"runner{object-loader#292}-objecthandler" #323 prio=5 os_prio=0 tid=0x00002aaadc5ec800 nid=0x7f62 in Object.wait() [0x0000000056ce4000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1104)
- locked <0x00000007736013e8> (a org.apache.commons.pool.impl.GenericObjectPool$Latch)
at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106)
at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77)
鎵浠ュ紑濮嬫垜鎬鐤戞槸榪炴帴鐨勯棶棰橈紝浠庣綉涓婁篃鎵懼埌浜嗕竴涓被鍨嬬殑鐜拌薄錛屾湁浜烘鐤戞槸DBPC鐨勪竴涓猙ug瀵艱嚧姝婚攣錛歨ttp://stackoverflow.com/questions/5714511/deadlock-issue-in-dbcp-deployed-on-tomcat錛屾墍浠ユ垜鍗囩駭浜咲BCP鐗堟湰1.4錛岀劧鑰屽拰榪欎漢涓鏍風(fēng)殑緇撴灉錛屽崌綰BCP鐗堟湰騫舵病鏈夎В鍐抽棶棰樸傜畝鍗曠殑鐪婦BCP鐨勪唬鐮侊紝閮藉紑濮嬫鐤戞槸涓嶆槸鍥犱負娌℃湁Spring JdbcTemplate娌℃湁姝ｇ‘鐨勬妸Connection榪斿洖鍥炲幓寮曡搗娉勬紡浜嗭紝鐒惰屼篃鏈夌偣鎰熻涓嶅お鍙兘錛屽洜涓鴻繖孌典唬鐮佸湪鍏朵粬鏁版嵁搴撻兘璺戝緱濂藉ソ鍦幫紝浣嗘槸鎴戜滑鐨勬暟鎹簱鐗堟湰閮芥槸涓鑷寸殑錛岀劧鑰屽叾浠栭厤緗笂涔熻鍋囪涓鑷翠簡錛堣蹇界暐鐨勪竴涓噸瑕佺殑鐐癸級銆?br />java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1104)
- locked <0x00000007736013e8> (a org.apache.commons.pool.impl.GenericObjectPool$Latch)
at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106)
at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77)
鍚庢潵寮濮嬭皟閰嶇疆錛屽噺灝戣繛鎺ユ暟錛屽噺灝戠嚎紼嬫暟錛岀粡榪囧悇縐嶇粍鍚堬紝鍙戠幇褰撴妸DB璇葷殑batch闄嶅埌1鐨勬椂鍊欏氨鍙互work浜嗭紝闈炲父璇″紓鐨勪竴涓棶棰樸備粠鏁版嵁宸ュ叿涓煡鍒幫紝濡傛灉鐢╞atch錛屽緱鍒扮殑SQL鏄?
SELECT <column>, <column> FROM <table> where iid in (@p0, @p1
)
濡傛灉鏄痓atch鏄?鐨勮瘽錛?br />)SELECT <column>, <column> FROM <table> where iid in (@p0)
榪欐SQL璇彞鏄繖涔堜駭鐢熺殑錛?br />DataSource dataSource = ....
this.jdbc = new NamedParameterJdbcTemplate(dataSource);
...
....
})
this.jdbc = new NamedParameterJdbcTemplate(dataSource);
...
MapSqlParameterSource parameters = new MapSqlParameterSource();
parameters.addValue("params", paramsMap.keySet());
jdbc.query("SELECT <columns> FROM <table> where <column> in (:params)";, parameters, new ResultSetExtractor<Void>() {....
