[
https://issues.apache.org/jira/browse/SPARK-6925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
chrispy closed SPARK-6925.
--------------------------
Resolution: Duplicate
> Word2Vec's transform method throw IllegalStateException if a word not in
> vocabulary, but findSynonyms(word: String, num: Int) method neither try
> catch exception nor throw exception.
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-6925
> URL: https://issues.apache.org/jira/browse/SPARK-6925
> Project: Spark
> Issue Type: Bug
> Components: MLlib
> Affects Versions: 1.3.0
> Reporter: chrispy
> Priority: Critical
> Labels: mllib, word2vec
>
> val doc = sc.textFile("/xxx/segrestxt", args(3).toInt).map(line =>
> line.split(" ").toSeq)
> val model = new
> Word2Vec().setVectorSize(10).setSeed(42L).setNumIterations(3).fit(doc)
> val cpseeds = sc.textFile("/xxx/seeds/cp.tag", args(3).toInt)
>
> // it got IllegalStateException then exit app when tag is a word not in
> vocabulary.
> // but findSynonyms method neither throw IllegalStateException nor try
> catch IllegalStateException.
> cpseeds.map {
> tag =>
> val syn = model.findSynonyms(tag, 30).map(l => l._1)
> tag + ":" + Joiner.on("
> ").join(JavaConversions.asJavaIterator(syn.toIterator))
> }.saveAsTextFile("/xxx/synonyms/cp")
>
> // developer need try catch IllegalStateException
> cpseeds.map {
> tag =>
> try {
> val syn = model.findSynonyms(tag, 30).map(l => l._1)
> tag + ":" + Joiner.on("
> ").join(JavaConversions.asJavaIterator(syn.toIterator))
> } catch {
> case e: IllegalStateException => log.error(s"cp tag:$tag", e)
> }
> }.saveAsTextFile("/xxx/synonyms/cp")
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