[C3P0]数据源死锁,求助,APPARENT DEADLOCK!!!

大彪先生 2014-09-04 01:27:42
2014-09-04 10:31:19,672 [// - - ] ERROR com.buyantech.rss.dao.InfoDao - Network or link fails, try to get the link! errorMessage:Data truncation: Data too long for column 'content' at row 1
2014-09-04 12:04:54,389 [// - - ] WARN com.mchange.v2.async.ThreadPoolAsynchronousRunner - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@153a48d -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
2014-09-04 12:04:54,389 [// - - ] WARN com.mchange.v2.async.ThreadPoolAsynchronousRunner - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@153a48d -- APPARENT DEADLOCK!!! Complete Status:
Managed Threads: 3
Active Threads: 3
Active Tasks:
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@17202c0 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@12b2f8 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1a3f55e (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2)
Pending Tasks:
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@141f864
Pool thread stack traces:
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,main]
java.net.SocketInputStream.socketRead0(Native Method)
java.net.SocketInputStream.read(SocketInputStream.java:150)
java.net.SocketInputStream.read(SocketInputStream.java:121)
com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113)
com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160)
com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188)
com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2452)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2906)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2895)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3438)
com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1951)
com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2101)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2548)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2477)
com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1422)
com.mysql.jdbc.ConnectionImpl.loadServerVariables(ConnectionImpl.java:3804)
com.mysql.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:3362)
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2062)
com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:723)
com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
sun.reflect.GeneratedConstructorAccessor17.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
java.lang.reflect.Constructor.newInstance(Constructor.java:526)
com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2,5,main]
java.net.SocketInputStream.socketRead0(Native Method)
java.net.SocketInputStream.read(SocketInputStream.java:150)
java.net.SocketInputStream.read(SocketInputStream.java:121)
com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113)
com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160)
com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188)
com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2452)
com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:591)
com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1070)
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2048)
com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:723)
com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
sun.reflect.GeneratedConstructorAccessor17.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
java.lang.reflect.Constructor.newInstance(Constructor.java:526)
com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,main]
java.net.SocketInputStream.socketRead0(Native Method)
java.net.SocketInputStream.read(SocketInputStream.java:150)
java.net.SocketInputStream.read(SocketInputStream.java:121)
com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113)
com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160)
com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188)
com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2452)
com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:591)
com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1070)
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2048)
com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:723)
com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
sun.reflect.GeneratedConstructorAccessor17.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
java.lang.reflect.Constructor.newInstance(Constructor.java:526)
com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)





死锁了,求帮忙分析原因....
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loveunittesting 2014-09-29
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别求人了，没用，这无解。因为如此，我早抛弃spring了
大彪先生 2014-09-24
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UP.. 求人解答..
大彪先生 2014-09-24
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UP.. 求人解答..
大彪先生 2014-09-24
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UP.. 求人解答..
火柴棍的坚强 2014-09-05
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loveunittesting 2014-09-05
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引用 13 楼 u010811257 的回复:
引用 12 楼 yys79 的回复:
[quote=引用 10 楼 u010811257 的回复:] [quote=引用 8 楼 yys79 的回复:] 你没用spring吧？
只用了spring的调度.. 您看出什么问题了没有?
如果只用了spring的调度就不清楚了。如果用普通的spring控制事务，并发量稍微有几个就可能死锁数据源[/quote]有木有什么解决方案呢?[/quote] 我的方案就是不用spring，想在spring框架内解决不行，起码目前是无解。
大彪先生 2014-09-05
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来人,来帮帮忙呀...
大彪先生 2014-09-05
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引用 8 楼 yys79 的回复:
你没用spring吧？
只用了spring的调度.. 您看出什么问题了没有?
大彪先生 2014-09-05
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引用 7 楼 sui2121 的回复:
你是之前是正常的然后突然出现这个问题的吗？ 我之前有过这个问题 不过我重新再svn上拉下来一个项目 就好了 百度了一下 有这样的问题 他们都说换掉C3P0 帮顶！！
开始用的dbcp,也是出问题. 后来换成jdbc + c3p0 + springmvc了. 时间一长,就出问题了. ...
loveunittesting 2014-09-05
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你没用spring吧？
大彪先生 2014-09-05
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引用 12 楼 yys79 的回复:
引用 10 楼 u010811257 的回复:
[quote=引用 8 楼 yys79 的回复:] 你没用spring吧？
只用了spring的调度.. 您看出什么问题了没有?
如果只用了spring的调度就不清楚了。如果用普通的spring控制事务，并发量稍微有几个就可能死锁数据源[/quote]有木有什么解决方案呢?
sui2121 2014-09-05
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你是之前是正常的然后突然出现这个问题的吗？ 我之前有过这个问题 不过我重新再svn上拉下来一个项目 就好了 百度了一下 有这样的问题 他们都说换掉C3P0 帮顶！！
loveunittesting 2014-09-05
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引用 10 楼 u010811257 的回复:
引用 8 楼 yys79 的回复:
你没用spring吧？
只用了spring的调度.. 您看出什么问题了没有?
