[ 
https://issues.apache.org/jira/browse/FLINK-23579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Caizhi Weng updated FLINK-23579:
--------------------------------
    Description: 
Running the sql of SELECT SHA2(CAST(NULL AS VARBINARY), CAST(NULL AS INT)) AS 
ref0 will get the error below:

{code}
java.lang.RuntimeException: Could not instantiate generated class 
'ExpressionReducer$3'

        at 
org.apache.flink.table.runtime.generated.GeneratedClass.newInstance(GeneratedClass.java:75)
        at 
org.apache.flink.table.planner.codegen.ExpressionReducer.reduce(ExpressionReducer.scala:108)
        at 
org.apache.calcite.rel.rules.ReduceExpressionsRule.reduceExpressionsInternal(ReduceExpressionsRule.java:759)
        at 
org.apache.calcite.rel.rules.ReduceExpressionsRule.reduceExpressions(ReduceExpressionsRule.java:699)
        at 
org.apache.calcite.rel.rules.ReduceExpressionsRule$ProjectReduceExpressionsRule.onMatch(ReduceExpressionsRule.java:306)
        at 
org.apache.calcite.plan.AbstractRelOptPlanner.fireRule(AbstractRelOptPlanner.java:333)
        at org.apache.calcite.plan.hep.HepPlanner.applyRule(HepPlanner.java:542)
        at 
org.apache.calcite.plan.hep.HepPlanner.applyRules(HepPlanner.java:407)
        at 
org.apache.calcite.plan.hep.HepPlanner.executeInstruction(HepPlanner.java:243)
        at 
org.apache.calcite.plan.hep.HepInstruction$RuleInstance.execute(HepInstruction.java:127)
        at 
org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:202)
        at 
org.apache.calcite.plan.hep.HepPlanner.findBestExp(HepPlanner.java:189)
        at 
org.apache.flink.table.planner.plan.optimize.program.FlinkHepProgram.optimize(FlinkHepProgram.scala:69)
        at 
org.apache.flink.table.planner.plan.optimize.program.FlinkHepRuleSetProgram.optimize(FlinkHepRuleSetProgram.scala:87)
        at 
org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:62)
        at 
org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:58)
        at 
scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
        at 
scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
        at scala.collection.Iterator$class.foreach(Iterator.scala:891)
        at scala.collection.AbstractIterator.foreach(Iterator.scala:1334)
        at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
        at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
        at 
scala.collection.TraversableOnce$class.foldLeft(TraversableOnce.scala:157)
        at scala.collection.AbstractTraversable.foldLeft(Traversable.scala:104)
        at 
org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram.optimize(FlinkChainedProgram.scala:57)
        at 
org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.optimizeTree(BatchCommonSubGraphBasedOptimizer.scala:87)
        at 
org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.org$apache$flink$table$planner$plan$optimize$BatchCommonSubGraphBasedOptimizer$$optimizeBlock(BatchCommonSubGraphBasedOptimizer.scala:58)
        at 
org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer$$anonfun$doOptimize$1.apply(BatchCommonSubGraphBasedOptimizer.scala:46)
        at 
org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer$$anonfun$doOptimize$1.apply(BatchCommonSubGraphBasedOptimizer.scala:46)
        at scala.collection.immutable.List.foreach(List.scala:392)
        at 
org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.doOptimize(BatchCommonSubGraphBasedOptimizer.scala:46)
        at 
org.apache.flink.table.planner.plan.optimize.CommonSubGraphBasedOptimizer.optimize(CommonSubGraphBasedOptimizer.scala:77)
        at 
org.apache.flink.table.planner.delegation.PlannerBase.optimize(PlannerBase.scala:282)
        at 
org.apache.flink.table.planner.delegation.PlannerBase.translate(PlannerBase.scala:165)
        at 
org.apache.flink.table.api.internal.TableEnvironmentImpl.translate(TableEnvironmentImpl.java:1702)
        at 
org.apache.flink.table.api.internal.TableEnvironmentImpl.executeQueryOperation(TableEnvironmentImpl.java:833)
        at 
org.apache.flink.table.api.internal.TableEnvironmentImpl.executeInternal(TableEnvironmentImpl.java:1301)
        at 
org.apache.flink.table.api.internal.TableImpl.execute(TableImpl.java:601)
        at 
org.apache.flink.table.planner.runtime.utils.BatchTestBase.executeQuery(BatchTestBase.scala:300)
        at 
org.apache.flink.table.planner.runtime.utils.BatchTestBase.check(BatchTestBase.scala:140)
        at 
org.apache.flink.table.planner.runtime.utils.BatchTestBase.checkResult(BatchTestBase.scala:106)
        at 
org.apache.flink.table.planner.runtime.batch.sql.CalcITCase.myTest(CalcITCase.scala:1614)
        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$1.runReflectiveCall(FrameworkMethod.java:59)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
        at 
org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:258)
        at 
org.apache.flink.util.TestNameProvider$1.evaluate(TestNameProvider.java:45)
        at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
        at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
        at 
org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
        at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
        at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
        at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
        at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
        at 
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
        at 
com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
        at 
com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
        at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
Caused by: org.apache.flink.util.FlinkRuntimeException: 
org.apache.flink.api.common.InvalidProgramException: Table program cannot be 
compiled. This is a bug. Please file an issue.
