Could you paste the full stacktrace ?
Steve Fox <steve96....@gmail.com>于2018年10月19日周五 下午9:20写道: > Hi zeppelin users! > > I'm trying to sql over pandas dataframe using python interpreter. > But below the error message. > I do not know why this error occurs. > > Thank you for your help. > > > ======================================================================================================================= > *paragraph 1. pandas dataframe* > *[code]* > %python > mport pandas as pd > import numpy as np > import sys > > sys.version_info > print(sys.version) > print(sys.path) > > s = pd.Series(np.random.randn(100)) > s.head() > > df = pd.DataFrame(np.random.randn(110, 4), columns=list(‘ABCD’)) > df.head() > > > *[result]* > A B C D 0 -1.104620 -0.203555 -0.708837 0.811160 1 0.755126 0.060209 > -0.206536 -0.442819 2 0.056334 0.953871 -1.441647 -0.262722 3 -0.399785 > 1.195350 0.500972 1.028257 4 -1.738896 0.198309 0.986380 0.042211 > > *paragraph 2. execute query* > *[code]* > %python.sql > select * from df > > *[result (error msg)]* > ``` > java.lang.NullPointerException > at > org.apache.zeppelin.python.IPythonInterpreter.interpret(IPythonInterpreter.java:331) > at > org.apache.zeppelin.python.PythonInterpreter.interpret(PythonInterpreter.java:371) > at > org.apache.zeppelin.python.PythonInterpreter.bootStrapInterpreter(PythonInterpreter.java:557) > at > org.apache.zeppelin.python.PythonInterpreterPandasSql.open(PythonInterpreterPandasSql.java:73) > at > org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:69) > at > org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:617) > at org.apache.zeppelin.scheduler.Job.run(Job.java:188) at > org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:140) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > ``` > > ======================================================================================================================= > > ** zeppelin version* > 0.8.0 > > ** python version* > 3.6.5 |Anaconda custom (64-bit)| (default, Apr 29 2018, 16:14:56) > [GCC 7.2.0] > ['', '/zeppelin/interpreter/python/py4j-0.9.2/src', > '/data/anaconda3/lib/python36.zip', '/data/anaconda3/lib/python3.6', > '/data/anaconda3/lib/python3.6/lib-dynload', > '/data/anaconda3/lib/python3.6/site-packages', > '/data/anaconda3/lib/python3.6/site-packages/Mako-1.0.7-py3.6.egg', > '/data/anaconda3/lib/python3.6/site-packages/IPython/extensions', > '/root/.ipython'] > > Thank you very much. >