})
濡傛灉鏄竴涓猙atch鐨勮瘽錛屽湪jstack鍫嗘爤涓彲浠ョ湅鍒板畠涓鐩村湪絳夋暟鎹簱鐨勮繑鍥炵粨鏋滐細
"runner{object-loader#16}-objecthandler" #47 prio=5 os_prio=0 tid=0x0000000006ddd800 nid=0x2694 runnable [0x0000000045434000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:170)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at com.sybase.jdbc3.timedio.RawDbio.reallyRead(Unknown Source)
at com.sybase.jdbc3.timedio.Dbio.doRead(Unknown Source)
at com.sybase.jdbc3.timedio.InStreamMgr.a(Unknown Source)
at com.sybase.jdbc3.timedio.InStreamMgr.doRead(Unknown Source)
at com.sybase.jdbc3.tds.TdsProtocolContext.getChunk(Unknown Source)
榪欎篃瑙ｉ噴浜嗙涓涓爢鏍堜竴鐩村仠鍦╞orrowObject(getConnection)鐨勯樁孌碉紝鍥犱負涔嬪墠鎵鏈夌殑Connection閮藉湪鏁版嵁搴撳牭浣忔病鏈夎繑鍥烇紝鎵浠ヨ繖涓嚎紼嬪啀鎷緾onnection鐨勬椂鍊欒秴榪囦簡鎴戣緗殑鏈澶onnection鏁幫紝鎵浠ュ氨絳夌潃鎷夸笉鍒癈onnection銆?br />java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:170)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at com.sybase.jdbc3.timedio.RawDbio.reallyRead(Unknown Source)
at com.sybase.jdbc3.timedio.Dbio.doRead(Unknown Source)
at com.sybase.jdbc3.timedio.InStreamMgr.a(Unknown Source)
at com.sybase.jdbc3.timedio.InStreamMgr.doRead(Unknown Source)
at com.sybase.jdbc3.tds.TdsProtocolContext.getChunk(Unknown Source)
鍦ㄥ悗鏉ユ煡浜嗕竴涓嬩笉鍚屾暟鎹簱鐨凧DBC Driver淇℃伅(sp_version):
jConnect (TM) for JDBC(TM)/7.07 ESD #4 (Build 26793)/P/EBF20302/JDK 1.6.0/jdbcmain/OPT/Thu Jul 5 22:08:44 PDT 2012
jConnect (TM) for JDBC(TM)/1000/Wed Mar 11 05:01:24 2015 PDT
jConnect (TM) for JDBC(TM)/1000/Wed Mar 11 05:01:24 2015 PDT
涔熷氨鏄榪欑鐢ㄦ硶鏄洜涓烘棫鐨凧DBC Driver瀵筃amedParameterJdbcTemplate涓嶅畬鍠勫紩璧風(fēng)殑錛岃繖涓潙鑺變簡鎴戜竴鏁村ぉ鐨勬椂闂淬傘傘傘?img src ="http://m.tkk7.com/DLevin/aggbug/428149.html" width = "1" height = "1" />
]]>
]]>
闂鎻忚堪錛?/strong>
濡備互涓嬩袱鏉￠潪甯哥畝鍗曠殑SQL璇彞錛屽畠浠叡鍚岀粍鎴愪簡涓涓猅ransaction錛岄偅涔堝湪澶氱嚎紼嬮珮棰戠巼鎵ц鏃跺氨浼氬紩璧鋒閿侀棶棰橈紙褰撶劧榪欓噷瑕佽冭檻閿佺殑綰у埆闂錛屼竴鑸綾諱技榪欑緋葷粺閮戒細閫夋嫨琛岄攣錛岄偅涔堜互涓嬪紩璧鋒閿佺殑鏉′歡鏄袱鏉¤鍙ラ兘瀵瑰悓涓琛屾搷浣滐級錛?
select <column1> from <table> where <column2> = ?
update <table> set <column1> = %d where <column2> = '%s'
update <table> set <column1> = %d where <column2> = '%s'
闂鍒嗘瀽錛?/strong>
select璇彞闇瑕?#8220;Shared Lock”錛屽洜鑰屽涓嚎紼嬪彲浠ュ悓鏃惰繘鍏ワ紝鑰寀pdate闇瑕?#8220;Exclusive Lock”錛屽綋涓や釜綰跨▼鍚屾椂鎵ц浜唖elect璇彞錛岃岃幏寰椾簡“Shared Lock”錛岃屼粬浠湪鎺ヤ笅鏉ユ墽琛寀pdate璇彞鏃訛紝閮介渶瑕佽幏寰?#8220;Exclusive Lock”鑰屼駭鐢熺珵浜夛紝瀵艱嚧姝婚攣銆?br />
瑙ｅ喅鏂規(guī)1:
浜掓崲浠栦滑鐨勯『搴忥紝榪欐牱錛屽湪絎竴嬈℃墽琛寀pdate璇彞鏃訛紝浠栦滑浼氱珵浜?Exclusive Lock"鑰屽紩璧鋒病鏈夊緱鍒?#8220;Exclusive Lock”鐨勭嚎紼嬬瓑寰咃細
1, update <table> set <column2> = <column2> + <some value> where <column1> = '%s'
2. select <column1> from <table> where <column2> = ?
3. <column1> - <some value> to get the old <column1> value.
2. select <column1> from <table> where <column2> = ?
3. <column1> - <some value> to get the old <column1> value.
瑙ｅ喅鏂規(guī)2錛?/strong>
閲囩敤“Hold Lock”鏂瑰紡錛屽嵆鍦ㄦ墍鏈夋搷浣滀箣鍓嶅仛涓涓猟ummy鐨剈pdate鎿嶄綔錛岃繖鏍峰彲浠ヤ繚璇佸湪榪汿ransaction涔嬪墠闇瑕佸厛鑾峰緱涓涓?#8220;Exclusive Lock”
]]>