liyunzhang_intel created PIG-4920: ------------------------------------- Summary: Fail to use Javascript UDF in spark yarn client mode Key: PIG-4920 URL: https://issues.apache.org/jira/browse/PIG-4920 Project: Pig Issue Type: Sub-task Reporter: liyunzhang_intel
udf.pig {code} 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'; {code} udf.js {code} helloworld.outputSchema = "word:chararray"; function helloworld() { return 'Hello, World'; } complex.outputSchema = "word:chararray"; function complex(word){ return {word:word}; } {code} 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: {noformat} [task-result-getter-0] 2016-06-02 15:13:13,647 WARN scheduler.TaskSetManager (Logging.scala:logWarning(70)) - Lost task 0.0 in stage 0.0 (TID 0, zly1.sh.intel.com): java.lang.RuntimeException: could not instantiate 'org.apache.pig.scripting.js.JsFunction' with arguments '[helloworld]' at org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:776) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.instantiateFunc(POUserFunc.java:128) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.readObject(POUserFunc.java:585) 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:483) at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1896) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371) at java.util.HashMap.readObject(HashMap.java:1396) {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)