{"id":54937,"date":"2025-08-13T13:39:46","date_gmt":"2025-08-13T05:39:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/54937.html"},"modified":"2025-08-13T13:39:46","modified_gmt":"2025-08-13T05:39:46","slug":"jdbc%e4%b8%ad%e4%ba%8b%e5%8a%a1%e5%9b%9e%e6%bb%9a%e5%a4%b1%e8%b4%a5%e7%9a%84%e6%8a%a5%e9%94%99%e4%b8%8e%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/54937.html","title":{"rendered":"JDBC\u4e2d\u4e8b\u52a1\u56de\u6eda\u5931\u8d25\u7684\u62a5\u9519\u4e0e\u89e3\u51b3\u65b9\u6848"},"content":{"rendered":"

JDBC\u4e2d\u4e8b\u52a1\u56de\u6eda\u5931\u8d25\u7684\u62a5\u9519\u4e0e\u89e3\u51b3\u65b9\u6848<\/h2>\n

\u5728JDBC\u5f00\u53d1\u4e2d\uff0c\u4e8b\u52a1\u56de\u6eda\u662f\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u7684\u6838\u5fc3\u673a\u5236\u3002\u7136\u800c\uff0c\u5f00\u53d1\u8005\u5e38\u9047\u5230\\”Transaction rollback failed\\”\u6216\\”Could not roll back JDBC transaction\\”\u7b49\u5f02\u5e38\uff0c\u5bfc\u81f4\u6570\u636e\u6c61\u67d3\u751a\u81f3\u7cfb\u7edf\u5d29\u6e83\u3002\u672c\u6587\u57fa\u4e8eCSDN\u793e\u533a\u771f\u5b9e\u6848\u4f8b\uff0c\u7cfb\u7edf\u68b3\u7406JDBC\u4e8b\u52a1\u56de\u6eda\u5931\u8d25\u768412\u7c7b\u5178\u578b\u573a\u666f\uff0c\u63d0\u4f9b\u53ef\u843d\u5730\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

\u4e00\u3001\u9ad8\u9891\u9519\u8bef\u573a\u666f\u4e0e\u8bca\u65ad\u77e9\u9635<\/h3>\n

