Spring Cloud Alibaba这个报错，是有20个链接，都在执行着同一个SQL吗？
org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 120000, active 20, maxActive 20, creating 0, runningSqlCount 20 : SELECT h.po_id
FROM pur_purorder_head h
LEFT JOIN pur_purorder_headz h2 ON h2.po_id = h.po_id
INNER JOIN pur_purorder_item i
ON i.po_id = h.po_id
AND h.document_type = ?
LEFT JOIN pur_purorder_itemz i2 ON i2.po_id = h.po_id
LEFT JOIN pur_request_headz rh ON rh.pr_id = h2.pr_id
LEFT JOIN pur_purorder_add a ON a.po_id = h.po_id
LEFT JOIN pur_bidresult_head bh ON i2.bid_win_id = bh.bid_win_id
LEFT JOIN pur_purorder_text t ON h.po_id = t.po_id
WHERE h.CREATETIME >= ?
AND h.CREATETIME <= ?
AND h.company_id IN (?)
AND (locate(?, i.delete_flag) = ?
OR i.delete_flag IS NULL)
GROUP BY h.poid
ORDER BY h.ID DESC
LIMIT ?
写回答
数据库连接池被占满了，拿不到连接，不是都在执行同一个sql的意思。此回答整理自钉群“群5 Spring Cloud Alibaba”
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