        at 
org.apache.flink.table.runtime.generated.CompileUtils.compile(CompileUtils.java:76)
        at 
org.apache.flink.table.runtime.generated.GeneratedClass.compile(GeneratedClass.java:102)
        at 
org.apache.flink.table.runtime.generated.GeneratedClass.newInstance(GeneratedClass.java:69)
        ... 74 more
Caused by: 
org.apache.flink.shaded.guava30.com.google.common.util.concurrent.UncheckedExecutionException:
 org.apache.flink.api.common.InvalidProgramException: Table program cannot be 
compiled. This is a bug. Please file an issue.
        at 
org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2051)
        at 
org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache.get(LocalCache.java:3962)
        at 
org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4859)
        at 
org.apache.flink.table.runtime.generated.CompileUtils.compile(CompileUtils.java:74)
        ... 76 more
Caused by: org.apache.flink.api.common.InvalidProgramException: Table program 
cannot be compiled. This is a bug. Please file an issue.
        at 
org.apache.flink.table.runtime.generated.CompileUtils.doCompile(CompileUtils.java:89)
        at 
org.apache.flink.table.runtime.generated.CompileUtils.lambda$compile$1(CompileUtils.java:74)
        at 
org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4864)
        at 
org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3529)
        at 
org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2278)
        at 
org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2155)
        at 
org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2045)
        ... 79 more
Caused by: org.codehaus.commons.compiler.CompileException: Line 55, Column 85: 
No applicable constructor/method found for actual parameters "byte[], 
java.security.MessageDigest"; candidates are: "public static 
org.apache.flink.table.data.binary.BinaryStringData 
org.apache.flink.table.data.binary.BinaryStringDataUtil.hash(org.apache.flink.table.data.binary.BinaryStringData,
 java.lang.String) throws java.security.NoSuchAlgorithmException", "public 
static org.apache.flink.table.data.binary.BinaryStringData 
org.apache.flink.table.data.binary.BinaryStringDataUtil.hash(org.apache.flink.table.data.binary.BinaryStringData,
 java.security.MessageDigest)"
        at 
org.codehaus.janino.UnitCompiler.compileError(UnitCompiler.java:12211)
        at 
org.codehaus.janino.UnitCompiler.findMostSpecificIInvocable(UnitCompiler.java:9263)
        at org.codehaus.janino.UnitCompiler.findIMethod(UnitCompiler.java:9123)
        at org.codehaus.janino.UnitCompiler.findIMethod(UnitCompiler.java:9025)
        at org.codehaus.janino.UnitCompiler.compileGet2(UnitCompiler.java:5062)
        at org.codehaus.janino.UnitCompiler.access$9100(UnitCompiler.java:215)
        at 
org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4423)
        at 
org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4396)
        at org.codehaus.janino.Java$MethodInvocation.accept(Java.java:5073)
        at org.codehaus.janino.UnitCompiler.compileGet(UnitCompiler.java:4396)
        at 
org.codehaus.janino.UnitCompiler.compileGetValue(UnitCompiler.java:5662)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:3792)
        at org.codehaus.janino.UnitCompiler.access$6100(UnitCompiler.java:215)
        at 
org.codehaus.janino.UnitCompiler$13.visitAssignment(UnitCompiler.java:3754)
        at 
org.codehaus.janino.UnitCompiler$13.visitAssignment(UnitCompiler.java:3734)
        at org.codehaus.janino.Java$Assignment.accept(Java.java:4477)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3734)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2360)
        at org.codehaus.janino.UnitCompiler.access$1800(UnitCompiler.java:215)
        at 
org.codehaus.janino.UnitCompiler$6.visitExpressionStatement(UnitCompiler.java:1494)
        at 
org.codehaus.janino.UnitCompiler$6.visitExpressionStatement(UnitCompiler.java:1487)
        at org.codehaus.janino.Java$ExpressionStatement.accept(Java.java:2874)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487)
        at 
org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1567)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:1553)
