Tao Xia created FLINK-8173:
------------------------------
Summary: InvalidProgramException: Table program cannot be
compiled. This is a bug. Please file an issue.
Key: FLINK-8173
URL: https://issues.apache.org/jira/browse/FLINK-8173
Project: Flink
Issue Type: Bug
Reporter: Tao Xia
It is a stream of Avro objects, simply select a String field and trying to
print out
val query = "SELECT nd_key FROM table1"
val result = tableEnv.sql(query)
tableEnv.toAppendStream[org.apache.avro.util.Utf8](result).print()
11/29/2017 16:07:36 Source: Custom Source -> from: (accepted_cohort_id,
admin_id, after_submission, amount_paid, anonymous_id, application_id,
atom_key, bd_group_key, biz_geo, braavos_purchase_id, category, cohort_id,
concept_key, concept_rank, context, context_campaign, context_experiment,
coupon_code, course_key, course_rank, cta_destination, cta_location,
cta_message, cta_type, currency, decision_group_id, device_browser, device_os,
device_os_version, device_type, duration, evaluation_id, event_type, fin_geo,
in_collaboration_with, lab_id, lab_rank, label, lesson_key, lesson_rank,
locale, max_pause_duration, message, message_id, module_key, module_rank,
nd_key, nd_unit_id, nd_unit_rank, new_cohort_id, notification_id,
num_concepts_completed, num_interactions, num_lessons_completed, old_cohort_id,
part_key, part_rank, pause_duration, pause_reason, payment_plan,
payment_provider, points_earned, points_possible, price, price_sheet,
product_key, product_type, provider_charge_id, provider_refund_id, quiz_type,
referrer, refund_amount, requested_cohort_id, results, scholarship_group_key,
search_term, skill_level, subscription_id, suspension_length,
suspension_reason, technology, timestamp, total_concepts, total_lessons,
total_time_sec, type, unenroll_reason, user_id, user_locale, user_response,
variant, version, workspace_id, workspace_session, workspace_type) -> select:
(nd_key) -> to: Utf8 -> Sink: Unnamed(5/8) switched to FAILED
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.CRowOutputMapRunner.compile(CRowOutputMapRunner.scala:33)
at
org.apache.flink.table.runtime.CRowOutputMapRunner.open(CRowOutputMapRunner.scala:48)
at
org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:36)
at
org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.open(AbstractUdfStreamOperator.java:111)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.openAllOperators(StreamTask.java:376)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:253)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.codehaus.commons.compiler.CompileException: Line 790, Column 15:
Assignment conversion not possible from type "java.lang.CharSequence" to type
"org.apache.avro.util.Utf8"
at
org.codehaus.janino.UnitCompiler.compileError(UnitCompiler.java:11672)
at
org.codehaus.janino.UnitCompiler.assignmentConversion(UnitCompiler.java:10528)
at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2534)
at org.codehaus.janino.UnitCompiler.access$2600(UnitCompiler.java:212)
at
org.codehaus.janino.UnitCompiler$6.visitLocalVariableDeclarationStatement(UnitCompiler.java:1459)
at
org.codehaus.janino.UnitCompiler$6.visitLocalVariableDeclarationStatement(UnitCompiler.java:1443)
at
org.codehaus.janino.Java$LocalVariableDeclarationStatement.accept(Java.java:3348)
at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1443)
at
org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1523)
at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3052)
at
org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1313)
at
org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1286)
at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:785)
at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:436)
at org.codehaus.janino.UnitCompiler.access$400(UnitCompiler.java:212)
at
org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:390)
at
org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:385)
at
org.codehaus.janino.Java$PackageMemberClassDeclaration.accept(Java.java:1405)
at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:385)
at org.codehaus.janino.UnitCompiler.compileUnit(UnitCompiler.java:357)
at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:234)
at
org.codehaus.janino.SimpleCompiler.compileToClassLoader(SimpleCompiler.java:446)
at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:213)
at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:204)
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)
... 8 more
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