Hi everyone, Thanks for your help. I discovered that the WordCount example runs when the lib directory is empty - something I had in there was causing it to break (perhaps a version conflict?). I haven't yet figured out what the culprit was, but I'll post an update if I do.
Thanks again, Joe On Wed, Aug 8, 2018 at 2:18 AM, Chesnay Schepler <ches...@apache.org> wrote: > I cannot reproduce the problem in 1.6-rc4 and 1.7-SNAPSHOT either :/ > > > On 08.08.2018 10:33, Chesnay Schepler wrote: > > hmm, i was able to run it with 1.5.2 at least. Let's see what 1.6 says... > > On 08.08.2018 10:27, Chesnay Schepler wrote: > > I'll take a look, but it sounds like the source is the issue? > > On 08.08.2018 09:34, vino yang wrote: > > Hi Joe, > > Did you try the word_count example from the flink codebase?[1] > > Recently, I tried this example, it works fine to me. > > An example of an official document may not guarantee your success due to > maintenance issues. > > cc @Chesnay > > [1]: https://github.com/apache/flink/blob/master/flink-libraries/flink- > streaming-python/src/test/python/org/apache/flink/ > streaming/python/api/examples/word_count.py > > Thanks, vino. > > Joe Malt <jm...@yelp.com> 于2018年8月8日周三 上午5:29写道： > >> Hi, >> >> I'm running into errors when trying to run a Flink streaming program. >> >> Running the WordCount example >> <https://ci.apache.org/projects/flink/flink-docs-master/dev/stream/python.html#streaming-program-example> >> from the docs fails with this error: >> >> java.lang.VerifyError: (class: site$py, method: _Helper$26 signature: >> (Lorg/python/core/PyFrame;Lorg/python/core/ThreadState;)Lorg/python/core/PyObject;) >> Incompatible argument to function >> at java.lang.Class.getDeclaredConstructors0(Native Method) >> at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671) >> at java.lang.Class.getConstructor0(Class.java:3075) >> at java.lang.Class.getConstructor(Class.java:1825) >> at org.python.core.BytecodeLoader.makeCode(BytecodeLoader.java:70) >> at org.python.core.util.importer.getModuleCode(importer.java:217) >> at org.python.core.util.importer.importer_load_module(importer.java:95) >> at >> org.python.modules.zipimport.zipimporter.zipimporter_load_module(zipimporter.java:163) >> at >> org.python.modules.zipimport.zipimporter$zipimporter_load_module_exposer.__call__(Unknown >> Source) >> at >> org.python.core.PyBuiltinMethodNarrow.__call__(PyBuiltinMethodNarrow.java:46) >> at org.python.core.imp.loadFromLoader(imp.java:587) >> at org.python.core.imp.find_module(imp.java:537) >> at org.python.core.imp.import_next(imp.java:840) >> at org.python.core.imp.import_first(imp.java:861) >> at org.python.core.imp.load(imp.java:716) >> at org.python.core.Py.importSiteIfSelected(Py.java:1558) >> at org.python.util.PythonInterpreter.<init>(PythonInterpreter.java:116) >> at org.python.util.PythonInterpreter.<init>(PythonInterpreter.java:94) >> at org.python.util.PythonInterpreter.<init>(PythonInterpreter.java:71) >> at >> org.apache.flink.streaming.python.util.InterpreterUtils.initPythonInterpreter(InterpreterUtils.java:122) >> at >> org.apache.flink.streaming.python.util.InterpreterUtils.deserializeFunction(InterpreterUtils.java:73) >> at >> org.apache.flink.streaming.python.api.functions.AbstractPythonUDF.open(AbstractPythonUDF.java:51) >> at >> org.apache.flink.streaming.python.api.functions.PythonFlatMapFunction.open(PythonFlatMapFunction.java:51) >> at >> org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:36) >> at >> org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.open(AbstractUdfStreamOperator.java:102) >> at >> org.apache.flink.streaming.api.operators.StreamFlatMap.open(StreamFlatMap.java:43) >> at >> org.apache.flink.streaming.runtime.tasks.StreamTask.openAllOperators(StreamTask.java:424) >> at >> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:290) >> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:711) >> at java.lang.Thread.run(Thread.java:748) >> >> >> The only job I can get to run is one that reads from a KafkaConsumer010 and >> outputs the result without applying any operations (if there is a Filter, >> Map, etc. it will crash with the same error). However, removing all the >> operations from the WordCount example doesn't fix the issue there. >> >> I'm running Flink 1.6-RC, I've also tried 1.6-SNAPSHOT which made no >> difference. >> >> Any help would be much appreciated. >> >> Thanks, >> >> Joe Malt >> >> Software Engineer Intern >> Yelp >> > > > >