        at org.codehaus.janino.UnitCompiler.access$1700(UnitCompiler.java:215)
        at org.codehaus.janino.UnitCompiler$6.visitBlock(UnitCompiler.java:1493)
        at org.codehaus.janino.UnitCompiler$6.visitBlock(UnitCompiler.java:1487)
        at org.codehaus.janino.Java$Block.accept(Java.java:2779)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2476)
        at org.codehaus.janino.UnitCompiler.access$1900(UnitCompiler.java:215)
        at 
org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1495)
        at 
org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1487)
        at org.codehaus.janino.Java$IfStatement.accept(Java.java:2950)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487)
        at 
org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1567)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3388)
        at 
org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1357)
        at 
org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1330)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:822)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:432)
        at org.codehaus.janino.UnitCompiler.access$400(UnitCompiler.java:215)
        at 
org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:411)
        at 
org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:406)
        at 
org.codehaus.janino.Java$PackageMemberClassDeclaration.accept(Java.java:1414)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:406)
        at org.codehaus.janino.UnitCompiler.compileUnit(UnitCompiler.java:378)
        at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:237)
        at 
org.codehaus.janino.SimpleCompiler.compileToClassLoader(SimpleCompiler.java:465)
        at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:216)
        at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:207)
        at org.codehaus.commons.compiler.Cookable.cook(Cookable.java:80)
        at org.codehaus.commons.compiler.Cookable.cook(Cookable.java:75)
        at 
org.apache.flink.table.runtime.generated.CompileUtils.doCompile(CompileUtils.java:86)
        ... 85 more
{code}


  was:
Running the sql of SELECT SHA2(NULL, CAST(NULL AS INT)) AS ref0 will get the 
error below:

{code}
java.lang.RuntimeException: Could not instantiate generated class 
'ExpressionReducer$5'

        at 
org.apache.flink.table.runtime.generated.GeneratedClass.newInstance(GeneratedClass.java:75)
        at 
org.apache.flink.table.planner.codegen.ExpressionReducer.reduce(ExpressionReducer.scala:108)
        at 
org.apache.calcite.rel.rules.ReduceExpressionsRule.reduceExpressionsInternal(ReduceExpressionsRule.java:759)
        at 
org.apache.calcite.rel.rules.ReduceExpressionsRule.reduceExpressions(ReduceExpressionsRule.java:699)
        at 
org.apache.calcite.rel.rules.ReduceExpressionsRule$ProjectReduceExpressionsRule.onMatch(ReduceExpressionsRule.java:306)
        at 
org.apache.calcite.plan.AbstractRelOptPlanner.fireRule(AbstractRelOptPlanner.java:333)
        at org.apache.calcite.plan.hep.HepPlanner.applyRule(HepPlanner.java:542)
        at 
org.apache.calcite.plan.hep.HepPlanner.applyRules(HepPlanner.java:407)
        at 
org.apache.calcite.plan.hep.HepPlanner.executeInstruction(HepPlanner.java:243)
        at 
org.apache.calcite.plan.hep.HepInstruction$RuleInstance.execute(HepInstruction.java:127)
        at 
org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:202)
        at 
org.apache.calcite.plan.hep.HepPlanner.findBestExp(HepPlanner.java:189)
        at 
org.apache.flink.table.planner.plan.optimize.program.FlinkHepProgram.optimize(FlinkHepProgram.scala:69)
        at 
org.apache.flink.table.planner.plan.optimize.program.FlinkHepRuleSetProgram.optimize(FlinkHepRuleSetProgram.scala:87)
        at 
org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:62)
        at 
org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:58)
        at 
scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
        at 
scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
        at scala.collection.Iterator$class.foreach(Iterator.scala:891)
        at scala.collection.AbstractIterator.foreach(Iterator.scala:1334)
