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From 刘建刚 <liujiangangp...@gmail.com>
Subject How to load udf jars in flink program
Date Thu, 15 Aug 2019 09:31:33 GMT
      We are using per-job to load udf jar when start job. Our jar file is
in another path but not flink's lib path. In the main function, we use
classLoader to load the jar file by the jar path. But it reports the
following error when job starts running.
      If the jar file is in lib, everything is ok. But our udf jar file is
managed in a special path. How can I load udf jars in flink program with
only giving the jar path?

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.CRowProcessRunner.compile(CRowProcessRunner.scala:35)
	at org.apache.flink.table.runtime.CRowProcessRunner.open(CRowProcessRunner.scala:49)
	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:424)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:290)
	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:723)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.codehaus.commons.compiler.CompileException: Line 5,
Column 1: Cannot determine simple type name "com"
	at org.codehaus.janino.UnitCompiler.compileError(UnitCompiler.java:11877)
	at org.codehaus.janino.UnitCompiler.getReferenceType(UnitCompiler.java:6758)
	at org.codehaus.janino.UnitCompiler.getReferenceType(UnitCompiler.java:6519)
	at org.codehaus.janino.UnitCompiler.getReferenceType(UnitCompiler.java:6532)
	at org.codehaus.janino.UnitCompiler.getReferenceType(UnitCompiler.java:6532)
	at org.codehaus.janino.UnitCompiler.getReferenceType(UnitCompiler.java:6532)
	at org.codehaus.janino.UnitCompiler.getReferenceType(UnitCompiler.java:6532)
	at org.codehaus.janino.UnitCompiler.getType2(UnitCompiler.java:6498)
	at org.codehaus.janino.UnitCompiler.access$14000(UnitCompiler.java:218)
	at org.codehaus.janino.UnitCompiler$22$1.visitReferenceType(UnitCompiler.java:6405)
	at org.codehaus.janino.UnitCompiler$22$1.visitReferenceType(UnitCompiler.java:6400)
	at org.codehaus.janino.Java$ReferenceType.accept(Java.java:3983)
	at org.codehaus.janino.UnitCompiler$22.visitType(UnitCompiler.java:6400)
	at org.codehaus.janino.UnitCompiler$22.visitType(UnitCompiler.java:6393)
	at org.codehaus.janino.Java$ReferenceType.accept(Java.java:3982)
	at org.codehaus.janino.UnitCompiler.getType(UnitCompiler.java:6393)
	at org.codehaus.janino.UnitCompiler.access$1300(UnitCompiler.java:218)
	at org.codehaus.janino.UnitCompiler$25.getType(UnitCompiler.java:8206)
	at org.codehaus.janino.UnitCompiler.getType2(UnitCompiler.java:6798)
	at org.codehaus.janino.UnitCompiler.access$14500(UnitCompiler.java:218)
	at org.codehaus.janino.UnitCompiler$22$2$1.visitFieldAccess(UnitCompiler.java:6423)
	at org.codehaus.janino.UnitCompiler$22$2$1.visitFieldAccess(UnitCompiler.java:6418)
	at org.codehaus.janino.Java$FieldAccess.accept(Java.java:4365)
	at org.codehaus.janino.UnitCompiler$22$2.visitLvalue(UnitCompiler.java:6418)
	at org.codehaus.janino.UnitCompiler$22$2.visitLvalue(UnitCompiler.java:6414)
	at org.codehaus.janino.Java$Lvalue.accept(Java.java:4203)
	at org.codehaus.janino.UnitCompiler$22.visitRvalue(UnitCompiler.java:6414)
	at org.codehaus.janino.UnitCompiler$22.visitRvalue(UnitCompiler.java:6393)
	at org.codehaus.janino.Java$Rvalue.accept(Java.java:4171)
	at org.codehaus.janino.UnitCompiler.getType(UnitCompiler.java:6393)
	at org.codehaus.janino.UnitCompiler.getType2(UnitCompiler.java:6780)
