java.util.concurrent.ExecutionException: org.apache.pinot.client.PinotClientException: Pinot returned HTTP status 500, expected 200 at org.apache.pinot.client.JsonAsyncHttpPinotClientTransport$BrokerResponseFuture.get(JsonAsyncHttpPinotClientTransport.java:191) at org.apache.pinot.client.JsonAsyncHttpPinotClientTransport$BrokerResponseFuture.get(JsonAsyncHttpPinotClientTransport.java:141) at org.apache.pinot.client.Connection$ResultSetGroupFuture.get(Connection.java:221) at org.apache.pinot.client.Connection$ResultSetGroupFuture.get(Connection.java:212) at org.apache.pinot.client.Connection$ResultSetGroupFuture.get(Connection.java:186) at org.apache.pinot.client.WorkerThread.processCommand(WorkerThread.java:48) at org.apache.pinot.client.WorkerThread.run(WorkerThread.java:29) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) Caused by: org.apache.pinot.client.PinotClientException: Pinot returned HTTP status 500, expected 200 at org.apache.pinot.client.JsonAsyncHttpPinotClientTransport$BrokerResponseFuture.get(JsonAsyncHttpPinotClientTransport.java:185) ... 9 more

Can you see anything in the server/broker logs?

after restarting broker, its fine