        at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
        at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
        at 
scala.collection.TraversableOnce$class.foldLeft(TraversableOnce.scala:157)
        at scala.collection.AbstractTraversable.foldLeft(Traversable.scala:104)
        at 
org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram.optimize(FlinkChainedProgram.scala:57)
        at 
org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.optimizeTree(BatchCommonSubGraphBasedOptimizer.scala:87)
        at 
org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.org$apache$flink$table$planner$plan$optimize$BatchCommonSubGraphBasedOptimizer$$optimizeBlock(BatchCommonSubGraphBasedOptimizer.scala:58)
        at 
org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer$$anonfun$doOptimize$1.apply(BatchCommonSubGraphBasedOptimizer.scala:46)
        at 
org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer$$anonfun$doOptimize$1.apply(BatchCommonSubGraphBasedOptimizer.scala:46)
        at 
scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
        at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
        at 
org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.doOptimize(BatchCommonSubGraphBasedOptimizer.scala:46)
        at 
org.apache.flink.table.planner.plan.optimize.CommonSubGraphBasedOptimizer.optimize(CommonSubGraphBasedOptimizer.scala:93)
        at 
org.apache.flink.table.planner.delegation.PlannerBase.optimize(PlannerBase.scala:307)
        at 
org.apache.flink.table.planner.delegation.PlannerBase.translate(PlannerBase.scala:169)
        at 
org.apache.flink.table.api.internal.TableEnvironmentImpl.translate(TableEnvironmentImpl.java:1718)
        at 
org.apache.flink.table.api.internal.TableEnvironmentImpl.executeInternal(TableEnvironmentImpl.java:803)
        at 
org.apache.flink.table.api.internal.StatementSetImpl.execute(StatementSetImpl.java:125)
        at 
org.apache.flink.table.planner.runtime.batch.sql.TableSourceITCase.testTableXiaojin(TableSourceITCase.scala:487)
        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:59)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
        at 
org.apache.flink.util.TestNameProvider$1.evaluate(TestNameProvider.java:45)
        at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
        at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
        at 
org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
        at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
        at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
        at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
        at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
        at 
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
        at 
com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
        at 
com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
        at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
Caused by: org.apache.flink.util.FlinkRuntimeException: 
org.apache.flink.api.common.InvalidProgramException: Table program cannot be 
compiled. This is a bug. Please file an issue.
        at 
org.apache.flink.table.runtime.generated.CompileUtils.compile(CompileUtils.java:76)
        at 
org.apache.flink.table.runtime.generated.GeneratedClass.compile(GeneratedClass.java:102)
        at 
org.apache.flink.table.runtime.generated.GeneratedClass.newInstance(GeneratedClass.java:69)
        ... 70 more
Caused by: 
org.apache.flink.shaded.guava18.com.google.common.util.concurrent.UncheckedExecutionException:
 org.apache.flink.api.common.InvalidProgramException: Table program cannot be 
compiled. This is a bug. Please file an issue.
        at 
org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2203)
        at 
org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache.get(LocalCache.java:3937)
        at 
org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4739)
        at 
org.apache.flink.table.runtime.generated.CompileUtils.compile(CompileUtils.java:74)
        ... 72 more
Caused by: org.apache.flink.api.common.InvalidProgramException: Table program 
cannot be compiled. This is a bug. Please file an issue.