1.1 \u9519\u8bef\u7c7b\u578b\u5206\u7c7b<\/h4>\n\n\n \u9519\u8bef\u7c7b\u578b
\n \u5178\u578b\u73b0\u8c61
\n \u5173\u8054\u7ec4\u4ef6
\n \u89e3\u51b3\u65b9\u6848\u4f18\u5148\u7ea7
\n <\/tr>\n\n\n\n\n\n\n
\u5b58\u50a8\u5f15\u64ce\u4e0d\u517c\u5bb9<\/td>\n\u6267\u884c\u56de\u6eda\u540e\u6570\u636e\u4ecd\u88ab\u4fee\u6539\uff0c\u65e5\u5fd7\u663e\u793a\\”MyISAM storage engine doesn\u2019t support transaction\\”<\/td>\nMySQL\u8868\u5f15\u64ce<\/td>\n\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n
\u8fde\u63a5\u6c60\u914d\u7f6e\u4e0d\u5f53<\/td>\n\u9ad8\u5e76\u53d1\u4e0b\u51fa\u73b0\\”Connection pool exhausted\\”\u9519\u8bef\uff0c\u4e8b\u52a1\u63d0\u4ea4\u8d85\u65f6<\/td>\nDruid\/HikariCP<\/td>\n\u2605\u2605\u2605\u2605\u2606<\/td>\n<\/tr>\n
\u624b\u52a8\u63d0\u4ea4\u540e\u5f02\u5e38<\/td>\n\u4ee3\u7801\u4e2d\u5148\u8c03\u7528conn.commit()\u518d\u629b\u51fa\u5f02\u5e38\uff0c\u56de\u6eda\u5931\u6548<\/td>\n\u4e1a\u52a1\u4ee3\u7801\u903b\u8f91<\/td>\n\u2605\u2605\u2605\u2605\u2606<\/td>\n<\/tr>\n
\u6b7b\u9501\u5bfc\u81f4\u56de\u6eda\u5931\u8d25<\/td>\n\u65e5\u5fd7\u663e\u793a\\”Deadlock found when trying to get lock\\”\uff0c\u4e8b\u52a1\u65e0\u6cd5\u63a8\u8fdb<\/td>\n\u6570\u636e\u5e93\u9501\u673a\u5236<\/td>\n\u2605\u2605\u2605\u2606\u2606<\/td>\n<\/tr>\n
DDL\u8bed\u53e5\u9690\u5f0f\u63d0\u4ea4<\/td>\n\u4e8b\u52a1\u4e2d\u6267\u884cCREATE TABLE\u540e\uff0c\u540e\u7eed\u64cd\u4f5c\u65e0\u6cd5\u56de\u6eda<\/td>\nSQL\u8bed\u53e5\u7c7b\u578b<\/td>\n\u2605\u2605\u2605\u2606\u2606<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1.2 \u8bca\u65ad\u4e09\u6b65\u6cd5<\/h4>\n
  • \u65e5\u5fd7\u5206\u6790\uff1a\u5f00\u542fJDBC\u65e5\u5fd7\uff08log4j.logger.java.sql=DEBUG\uff09\uff0c\u89c2\u5bdf\u5b9e\u9645\u6267\u884c\u7684SQL\u548c\u4e8b\u52a1\u72b6\u6001<\/li>\n
  • \u8fde\u63a5\u9a8c\u8bc1\uff1a\u901a\u8fc7connection.isValid(2)\u68c0\u67e5\u8fde\u63a5\u6d3b\u6027<\/li>\n
  • \u5f15\u64ce\u68c0\u67e5\uff1a\u6267\u884cSHOW TABLE STATUS LIKE \\’\u8868\u540d\\’\u786e\u8ba4\u5b58\u50a8\u5f15\u64ce\u7c7b\u578b<\/li>\n

    \u4e8c\u3001\u6838\u5fc3\u89e3\u51b3\u65b9\u6848\u4e0e\u4ee3\u7801\u793a\u4f8b<\/h3>\n

    2.1 \u5b58\u50a8\u5f15\u64ce\u95ee\u9898\u4fee\u590d<\/h4>\n

    \u95ee\u9898\u73b0\u8c61\uff1a\u4f7f\u7528MyISAM\u5f15\u64ce\u7684\u8868\u6267\u884c\u4e8b\u52a1\u64cd\u4f5c\uff0c\u56de\u6eda\u540e\u6570\u636e\u4ecd\u88ab\u4fee\u6539<\/p>\n

    \/\/ \u9519\u8bef\u793a\u4f8b\uff1aMyISAM\u8868\u4e0d\u652f\u6301\u4e8b\u52a1<\/span>
    \npublic<\/span> void<\/span> transferMoney<\/span>(<\/span>)<\/span> throws<\/span> SQLException<\/span> {<\/p>\n

    <\/span>
    \n Connection<\/span> conn =<\/span> DriverManager<\/span>.<\/span>getConnection<\/span>(<\/span>\\”jdbc:mysql:\/\/localhost:3306\/test\\”<\/span>)<\/span>;<\/span>
    \n conn.<\/span>setAutoCommit<\/span>(<\/span>false<\/span>)<\/span>;<\/span>
    \n try<\/span> {<\/p>\n

