[PIG-4920] Fail to use Javascript UDF in spark yarn client mode

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: spark-branch
• Component/s: spark
• Assignee: liyunzhang
• Reporter: liyunzhang
• Created: 02/Jun/16 07:33
• Updated: 21/Jun/17 09:18
• Resolved: 26/Oct/16 15:48

Description

udf.pig

register '/home/zly/prj/oss/merge.pig/pig/bin/udf.js' using javascript as myfuncs;
A = load './passwd' as (a0:chararray, a1:chararray);
B = foreach A generate myfuncs.helloworld();
store B into './udf.out';

udf.js

helloworld.outputSchema = "word:chararray";
function helloworld() {
    return 'Hello, World';
}
    
complex.outputSchema = "word:chararray";
function complex(word){
    return {word:word};
}

run udf.pig in spark local mode(export SPARK_MASTER="local"), it successfully.
run udf.pig in spark yarn client mode(export SPARK_MASTER="yarn-client"), it fails and error message like following:

Caused by: java.lang.reflect.InvocationTargetException
        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:408)
        at org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:744)
        ... 84 more
Caused by: java.lang.ExceptionInInitializerError
        at org.apache.pig.scripting.js.JsScriptEngine.getInstance(JsScriptEngine.java:87)
        at org.apache.pig.scripting.js.JsFunction.<init>(JsFunction.java:173)
        ... 89 more
Caused by: java.lang.IllegalStateException: could not get script path from UDFContext
        at org.apache.pig.scripting.js.JsScriptEngine$Holder.<clinit>(JsScriptEngine.java:69)
        ... 91 more

Issue Links

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