        at 
org.apache.flink.table.runtime.generated.CompileUtils.doCompile(CompileUtils.java:89)
        at 
org.apache.flink.table.runtime.generated.CompileUtils.lambda$compile$1(CompileUtils.java:74)
        at 
org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4742)
        at 
org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3527)
        at 
org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2319)
        at 
org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2282)
        at 
org.apache.flink.shaded.guava18.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2197)
        ... 75 more
Caused by: org.codehaus.commons.compiler.CompileException: Line 55, Column 85: 
No applicable constructor/method found for actual parameters "java.lang.Object, 
java.security.MessageDigest"; candidates are: "public static 
org.apache.flink.table.data.binary.BinaryStringData 
org.apache.flink.table.data.binary.BinaryStringDataUtil.hash(org.apache.flink.table.data.binary.BinaryStringData,
 java.lang.String) throws java.security.NoSuchAlgorithmException", "public 
static org.apache.flink.table.data.binary.BinaryStringData 
org.apache.flink.table.data.binary.BinaryStringDataUtil.hash(org.apache.flink.table.data.binary.BinaryStringData,
 java.security.MessageDigest)"
        at 
org.codehaus.janino.UnitCompiler.compileError(UnitCompiler.java:12211)
        at 
org.codehaus.janino.UnitCompiler.findMostSpecificIInvocable(UnitCompiler.java:9263)
        at org.codehaus.janino.UnitCompiler.findIMethod(UnitCompiler.java:9123)
        at org.codehaus.janino.UnitCompiler.findIMethod(UnitCompiler.java:9025)
        at org.codehaus.janino.UnitCompiler.compileGet2(UnitCompiler.java:5062)
        at org.codehaus.janino.UnitCompiler.access$9100(UnitCompiler.java:215)
        at 
org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4423)
        at 
org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4396)
        at org.codehaus.janino.Java$MethodInvocation.accept(Java.java:5073)
        at org.codehaus.janino.UnitCompiler.compileGet(UnitCompiler.java:4396)
        at 
org.codehaus.janino.UnitCompiler.compileGetValue(UnitCompiler.java:5662)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:3792)
        at org.codehaus.janino.UnitCompiler.access$6100(UnitCompiler.java:215)
        at 
org.codehaus.janino.UnitCompiler$13.visitAssignment(UnitCompiler.java:3754)
        at 
org.codehaus.janino.UnitCompiler$13.visitAssignment(UnitCompiler.java:3734)
        at org.codehaus.janino.Java$Assignment.accept(Java.java:4477)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3734)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2360)
        at org.codehaus.janino.UnitCompiler.access$1800(UnitCompiler.java:215)
        at 
org.codehaus.janino.UnitCompiler$6.visitExpressionStatement(UnitCompiler.java:1494)
        at 
org.codehaus.janino.UnitCompiler$6.visitExpressionStatement(UnitCompiler.java:1487)
        at org.codehaus.janino.Java$ExpressionStatement.accept(Java.java:2874)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487)
        at 
org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1567)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:1553)
        at org.codehaus.janino.UnitCompiler.access$1700(UnitCompiler.java:215)
        at org.codehaus.janino.UnitCompiler$6.visitBlock(UnitCompiler.java:1493)
        at org.codehaus.janino.UnitCompiler$6.visitBlock(UnitCompiler.java:1487)
        at org.codehaus.janino.Java$Block.accept(Java.java:2779)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2476)
        at org.codehaus.janino.UnitCompiler.access$1900(UnitCompiler.java:215)
        at 
org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1495)
        at 
org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1487)
        at org.codehaus.janino.Java$IfStatement.accept(Java.java:2950)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487)
        at 
org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1567)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3388)
        at 
org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1357)
        at 
org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1330)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:822)
        at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:432)
        at org.codehaus.janino.UnitCompiler.access$400(UnitCompiler.java:215)
        at 
org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:411)
        at 
org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:406)