    <\/span>
    \n Statement<\/span> stmt =<\/span> conn.<\/span>createStatement<\/span>(<\/span>)<\/span>;<\/span>
    \n stmt.<\/span>executeUpdate<\/span>(<\/span>\\”UPDATE myisam_account SET balance = balance – 100 WHERE id = 1\\”<\/span>)<\/span>;<\/span>
    \n stmt.<\/span>executeUpdate<\/span>(<\/span>\\”UPDATE myisam_account SET balance = balance + 100 WHERE id = 2\\”<\/span>)<\/span>;<\/span>
    \n conn.<\/span>commit<\/span>(<\/span>)<\/span>;<\/span> \/\/ \u5373\u4f7f\u6b64\u5904\u629b\u51fa\u5f02\u5e38\uff0c\u6570\u636e\u4ecd\u4f1a\u4fee\u6539<\/span>
    \n }<\/span> catch<\/span> (<\/span>SQLException<\/span> e)<\/span> {<\/p>\n

    <\/span>
    \n conn.<\/span>rollback<\/span>(<\/span>)<\/span>;<\/span> \/\/ \u56de\u6eda\u65e0\u6548<\/span>
    \n }<\/span> finally<\/span> {<\/p>\n

    <\/span>
    \n conn.<\/span>close<\/span>(<\/span>)<\/span>;<\/span>
    \n }<\/span>
    \n}<\/span><\/p>\n

    \u4fee\u590d\u65b9\u6848\uff1a<\/p>\n

  • \u4fee\u6539\u8868\u5f15\u64ce\u4e3aInnoDB\uff08\u9700\u91cd\u542fMySQL\u670d\u52a1\uff09<\/li>\n
  • \u4e34\u65f6\u89e3\u51b3\u65b9\u6848\uff1a\u901a\u8fc7ALTER TABLE myisam_account ENGINE=InnoDB\u5728\u7ebf\u4fee\u6539<\/li>\n

    — \u786e\u8ba4\u5f53\u524d\u5f15\u64ce<\/span>
    \nSHOW<\/span> CREATE<\/span> TABLE<\/span> myisam_account;<\/span><\/p>\n

    — \u4fee\u6539\u5f15\u64ce\uff08\u751f\u4ea7\u73af\u5883\u5efa\u8bae\u5728\u4f4e\u5cf0\u671f\u6267\u884c\uff09<\/span>
    \nALTER<\/span> TABLE<\/span> myisam_account ENGINE<\/span>=<\/span>InnoDB<\/span>;<\/span><\/p>\n

    2.2 \u8fde\u63a5\u6c60\u914d\u7f6e\u4f18\u5316<\/h4>\n

    \u95ee\u9898\u73b0\u8c61\uff1a\u9ad8\u5e76\u53d1\u4e0b\u51fa\u73b0\\”Timeout waiting for idle object\\”\u9519\u8bef<\/p>\n

    Druid\u914d\u7f6e\u4fee\u590d\u793a\u4f8b\uff1a<\/p>\n

    # application.properties
    \nspring.datasource.druid.initial-size=5
    \nspring.datasource.druid.max-active=50
    \nspring.datasource.druid.max-wait=60000
    \nspring.datasource.druid.time-between-eviction-runs-millis=60000
    \nspring.datasource.druid.validation-query=SELECT 1
    \nspring.datasource.druid.test-while-idle=true<\/p>\n

    \u8fde\u63a5\u6709\u6548\u6027\u68c0\u67e5\u4ee3\u7801\uff1a<\/p>\n

    public<\/span> Connection<\/span> getValidConnection<\/span>(<\/span>)<\/span> throws<\/span> SQLException<\/span> {<\/p>\n

    <\/span>
    \n Connection<\/span> conn =<\/span> dataSource.<\/span>getConnection<\/span>(<\/span>)<\/span>;<\/span>
    \n if<\/span> (<\/span>!<\/span>conn.<\/span>isValid<\/span>(<\/span>2<\/span>)<\/span>)<\/span> {<\/p>\n

    <\/span> \/\/ 2\u79d2\u8d85\u65f6\u68c0\u67e5<\/span>
    \n conn.<\/span>close<\/span>(<\/span>)<\/span>;<\/span>
    \n throw<\/span> new<\/span> SQLException<\/span>(<\/span>\\”Invalid connection detected\\”<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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