Github user zentol commented on the issue:
https://github.com/apache/flink/pull/3838
I can't seem to get the tests running.
In the IDE i get this exception:
```
null
Traceback (most recent call last):
File
"C:\Users\Zento\AppData\Local\Temp\flink_streaming_plan_7475612982544297474\plan.py",
line 3, in <module>
run_all_testsae1bf92fc871d56dae4598b332a87804.main()
File
"C:\Users\Zento\AppData\Local\Temp\flink_streaming_plan_7475612982544297474\run_all_testsae1bf92fc871d56dae4598b332a87804.py",
line 71, in main
Main().run()
File
"C:\Users\Zento\AppData\Local\Temp\flink_streaming_plan_7475612982544297474\run_all_testsae1bf92fc871d56dae4598b332a87804.py",
line 45, in run
tests.append(__import__(test_module_name, globals(), locals()))
File
"C:\Users\Zento\AppData\Local\Temp\flink_streaming_plan_7475612982544297474\test_filter.py",
line 25, in <module>
from utils.python_test_base import TestBase
File
"C:\Users\Zento\AppData\Local\Temp\flink_streaming_plan_7475612982544297474\utils\python_test_base.py",
line 19, in <module>
from org.apache.flink.api.java.utils import ParameterTool
java.lang.NoClassDefFoundError: org/apache/flink/api/java/utils (wrong
name: org/apache/flink/api/java/Utils)
at java.lang.ClassLoader.defineClass1(Native Method)
```
On the command-line the tests do run, but fail with this exception:
```
Submitting job ... 'test_filter'
Get execution environment
2> (50, u'hello')
null
Traceback (most recent call last):
File
"C:\Users\Zento\AppData\Local\Temp\flink_streaming_plan_-7332098182433468284\plan.py",
line 3, in <module>
run_all_testsae1bf92fc871d56dae4598b332a87804.main()
File
"C:\Users\Zento\AppData\Local\Temp\flink_streaming_plan_-7332098182433468284\run_all_testsae1bf92fc871d56dae4598b332a87804.py",
line 71, in main
Main().run()
File
"C:\Users\Zento\AppData\Local\Temp\flink_streaming_plan_-7332098182433468284\run_all_testsae1bf92fc871d56dae4598b332a87804.py",
line 59, in run
print("\n{}\n{}\n{}\n".format('#'*len(ex_type), ex_type,
'#'*len(ex_type)))
TypeError: object of type 'java.lang.Class' has no len()
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 17.835 sec
<<< FAILURE! - in org.apache.flink.streaming.python.api.PythonStreamBinderTest
testJob(org.apache.flink.streaming.python.api.PythonStreamBinderTest) Time
elapsed: 17.393 sec <<< FAILURE!
java.lang.AssertionError: Error while calling the test program: null
```
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