924060929 commented on code in PR #66913:
URL: https://github.com/apache/doris/pull/66913#discussion_r3838733357
##########
fe/fe-core/src/main/java/org/apache/doris/service/arrowflight/sessions/FlightSqlConnectPoolMgr.java:
##########
@@ -56,6 +58,12 @@ public int registerConnection(ConnectContext ctx) {
@Override
public void unregisterConnection(ConnectContext ctx) {
+ // Reject new publications first, then signal the active query before
waiting for an admitted
+ // GetFlightInfo publisher. Waiting before cancellation can deadlock
KILL CONNECTION behind the
+ // publisher whose query must be canceled in order to leave
publication.
+ ctx.sealFlightSqlDeferredExecutors();
+ ctx.cancelQuery(new Status(TStatusCode.CANCELLED, "arrow flight
connection closed"));
Review Comment:
这条评论涉及通用查询、任务、Streaming、Flight、Hive 或其他非本 PR 生命周期问题，不属于本 PR 仅处理 Hudi/Iceberg
资源关闭与泄露的范围。当前 head 已撤回对应旁支改动，本 PR 忽略该问题。
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