[
https://issues.apache.org/jira/browse/CALCITE-3316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Haisheng Yuan resolved CALCITE-3316.
------------------------------------
Fix Version/s: 1.22.0
Resolution: Fixed
Fixed in
https://github.com/apache/calcite/commit/507d383a0f8db339691bb126d66c58875fd47ef8.
> Exception while deserializing LogicalCorrelate from json string
> ---------------------------------------------------------------
>
> Key: CALCITE-3316
> URL: https://issues.apache.org/jira/browse/CALCITE-3316
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Wang Yanlin
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.22.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> When deserializing LogicalCorrelate, we get
> {code:java}
> java.lang.RuntimeException: java.lang.NullPointerException
> at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:181)
> at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:125)
> at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:143)
> at
> org.apache.calcite.plan.RelWriterTest.testCorrelateQuery(RelWriterTest.java:686)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
> at
> com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
> at
> com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
> at
> com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
> Caused by: java.lang.NullPointerException
> at
> org.apache.calcite.rel.logical.LogicalCorrelate.<init>(LogicalCorrelate.java:83)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> at
> org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:261)
> at
> org.apache.calcite.rel.externalize.RelJsonReader.readRels(RelJsonReader.java:91)
> at
> org.apache.calcite.rel.externalize.RelJsonReader.read(RelJsonReader.java:85)
> at
> org.apache.calcite.plan.RelWriterTest.lambda$testCorrelateQuery$9(RelWriterTest.java:691)
> at
> org.apache.calcite.tools.Frameworks.lambda$withPlanner$0(Frameworks.java:130)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.perform(CalcitePrepareImpl.java:915)
> at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:179)
> ... 25 more
> {code}
> And, after fix the NPE, get
> {code:java}
> java.lang.RuntimeException: java.lang.ClassCastException: java.lang.String
> cannot be cast to java.util.List
> at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:181)
> at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:125)
> at org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:143)
> at
> org.apache.calcite.plan.RelWriterTest.testCorrelateQuery(RelWriterTest.java:686)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
> at
> com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
> at
> com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
> at
> com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
> Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to
> java.util.List
> at
> org.apache.calcite.rel.externalize.RelJsonReader$2.getIntegerList(RelJsonReader.java:159)
> at
> org.apache.calcite.rel.externalize.RelJsonReader$2.getBitSet(RelJsonReader.java:136)
> at
> org.apache.calcite.rel.logical.LogicalCorrelate.<init>(LogicalCorrelate.java:84)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> at
> org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:261)
> at
> org.apache.calcite.rel.externalize.RelJsonReader.readRels(RelJsonReader.java:91)
> at
> org.apache.calcite.rel.externalize.RelJsonReader.read(RelJsonReader.java:85)
> at
> org.apache.calcite.plan.RelWriterTest.lambda$testCorrelateQuery$9(RelWriterTest.java:691)
> at
> org.apache.calcite.tools.Frameworks.lambda$withPlanner$0(Frameworks.java:130)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.perform(CalcitePrepareImpl.java:915)
> at org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:179)
> ... 25 more
> {code}
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