        at 
org.codehaus.janino.Java$PackageMemberClassDeclaration.accept(Java.java:1414)
        at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:406)
        at org.codehaus.janino.UnitCompiler.compileUnit(UnitCompiler.java:378)
        at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:237)
        at 
org.codehaus.janino.SimpleCompiler.compileToClassLoader(SimpleCompiler.java:465)
        at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:216)
        at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:207)
        at org.codehaus.commons.compiler.Cookable.cook(Cookable.java:80)
        at org.codehaus.commons.compiler.Cookable.cook(Cookable.java:75)
        at 
org.apache.flink.table.runtime.generated.CompileUtils.doCompile(CompileUtils.java:86)
        ... 81 more
{code}


        Summary: SELECT SHA2(CAST(NULL AS VARBINARY), CAST(NULL AS INT)) AS 
ref0 can't compile  (was: SELECT SHA2(NULL, CAST(NULL AS INT)) AS ref0 can't 
compile)

> SELECT SHA2(CAST(NULL AS VARBINARY), CAST(NULL AS INT)) AS ref0 can't compile
> -----------------------------------------------------------------------------
>
>                 Key: FLINK-23579
>                 URL: https://issues.apache.org/jira/browse/FLINK-23579
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / Runtime
>    Affects Versions: 1.14.0
>            Reporter: xiaojin.wy
>            Priority: Major
>             Fix For: 1.14.0
>
>
> Running the sql of SELECT SHA2(CAST(NULL AS VARBINARY), CAST(NULL AS INT)) AS 
> ref0 will get the error below:
> {code}
> java.lang.RuntimeException: Could not instantiate generated class 
> 'ExpressionReducer$3'
>       at 
> org.apache.flink.table.runtime.generated.GeneratedClass.newInstance(GeneratedClass.java:75)
>       at 
> org.apache.flink.table.planner.codegen.ExpressionReducer.reduce(ExpressionReducer.scala:108)
>       at 
> org.apache.calcite.rel.rules.ReduceExpressionsRule.reduceExpressionsInternal(ReduceExpressionsRule.java:759)
>       at 
> org.apache.calcite.rel.rules.ReduceExpressionsRule.reduceExpressions(ReduceExpressionsRule.java:699)
>       at 
> org.apache.calcite.rel.rules.ReduceExpressionsRule$ProjectReduceExpressionsRule.onMatch(ReduceExpressionsRule.java:306)
>       at 
> org.apache.calcite.plan.AbstractRelOptPlanner.fireRule(AbstractRelOptPlanner.java:333)
>       at org.apache.calcite.plan.hep.HepPlanner.applyRule(HepPlanner.java:542)
>       at 
> org.apache.calcite.plan.hep.HepPlanner.applyRules(HepPlanner.java:407)
>       at 
> org.apache.calcite.plan.hep.HepPlanner.executeInstruction(HepPlanner.java:243)
>       at 
> org.apache.calcite.plan.hep.HepInstruction$RuleInstance.execute(HepInstruction.java:127)
>       at 
> org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:202)
>       at 
> org.apache.calcite.plan.hep.HepPlanner.findBestExp(HepPlanner.java:189)
>       at 
> org.apache.flink.table.planner.plan.optimize.program.FlinkHepProgram.optimize(FlinkHepProgram.scala:69)
>       at 
> org.apache.flink.table.planner.plan.optimize.program.FlinkHepRuleSetProgram.optimize(FlinkHepRuleSetProgram.scala:87)
>       at 
> org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:62)
>       at 
> org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:58)
>       at 
> scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
>       at 
> scala.collection.TraversableOnce$$anonfun$foldLeft$1.apply(TraversableOnce.scala:157)
>       at scala.collection.Iterator$class.foreach(Iterator.scala:891)
>       at scala.collection.AbstractIterator.foreach(Iterator.scala:1334)
>       at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
>       at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
>       at 
> scala.collection.TraversableOnce$class.foldLeft(TraversableOnce.scala:157)
>       at scala.collection.AbstractTraversable.foldLeft(Traversable.scala:104)
>       at 
> org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram.optimize(FlinkChainedProgram.scala:57)
>       at 
> org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.optimizeTree(BatchCommonSubGraphBasedOptimizer.scala:87)
>       at 
> org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.org$apache$flink$table$planner$plan$optimize$BatchCommonSubGraphBasedOptimizer$$optimizeBlock(BatchCommonSubGraphBasedOptimizer.scala:58)
>       at 
> org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer$$anonfun$doOptimize$1.apply(BatchCommonSubGraphBasedOptimizer.scala:46)
>       at 
