Github user tianyi commented on the pull request:
https://github.com/apache/spark/pull/1760#issuecomment-52010613
@marmbrus Could you ask someone help me to fix this error ?
Failed example:
srdd.collect()
Exception raised:
Traceback (most recent call last):
File "/usr/lib64/python2.6/doctest.py", line 1253, in __run
compileflags, 1) in test.globs
File "<doctest pyspark.sql.SQLContext.inferSchema[6]>", line 1, in
<module>
srdd.collect()
File
"/home/jenkins/workspace/SparkPullRequestBuilder/python/pyspark/sql.py", line
1613, in collect
rows = RDD.collect(self)
File
"/home/jenkins/workspace/SparkPullRequestBuilder/python/pyspark/rdd.py", line
724, in collect
bytesInJava = self._jrdd.collect().iterator()
File
"/home/jenkins/workspace/SparkPullRequestBuilder/python/lib/py4j-0.8.2.1-src.zip/py4j/java_gateway.py",
line 538, in __call__
self.target_id, self.name)
File
"/home/jenkins/workspace/SparkPullRequestBuilder/python/lib/py4j-0.8.2.1-src.zip/py4j/protocol.py",
line 300, in get_return_value
format(target_id, '.', name), value)
org.apache.spark.SparkException: Job aborted due to stage failure: Task 1
in stage 35.0 failed 1 times, most recent failure: Lost task 1.0 in stage 35.0
(TID 72, localhost): java.lang.ClassCastException: java.lang.String cannot be
cast to java.util.ArrayList
net.razorvine.pickle.objects.ArrayConstructor.construct(ArrayConstructor.java:33)
net.razorvine.pickle.Unpickler.load_reduce(Unpickler.java:617)
net.razorvine.pickle.Unpickler.dispatch(Unpickler.java:170)
net.razorvine.pickle.Unpickler.load(Unpickler.java:84)
net.razorvine.pickle.Unpickler.loads(Unpickler.java:97)
......
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