vinodkc commented on PR #53236:
URL: https://github.com/apache/spark/pull/53236#issuecomment-3587979563
I didn't see driver crash , but I see another reason in the JDBC client
test infrastructure code. which may cause server hang.
In
`./client/jvm/src/test/scala/org/apache/spark/sql/connect/test/RemoteSparkSession.scala`
```java
'JDBC client test infrastructure' starts child process ------> Spark
Connect Server
for testcase execution
│
▼
stdout/stderr (writes logs)
│
▼
◄──────────[pipe
buffer fills up]
⚠️ PROBLEM:
If nobody reads this,
buffer fills → server hangs!
```
After adding
[this](https://github.com/apache/spark/pull/53236/files#diff-dff81120516e8b8c7f0af9dd1c4a41b543e5afdeeb10fb90fb71da6a7e9a0041R99)
would resolve the server hang issue.
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