Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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None
Description
when deserializing of logical rel with udf operator, NPE occurs.
The exception stacktrace as follow.
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.testUdf(RelWriterTest.java:598) 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 java.util.Objects.requireNonNull(Objects.java:203) at org.apache.calcite.rex.RexCall.<init>(RexCall.java:83) at org.apache.calcite.rex.RexBuilder.makeCall(RexBuilder.java:237) at org.apache.calcite.rel.externalize.RelJson.toRex(RelJson.java:485) at org.apache.calcite.rel.externalize.RelJsonReader$2.getExpressionList(RelJsonReader.java:204) at org.apache.calcite.rel.core.Project.<init>(Project.java:100) at org.apache.calcite.rel.logical.LogicalProject.<init>(LogicalProject.java:88) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.apache.calcite.rel.externalize.RelJsonReader.readRel(RelJsonReader.java:261) at org.apache.calcite.rel.externalize.RelJsonReader.readRels(RelJsonReader.java:91) at org.apache.calcite.rel.externalize.RelJsonReader.read(RelJsonReader.java:85) at org.apache.calcite.plan.RelWriterTest.lambda$testUdf$7(RelWriterTest.java:603) at org.apache.calcite.tools.Frameworks.lambda$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