> org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer$$anonfun$doOptimize$1.apply(BatchCommonSubGraphBasedOptimizer.scala:46)
>       at scala.collection.immutable.List.foreach(List.scala:392)
>       at 
> org.apache.flink.table.planner.plan.optimize.BatchCommonSubGraphBasedOptimizer.doOptimize(BatchCommonSubGraphBasedOptimizer.scala:46)
>       at 
> org.apache.flink.table.planner.plan.optimize.CommonSubGraphBasedOptimizer.optimize(CommonSubGraphBasedOptimizer.scala:77)
>       at 
> org.apache.flink.table.planner.delegation.PlannerBase.optimize(PlannerBase.scala:282)
>       at 
> org.apache.flink.table.planner.delegation.PlannerBase.translate(PlannerBase.scala:165)
>       at 
> org.apache.flink.table.api.internal.TableEnvironmentImpl.translate(TableEnvironmentImpl.java:1702)
>       at 
> org.apache.flink.table.api.internal.TableEnvironmentImpl.executeQueryOperation(TableEnvironmentImpl.java:833)
>       at 
> org.apache.flink.table.api.internal.TableEnvironmentImpl.executeInternal(TableEnvironmentImpl.java:1301)
>       at 
> org.apache.flink.table.api.internal.TableImpl.execute(TableImpl.java:601)
>       at 
> org.apache.flink.table.planner.runtime.utils.BatchTestBase.executeQuery(BatchTestBase.scala:300)
>       at 
> org.apache.flink.table.planner.runtime.utils.BatchTestBase.check(BatchTestBase.scala:140)
>       at 
> org.apache.flink.table.planner.runtime.utils.BatchTestBase.checkResult(BatchTestBase.scala:106)
>       at 
> org.apache.flink.table.planner.runtime.batch.sql.CalcITCase.myTest(CalcITCase.scala:1614)
>       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$1.runReflectiveCall(FrameworkMethod.java:59)
>       at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>       at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
>       at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>       at 
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
>       at 
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
>       at 
> org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:258)
>       at 
> org.apache.flink.util.TestNameProvider$1.evaluate(TestNameProvider.java:45)
>       at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
>       at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
>       at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
>       at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
>       at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
>       at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
>       at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
>       at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
>       at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
>       at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
>       at org.junit.rules.RunRules.evaluate(RunRules.java:20)
>       at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
>       at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
>       at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
>       at 
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
>       at 
> com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
>       at 
> com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
>       at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
> Caused by: org.apache.flink.util.FlinkRuntimeException: 
> org.apache.flink.api.common.InvalidProgramException: Table program cannot be 
> compiled. This is a bug. Please file an issue.
>       at 
> org.apache.flink.table.runtime.generated.CompileUtils.compile(CompileUtils.java:76)
>       at 
> org.apache.flink.table.runtime.generated.GeneratedClass.compile(GeneratedClass.java:102)
>       at 
> org.apache.flink.table.runtime.generated.GeneratedClass.newInstance(GeneratedClass.java:69)
>       ... 74 more
> Caused by: 
> org.apache.flink.shaded.guava30.com.google.common.util.concurrent.UncheckedExecutionException:
>  org.apache.flink.api.common.InvalidProgramException: Table program cannot be 
> compiled. This is a bug. Please file an issue.
>       at 
> org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2051)
>       at 
> org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache.get(LocalCache.java:3962)
>       at 
> org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4859)
>       at 
> org.apache.flink.table.runtime.generated.CompileUtils.compile(CompileUtils.java:74)
>       ... 76 more
> Caused by: org.apache.flink.api.common.InvalidProgramException: Table program 
> cannot be compiled. This is a bug. Please file an issue.
