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https://issues.apache.org/jira/browse/FLINK-12389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16831474#comment-16831474
]
Fabian Hueske commented on FLINK-12389:
---------------------------------------
Hi [~yuyang08], thanks for reporting this bug!
Can you maybe isolate the problem to a specific SQL function and share the
query?
[~twalthr] might also be able to help here.
Thank you,
Fabian
> flink codegen set String type for ByteBuffer fields
> ---------------------------------------------------
>
> Key: FLINK-12389
> URL: https://issues.apache.org/jira/browse/FLINK-12389
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Runtime
> Affects Versions: 1.8.0
> Reporter: Yu Yang
> Priority: Major
>
> We try to write a simple flink sql program using "select .. from "
> statement, and encounter a compile exception.
> *Caused by: org.codehaus.commons.compiler.CompileException: Line 110, Column
> 38: Cannot cast "java.nio.ByteBuffer" to "java.lang.String"*
> Further debugging shows that the following flink-generated code snippet
> caused problem:
> {code}
> final java.lang.reflect.Field
> field_com$pinterest$utzv2$thrift$RealtimeSpendValue_segmentIds =
> org.apache.flink.api.java.typeutils.TypeExtractor.getDeclaredField(
> com.pinterest.utzv2.thrift.RealtimeSpendValue.class, "segmentIds");
> ...
> boolean isNull$5 = (java.nio.ByteBuffer)
> field_com$pinterest$utzv2$thrift$RealtimeSpendValue_segmentIds.get(in1) ==
> null;
> java.lang.String result$4;
> if (isNull$5) {
> result$4 = "";
> }
> else {
> result$4 = (java.lang.String) (java.nio.ByteBuffer)
> field_com$pinterest$utzv2$thrift$RealtimeSpendValue_segmentIds.get(in1);
> }
>
> {code}
> The following is the stack track:
> Caused by: org.apache.flink.runtime.client.JobExecutionException: Job
> execution failed.
> at
> org.apache.flink.runtime.jobmaster.JobResult.toJobExecutionResult(JobResult.java:146)
> at
> org.apache.flink.client.program.rest.RestClusterClient.submitJob(RestClusterClient.java:265)
> ... 17 more
> Caused by: org.apache.flink.api.common.InvalidProgramException: Table program
> cannot be compiled. This is a bug. Please file an issue.
> at
> org.apache.flink.table.codegen.Compiler$class.compile(Compiler.scala:36)
> at
> org.apache.flink.table.runtime.CRowOutputProcessRunner.compile(CRowOutputProcessRunner.scala:36)
> at
> org.apache.flink.table.runtime.CRowOutputProcessRunner.open(CRowOutputProcessRunner.scala:50)
> at
> org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:36)
> at
> org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.open(AbstractUdfStreamOperator.java:102)
> at
> org.apache.flink.streaming.api.operators.ProcessOperator.open(ProcessOperator.java:56)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.openAllOperators(StreamTask.java:425)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:291)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:711)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.codehaus.commons.compiler.CompileException: Line 110, Column
> 38: Cannot cast "java.nio.ByteBuffer" to "java.lang.String"
> at
> org.codehaus.janino.UnitCompiler.compileError(UnitCompiler.java:12124)
> at org.codehaus.janino.UnitCompiler.compileGet2(UnitCompiler.java:5049)
> at org.codehaus.janino.UnitCompiler.access$8600(UnitCompiler.java:215)
> at org.codehaus.janino.UnitCompiler$16.visitCast(UnitCompiler.java:4416)
> at org.codehaus.janino.UnitCompiler$16.visitCast(UnitCompiler.java:4394)
> at org.codehaus.janino.Java$Cast.accept(Java.java:4887)
> at org.codehaus.janino.UnitCompiler.compileGet(UnitCompiler.java:4394)
> at
> org.codehaus.janino.UnitCompiler.compileGetValue(UnitCompiler.java:5575)
> at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:3790)
> at org.codehaus.janino.UnitCompiler.access$6100(UnitCompiler.java:215)
> at
> org.codehaus.janino.UnitCompiler$13.visitAssignment(UnitCompiler.java:3752)
> at
> org.codehaus.janino.UnitCompiler$13.visitAssignment(UnitCompiler.java:3732)
> at org.codehaus.janino.Java$Assignment.accept(Java.java:4466)
> at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3732)
> 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:2871)
> 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:2776)
> at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1487)
> at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2468)
> 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:2947)
> 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.codegen.Compiler$class.compile(Compiler.scala:33)
> ... 9 more
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