Hello,

Fun fact: do not crosspost to several lists, this belongs to user@ afaik.

error:

Caused by: java.lang.ClassNotFoundException: solr.HdfsDirectoryFactory


Solr may not be finding the hdfs module jars.

HDFS is a module in Solr 9 and needs to be enabled.
doc link :
https://solr.apache.org/guide/solr/latest/deployment-guide/solr-on-hdfs.html

Follow doc and test again.
Hope this helps

Kind Regards,
Alejandro Arrieta

On Thu, Feb 27, 2025 at 3:41 PM reza moradi <rezamoradi8...@outlook.com>
wrote:

> Hello and good time
> I have problem connecting solr 9 to hadoop
> I put the logs in the attachment
>
> It is very important to me, but no matter what I do, they are not
> connected to create a new collection
> It connects to Apache ZooKeeper but not Hadoop
>
>
> What is the solution?
> what should i do
>
> Please answer, it is very important to me
> thank you
>
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