceExpressionsRule.FILTER_INSTANCE cannot be initialized by some JVM

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.25.0
• Component/s: core
• Assignee: Unassigned
• Reporter: Stamatis Zampetakis
• Created: 22/Jul/20 09:50
• Updated: 22/Aug/20 22:24
• Resolved: 29/Jul/20 08:28

Description

In certain JVM implementations the field cannot be initialized leading to NullPointerException when using the rule.

Few stacktraces are given below:

Caused by: java.lang.NullPointerException: at index 0
at
com.onwbp.com.google.common.collect.ObjectArrays.checkElementNotNull(ObjectArrays.java:239)
at
com.onwbp.com.google.common.collect.ObjectArrays.checkElementsNotNull(ObjectArrays.java:230)
at
com.onwbp.com.google.common.collect.ObjectArrays.checkElementsNotNull(ObjectArrays.java:225)
at
com.onwbp.com.google.common.collect.ImmutableList.construct(ImmutableList.java:281)
at
com.onwbp.com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:239)
at
com.onwbp.com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:209)
at com.onwbp.org.apache.calcite.tools.RuleSets.ofList(RuleSets.java:41)

java.lang.NullPointerException
at
org.apache.calcite.plan.AbstractRelOptPlanner.addRule(AbstractRelOptPlanner.java:147)
at
org.apache.calcite.plan.volcano.VolcanoPlanner.addRule(VolcanoPlanner.java:416)
at herddb.sql.CalcitePlanner.runPlanner(CalcitePlanner.java:576)
at herddb.sql.CalcitePlanner.translate(CalcitePlanner.java:331)
at herddb.core.TestUtils.scan(TestUtils.java:70)

Issue Links

• is related to: CALCITE-3923 Refactor how planner rules are parameterized
• is related to: CALCITE-4079 Dialect constants in SqlDialect can cause class initialization deadlock