sixlei commented on code in PR #6569:
URL: https://github.com/apache/incubator-seata/pull/6569#discussion_r1634051263
##########
rm-datasource/src/main/java/org/apache/seata/rm/datasource/undo/AbstractUndoLogManager.java:
##########
@@ -339,20 +339,22 @@ public void undo(DataSourceProxy dataSourceProxy, String
xid, long branchId) thr
State.GlobalFinished.name());
}
} else {
- insertUndoLogWithGlobalFinished(xid, branchId,
UndoLogParserFactory.getInstance(), conn);
- conn.commit();
- if (LOGGER.isInfoEnabled()) {
- LOGGER.info("xid {} branch {}, undo_log added with
{}", xid, branchId,
- State.GlobalFinished.name());
+ try {
+ insertUndoLogWithGlobalFinished(xid, branchId,
UndoLogParserFactory.getInstance(), conn);
Review Comment:
The changes here are to narrow the scope of the catch for
SQLIntegrityConstraintViolationException at the outermost level, only handling
conflicts with the unique index on the undo_log. If the unique index conflict
also occurs when executing the rollback undoExecutor.executeOn for the
business, it will enter a deadlock directly here.
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