awoestmann commented on issue #2584:
URL: https://github.com/apache/jena/issues/2584#issuecomment-2238616615

   Hi @afs,
   
   thanks for quick reply.
   
   I will try to give you some context:
   
   > What is the server configuration - the stack trace has DatasetImpl so is 
it some kind of configuration file setup.
   
   I am not entirely sure what you mean here. We are creating the dataset using 
something like:
   
   ```java
   Dataset dataset = TDB2Factory.connectDataset("path/to/tdb/dir")
   ```
   
   > What operation of the server is this occurring at the time of the 
stacktrace?
   
   At the time of the stacktrace the server is handling a request that should 
return the result of a sparql query. The error then occurs when we start the 
transaction to execute the query:
   
   ```java
       dataset.begin(TxnType.READ);
       try {
         //Execute query and return result
       } finally {
         dataset.end();
       }
   ```
   
   > How is data loaded into this dataset?
   
   Like mentioned above we are using `TDB2Factory.connectDataset(String 
location)` once when the REST-Controller is created.
   
   > Is it HTTP/1 or HTTP/2 connections to the server?
   
   We only have HTTP/1 connections.
   
   > Are calling clients properly ending their closing their HTTP connections?
   
   It looks like the connections are closed properly, we could not find any 
requests with connections that have been aborted before the response was sent.


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