[ https://issues.apache.org/jira/browse/FLINK-4805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chesnay Schepler reassigned FLINK-4805: --------------------------------------- Assignee: Chesnay Schepler > Stringify() crashes with Python3 (run with pyflink3) > ---------------------------------------------------- > > Key: FLINK-4805 > URL: https://issues.apache.org/jira/browse/FLINK-4805 > Project: Flink > Issue Type: Bug > Components: Python API > Reporter: Yakov Goldberg > Assignee: Chesnay Schepler > > {code} > Caused by: java.lang.RuntimeException: External process for task MapPartition > (PythonMap) terminated prematurely due to an error. > Traceback (most recent call last): > File > "/tmp/flink-dist-cache-299804c6-813a-44de-9f62-c5f4cf415990/1527bd1cc45d6f67695c180762c614ef/flink/plan.py", > line 548, in <module> > env.execute(local=True) > File > "/tmp/flink-dist-cache-299804c6-813a-44de-9f62-c5f4cf415990/1527bd1cc45d6f67695c180762c614ef/flink/flink/plan/Environment.py", > line 181, in execute > operator._go() > File > "/tmp/flink-dist-cache-299804c6-813a-44de-9f62-c5f4cf415990/1527bd1cc45d6f67695c180762c614ef/flink/flink/functions/Function.py", > line 64, in _go > self._run() > File > "/tmp/flink-dist-cache-299804c6-813a-44de-9f62-c5f4cf415990/1527bd1cc45d6f67695c180762c614ef/flink/flink/functions/MapFunction.py", > line 29, in _run > collector.collect(function(value)) > File > "/tmp/flink-dist-cache-299804c6-813a-44de-9f62-c5f4cf415990/1527bd1cc45d6f67695c180762c614ef/flink/flink/plan/DataSet.py", > line 38, in map > return "(" + b", ".join([self.map(x) for x in value]) + ")" > File > "/tmp/flink-dist-cache-299804c6-813a-44de-9f62-c5f4cf415990/1527bd1cc45d6f67695c180762c614ef/flink/flink/plan/DataSet.py", > line 38, in <listcomp> > return "(" + b", ".join([self.map(x) for x in value]) + ")" > File > "/tmp/flink-dist-cache-299804c6-813a-44de-9f62-c5f4cf415990/1527bd1cc45d6f67695c180762c614ef/flink/flink/plan/DataSet.py", > line 38, in map > return "(" + b", ".join([self.map(x) for x in value]) + ")" > TypeError: sequence item 0: expected bytes, bytearray, or an object with the > buffer interface, str found > at > org.apache.flink.python.api.streaming.data.PythonStreamer.streamBufferWithoutGroups(PythonStreamer.java:268) > at > org.apache.flink.python.api.functions.PythonMapPartition.mapPartition(PythonMapPartition.java:54) > at > org.apache.flink.runtime.operators.MapPartitionDriver.run(MapPartitionDriver.java:98) > at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:480) > at > org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:345) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:559) > at java.lang.Thread.run(Thread.java:745) > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)