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https://issues.apache.org/jira/browse/SYSTEMML-1822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Matthias Boehm resolved SYSTEMML-1822.
--------------------------------------
       Resolution: Duplicate
         Assignee: Matthias Boehm
    Fix Version/s: SystemML 1.0

> java.lang.ArrayStoreException with for-loop inside UDF
> ------------------------------------------------------
>
>                 Key: SYSTEMML-1822
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1822
>             Project: SystemML
>          Issue Type: Bug
>            Reporter: Gus Jenkins
>            Assignee: Matthias Boehm
>             Fix For: SystemML 1.0
>
>
> Hey I'm working on something and came upon a bug. I boiled the problem down 
> to the following. If I run the following code, it works fine. But if I run 
> the latter code with a simple for-loop in the UDF, I get an error. This 
> actually may be the same case with any loop. Please see below. I also 
> included the error message.
> {code}
> discrete_samples = function(matrix[double] weights) return(double ix){
>     ix = 0.00
> }
> weights = matrix(1, rows = 5, cols = 1)
> ix = discrete_samples(weights)
> print("Index here: " + ix)
> {code}
> {code}
> discrete_samples = function(matrix[double] weights) return(double ix){
>     ix = 0.00
>     for(j in 1:5){
>         print("Hello")
>     }
> }
> weights = matrix(1, rows = 5, cols = 1)
> ix = discrete_samples(weights)
> print("Index here: " + ix)
> {code}
> {code}
> stcs-mbp:spark-2.1.1-bin-hadoop2.7 stc$ spark-submit SystemML.jar -f 
> /Users/stc/Desktop/systemml/scripts/algorithms/test.dml 
> log4j:WARN No appenders could be found for logger 
> (org.apache.hadoop.util.Shell).
> log4j:WARN Please initialize the log4j system properly.
> log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more 
> info.
> Exception in thread "main" org.apache.sysml.api.DMLException: 
> java.lang.ArrayStoreException: java.lang.Integer
>         at org.apache.sysml.api.DMLScript.executeScript(DMLScript.java:533)
>         at org.apache.sysml.api.DMLScript.main(DMLScript.java:233)
>         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:498)
>         at 
> org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:743)
>         at 
> org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:187)
>         at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:212)
>         at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:126)
>         at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
> Caused by: java.lang.ArrayStoreException: java.lang.Integer
>         at java.util.AbstractCollection.toArray(AbstractCollection.java:196)
>         at 
> org.apache.sysml.hops.ipa.FunctionCallSizeInfo.toString(FunctionCallSizeInfo.java:306)
>         at java.lang.String.valueOf(String.java:2994)
>         at java.lang.StringBuilder.append(StringBuilder.java:131)
>         at 
> org.apache.sysml.hops.ipa.InterProceduralAnalysis.analyzeProgram(InterProceduralAnalysis.java:181)
>         at 
> org.apache.sysml.parser.DMLTranslator.rewriteHopsDAG(DMLTranslator.java:269)
>         at org.apache.sysml.api.DMLScript.execute(DMLScript.java:761)
>         at org.apache.sysml.api.DMLScript.executeScript(DMLScript.java:506)
>         ... 10 more
> {code}



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