# Ray.init() is showing connection error on pycharm

**URL:** <https://discuss.ray.io/t/ray-init-is-showing-connection-error-on-pycharm/3304>\
**Category:** Uncategorized\
**Created:** [August 20, 2021, 8:39pm UTC](https://discuss.ray.io/t/ray-init-is-showing-connection-error-on-pycharm/3304 "2021-08-20T20:39:29Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![AJ2413](https://avatars.discourse-cdn.com/v4/letter/a/f4b2a3/32.png) [@AJ2413](https://discuss.ray.io/u/AJ2413)\
**Post date:** [August 20, 2021, 8:39pm UTC](https://discuss.ray.io/t/ray-init-is-showing-connection-error-on-pycharm/3304/1 "2021-08-20T20:39:29Z")

</div>

Ray.init() is showing connection error on pycharm.  
Following is the trace.

2021-08-20 16:20:51,813 INFO services.py:1245 – View the Ray dashboard at [http://127.0.0.1:8265](http://127.0.0.1:8265)  
Traceback (most recent call last):  
File “C:/Users/Devil/Downloads/amd\_pca\_2021-08-18/rllibmaha/main.py”, line 3, in   
ray.init(local\_mode=True)  
File “C:\ProgramData\Anaconda3\envs\rllibmaha\lib\site-packages\ray\_private\client\_mode\_hook.py”, line 82, in wrapper  
return func(\*args, \*\*kwargs)  
File “C:\ProgramData\Anaconda3\envs\rllibmaha\lib\site-packages\ray\worker.py”, line 867, in init  
\_global\_node = ray.node.Node(  
File “C:\ProgramData\Anaconda3\envs\rllibmaha\lib\site-packages\ray\node.py”, line 251, in **init**  
redis\_client.hset(“session\_dir”, “value”, self.\_session\_dir)  
File “C:\ProgramData\Anaconda3\envs\rllibmaha\lib\site-packages\redis\client.py”, line 3050, in hset  
return self.execute\_command(‘HSET’, name, \*items)  
File “C:\ProgramData\Anaconda3\envs\rllibmaha\lib\site-packages\redis\client.py”, line 901, in execute\_command  
return self.parse\_response(conn, command\_name, \*\*options)  
File “C:\ProgramData\Anaconda3\envs\rllibmaha\lib\site-packages\redis\client.py”, line 915, in parse\_response  
response = connection.read\_response()  
File “C:\ProgramData\Anaconda3\envs\rllibmaha\lib\site-packages\redis\connection.py”, line 756, in read\_response  
raise response  
redis.exceptions.ResponseError: WRONGTYPE Operation against a key holding the wrong kind of value

Process finished with exit code 1

Could you please tell me how to solve this issue. Thanks