>       at 
> org.apache.flink.table.runtime.generated.CompileUtils.doCompile(CompileUtils.java:89)
>       at 
> org.apache.flink.table.runtime.generated.CompileUtils.lambda$compile$1(CompileUtils.java:74)
>       at 
> org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4864)
>       at 
> org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3529)
>       at 
> org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2278)
>       at 
> org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2155)
>       at 
> org.apache.flink.shaded.guava30.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2045)
>       ... 79 more
> Caused by: org.codehaus.commons.compiler.CompileException: Line 55, Column 
> 85: No applicable constructor/method found for actual parameters "byte[], 
> java.security.MessageDigest"; candidates are: "public static 
> org.apache.flink.table.data.binary.BinaryStringData 
> org.apache.flink.table.data.binary.BinaryStringDataUtil.hash(org.apache.flink.table.data.binary.BinaryStringData,
>  java.lang.String) throws java.security.NoSuchAlgorithmException", "public 
> static org.apache.flink.table.data.binary.BinaryStringData 
> org.apache.flink.table.data.binary.BinaryStringDataUtil.hash(org.apache.flink.table.data.binary.BinaryStringData,
>  java.security.MessageDigest)"
>       at 
> org.codehaus.janino.UnitCompiler.compileError(UnitCompiler.java:12211)
>       at 
> org.codehaus.janino.UnitCompiler.findMostSpecificIInvocable(UnitCompiler.java:9263)
>       at org.codehaus.janino.UnitCompiler.findIMethod(UnitCompiler.java:9123)
>       at org.codehaus.janino.UnitCompiler.findIMethod(UnitCompiler.java:9025)
>       at org.codehaus.janino.UnitCompiler.compileGet2(UnitCompiler.java:5062)
>       at org.codehaus.janino.UnitCompiler.access$9100(UnitCompiler.java:215)
>       at 
> org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4423)
>       at 
> org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4396)
>       at org.codehaus.janino.Java$MethodInvocation.accept(Java.java:5073)
>       at org.codehaus.janino.UnitCompiler.compileGet(UnitCompiler.java:4396)
>       at 
> org.codehaus.janino.UnitCompiler.compileGetValue(UnitCompiler.java:5662)
>       at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:3792)
>       at org.codehaus.janino.UnitCompiler.access$6100(UnitCompiler.java:215)
>       at 
> org.codehaus.janino.UnitCompiler$13.visitAssignment(UnitCompiler.java:3754)
>       at 
> org.codehaus.janino.UnitCompiler$13.visitAssignment(UnitCompiler.java:3734)
>       at org.codehaus.janino.Java$Assignment.accept(Java.java:4477)
>       at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3734)
>       at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2360)
>       at org.codehaus.janino.UnitCompiler.access$1800(UnitCompiler.java:215)
>       at 
> org.codehaus.janino.UnitCompiler$6.visitExpressionStatement(UnitCompiler.java:1494)
>       at 
> org.codehaus.janino.UnitCompiler$6.visitExpressionStatement(UnitCompiler.java:1487)
>       at org.codehaus.janino.Java$ExpressionStatement.accept(Java.java:2874)
>       at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487)
>       at 
> org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1567)
>       at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:1553)
>       at org.codehaus.janino.UnitCompiler.access$1700(UnitCompiler.java:215)
>       at org.codehaus.janino.UnitCompiler$6.visitBlock(UnitCompiler.java:1493)
>       at org.codehaus.janino.UnitCompiler$6.visitBlock(UnitCompiler.java:1487)
>       at org.codehaus.janino.Java$Block.accept(Java.java:2779)
>       at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487)
>       at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2476)
>       at org.codehaus.janino.UnitCompiler.access$1900(UnitCompiler.java:215)
>       at 
> org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1495)
>       at 
> org.codehaus.janino.UnitCompiler$6.visitIfStatement(UnitCompiler.java:1487)
>       at org.codehaus.janino.Java$IfStatement.accept(Java.java:2950)
>       at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487)
>       at 
> org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1567)
>       at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3388)
>       at 
> org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1357)
>       at 
> org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1330)
>       at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:822)
>       at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:432)
>       at org.codehaus.janino.UnitCompiler.access$400(UnitCompiler.java:215)
>       at 
> org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:411)
>       at 
> org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:406)
>       at 
> org.codehaus.janino.Java$PackageMemberClassDeclaration.accept(Java.java:1414)
>       at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:406)
>       at org.codehaus.janino.UnitCompiler.compileUnit(UnitCompiler.java:378)
>       at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:237)
>       at 
> org.codehaus.janino.SimpleCompiler.compileToClassLoader(SimpleCompiler.java:465)
>       at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:216)
>       at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:207)
>       at org.codehaus.commons.compiler.Cookable.cook(Cookable.java:80)
>       at org.codehaus.commons.compiler.Cookable.cook(Cookable.java:75)
>       at 
> org.apache.flink.table.runtime.generated.CompileUtils.doCompile(CompileUtils.java:86)
>       ... 85 more
> {code}



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