如果只用了spring的调度就不清楚了。如果用普通的spring控制事务，并发量稍微有几个就可能死锁数据源
hp_feng 2014-09-05
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帮顶....
hp_feng 2014-09-05
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帮顶....
hp_feng 2014-09-05
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帮顶....
大彪先生 2014-09-04
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自己顶.. 求大神来帮忙....
大彪先生 2014-09-04
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自己顶.. 求大神来帮忙....
大彪先生 2014-09-04
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另外一个日志文件: 2014-09-04 12:04:54,389 [// - - ] WARN com.mchange.v2.async.ThreadPoolAsynchronousRunner - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@153a48d -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks! 2014-09-04 12:04:54,389 [// - - ] WARN com.mchange.v2.async.ThreadPoolAsynchronousRunner - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@153a48d -- APPARENT DEADLOCK!!! Complete Status: Managed Threads: 3 Active Threads: 3 Active Tasks: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@17202c0 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0) com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@12b2f8 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1) com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1a3f55e (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2) Pending Tasks: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@141f864 Pool thread stack traces: Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,main] java.net.SocketInputStream.socketRead0(Native Method) java.net.SocketInputStream.read(SocketInputStream.java:150) java.net.SocketInputStream.read(SocketInputStream.java:121) com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113) com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160) com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188) com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2452) com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2906) com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2895) com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3438) com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1951) com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2101) com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2548) com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2477) com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1422) com.mysql.jdbc.ConnectionImpl.loadServerVariables(ConnectionImpl.java:3804) com.mysql.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:3362) com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2062) com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:723) com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) sun.reflect.GeneratedConstructorAccessor17.newInstance(Unknown Source) sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) java.lang.reflect.Constructor.newInstance(Constructor.java:526) com.mysql.jdbc.Util.handleNewInstance(Util.java:406) com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302) com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282) com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134) com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182) com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137) com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014) com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32) com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810) com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2,5,main] java.net.SocketInputStream.socketRead0(Native Method) java.net.SocketInputStream.read(SocketInputStream.java:150) java.net.SocketInputStream.read(SocketInputStream.java:121) com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113) com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160) com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188) com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2452) com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:591) com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1070) com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2048) com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:723) com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) sun.reflect.GeneratedConstructorAccessor17.newInstance(Unknown Source) sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) java.lang.reflect.Constructor.newInstance(Constructor.java:526) com.mysql.jdbc.Util.handleNewInstance(Util.java:406) com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302) com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282) com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134) com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182) com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137) com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014) com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32) com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810) com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,main] java.net.SocketInputStream.socketRead0(Native Method) java.net.SocketInputStream.read(SocketInputStream.java:150) java.net.SocketInputStream.read(SocketInputStream.java:121) com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113) com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160) com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188) com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2452) com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:591) com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1070) com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2048) com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:723) com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) sun.reflect.GeneratedConstructorAccessor17.newInstance(Unknown Source) sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) java.lang.reflect.Constructor.newInstance(Constructor.java:526) com.mysql.jdbc.Util.handleNewInstance(Util.java:406) com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302) com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282) com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134) com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182) com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137) com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014) com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32) com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810) com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
c3p0连接池报死锁,APPARENT DEADLOCK!!!
c3p0连接池报死锁,APPARENT DEADLOCK!!! 我的问题是每次获取数据库连接时都去new了一个new ComboPooledDataSource(name); 解决办法：将已连接的数据源放入map，获取新的数据库连接时直接取用就行了。 //获取连接池中的连接 public synchronized final Connection getConnection(String name){ if(dataSourceMap.containsKey(name)){//不用每次获取数
c3p0 APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks
2018-01-04 15:02:03,319 ---com.mchange.v2.async.ThreadPoolAsynchronousRunner: com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@4d6c4ebb -- APPARENT DEADLOCK!!! Creating emergency thr...
mysql APPARENT DEADLOCK!!! Complete Status:Managed Threads: 3 (c3p0,druid)
问题场景 由于在生产环境出现问题，应用挂掉，作为菜鸟运维，解决问题有点忙手忙脚 线上bug修复，重启tomcat 启动报错，错误截图在下面 根据日志分析像是死锁 使用C3P0连接池 tomcat启动完之后，还能正常运行 解决问题经过： 网上有不少“APPARENT DEADLOCK”问题的解决方案，大部分解决方式都一样，我猜想每个人遇到这个错误的原因并非一样，所以解决方式也不同...
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项目进行压力测试的时候，运行大概1小时候，后台抛出以下异常： Nov 9, 2012 1:41:59 AM com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector runWARNING: com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetec...
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