Question

tomcat无法获取可用的数据库连接 oracle

tomcat隔两三天就提示一下：无法获取可用的数据库连接，当前连接的活动数：50 空闲数：0

提示后就不可以用了。。。现在都是重启下tomcat 但是不能老重启啊啊 啊啊 啊啊

求高手了！！怎么才能彻底解决。。

下面是log文件：

[WARN ] [2010-11-18 09:06] -com.deep.w.engine.core.TimeOutThread.execute(TimeOutThread.java:150)(499084265) - java.lang.NullPointerException
[ERROR] [2010-11-18 09:06] -com.deep.sys.DataSource.getConnection(DataSource.java:64)(499084265) - 无法获取可用的数据库连接，当前连接的活动数：50 空闲数：0
org.apache.commons.dbcp.SQLNestedException: Cannot get a connection, pool exhausted
at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:103)
at com.deep.utils.dbpool.DBCPConnectionProvider.getConnection(DBCPConnectionProvider.java:113)
at com.deep.sys.DataSource.getConnection(DataSource.java:58)
at com.deep.w.engine.core.EngineImpl.getConnection(EngineImpl.java:167)
at com.deep.w.engine.core.ActivityImpl.timeout(ActivityImpl.java:1812)
at com.deep.w.engine.core.TimeOutThread.execute(TimeOutThread.java:144)
at com.deep.utils.job.TimerQueue$TimerTaskLoop.run(TimerQueue.java:104)
at java.lang.Thread.run(Thread.java:534)
Caused by: java.util.NoSuchElementException
at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:744)
at org.apache.commons.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:95)
... 7 more

Answer 1

重装一个啊
可以装个tomcat6绿色免安装版
不容易出问题

Answer 2

你把TOMCAT里的连接数设置小点比如设置成5个