	at org.codehaus.janino.UnitCompiler.access$14300(UnitCompiler.java:218)
	at org.codehaus.janino.UnitCompiler$22$2$1.visitAmbiguousName(UnitCompiler.java:6421)
	at org.codehaus.janino.UnitCompiler$22$2$1.visitAmbiguousName(UnitCompiler.java:6418)
	at org.codehaus.janino.Java$AmbiguousName.accept(Java.java:4279)
	at org.codehaus.janino.UnitCompiler$22$2.visitLvalue(UnitCompiler.java:6418)
	at org.codehaus.janino.UnitCompiler$22$2.visitLvalue(UnitCompiler.java:6414)
	at org.codehaus.janino.Java$Lvalue.accept(Java.java:4203)
	at org.codehaus.janino.UnitCompiler$22.visitRvalue(UnitCompiler.java:6414)
	at org.codehaus.janino.UnitCompiler$22.visitRvalue(UnitCompiler.java:6393)
	at org.codehaus.janino.Java$Rvalue.accept(Java.java:4171)
	at org.codehaus.janino.UnitCompiler.getType(UnitCompiler.java:6393)
	at org.codehaus.janino.UnitCompiler.findIMethod(UnitCompiler.java:8960)
	at org.codehaus.janino.UnitCompiler.compileGet2(UnitCompiler.java:4988)
	at org.codehaus.janino.UnitCompiler.access$9100(UnitCompiler.java:218)
	at org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4452)
	at org.codehaus.janino.UnitCompiler$16.visitMethodInvocation(UnitCompiler.java:4425)
	at org.codehaus.janino.Java$MethodInvocation.accept(Java.java:5128)
	at org.codehaus.janino.UnitCompiler.compileGet(UnitCompiler.java:4425)
	at org.codehaus.janino.UnitCompiler.compileGetValue(UnitCompiler.java:5589)
	at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:3810)
	at org.codehaus.janino.UnitCompiler.access$5900(UnitCompiler.java:218)
	at org.codehaus.janino.UnitCompiler$13.visitMethodInvocation(UnitCompiler.java:3788)
	at org.codehaus.janino.UnitCompiler$13.visitMethodInvocation(UnitCompiler.java:3760)
	at org.codehaus.janino.Java$MethodInvocation.accept(Java.java:5128)
	at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3760)
	at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:2363)
	at org.codehaus.janino.UnitCompiler.access$1800(UnitCompiler.java:218)
	at org.codehaus.janino.UnitCompiler$6.visitExpressionStatement(UnitCompiler.java:1497)
	at org.codehaus.janino.UnitCompiler$6.visitExpressionStatement(UnitCompiler.java:1490)
	at org.codehaus.janino.Java$ExpressionStatement.accept(Java.java:2929)
	at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:1490)
	at org.codehaus.janino.UnitCompiler.compileStatements(UnitCompiler.java:1570)
	at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:3398)
	at org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1360)
	at org.codehaus.janino.UnitCompiler.compileDeclaredMethods(UnitCompiler.java:1333)
	at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:825)
	at org.codehaus.janino.UnitCompiler.compile2(UnitCompiler.java:435)
	at org.codehaus.janino.UnitCompiler.access$400(UnitCompiler.java:218)
	at org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:414)
	at org.codehaus.janino.UnitCompiler$2.visitPackageMemberClassDeclaration(UnitCompiler.java:409)
	at org.codehaus.janino.Java$PackageMemberClassDeclaration.accept(Java.java:1417)
	at org.codehaus.janino.UnitCompiler.compile(UnitCompiler.java:409)
	at org.codehaus.janino.UnitCompiler.compileUnit(UnitCompiler.java:381)
	at org.codehaus.janino.SimpleCompiler.cook(SimpleCompiler.java:237)
	at org.codehaus.janino.SimpleCompiler.compileToClassLoader(SimpleCompiler.java:466)
	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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