[提问题]C3P0挂起

[testhu]

[提问题]C3P0挂起
大量线程挂在该处，请帮忙看看，C3p0版本为0.9.1.2

3XMTHREADINFO "http-15100-Processor29" (TID:0x08F7F700, sys_thread_t:0x08E1EFA0, state:CW, native ID:0x00003D51) prio=5
4XESTACKTRACE at java/lang/Object.wait(Native Method)
4XESTACKTRACE at java/lang/Object.wait(Object.java:231(Compiled Code))
4XESTACKTRACE at com/mchange/v2/resourcepool/BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:524(Compiled Code))
4XESTACKTRACE at com/mchange/v2/resourcepool/BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:584(Compiled Code))
4XESTACKTRACE at com/mchange/v2/resourcepool/BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:584(Compiled Code))
4XESTACKTRACE at com/mchange/v2/resourcepool/BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:584(Compiled Code))
4XESTACKTRACE at com/mchange/v2/resourcepool/BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:584(Compiled Code))
4XESTACKTRACE at com/mchange/v2/resourcepool/BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:584(Compiled Code))
4XESTACKTRACE at com/mchange/v2/resourcepool/BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:584(Compiled Code))
4XESTACKTRACE at com/mchange/v2/resourcepool/BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:584(Compiled Code))
4XESTACKTRACE at com/mchange/v2/resourcepool/BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:584(Compiled Code))
4XESTACKTRACE at com/mchange/v2/resourcepool/BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:584(Compiled Code))

[loveunittesting]

啥现象啊？访问几次就挂了？

[testhu]

线程堆栈如上，不能获取到连接，在生产环境中，访问了无数次？

[loveunittesting]

增加最大链接数和每次增加的连接数（acquireIncrement，比如配成5或者换个更大），这2个参数配置一下试试看