在使用hibernate连接池(ProxoolConf.xml)时经常出现
这个异常(could not inspect JDBC autocommit mode)一直没有得到解决,希望能帮忙看下,耽误你宝贵时间了:
1.hibernate.cfg.xml
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<!-- Generated by MyEclipse Hibernate Tools. -->
<hibernate-configuration>
<session-factory>
<property name="proxool.pool_alias">pool1</property>
<property name="proxool.xml">ProxoolConf.xml</property>
<property name="connection.provider_class">
org.hibernate.connection.ProxoolConnectionProvider
</property>
<property name="current_session_context_class">thread</property>
<mapping resource="com/test/vo/Hotsell.hbm.xml" />
<mapping resource="com/test/vo/Administrator.hbm.xml" />
</session-factory>
</hibernate-configuration>
2.ProxoolConf.xml配置
<?xml version="1.0" encoding="utf-8"?>
<!-- the proxool configuration can be embedded within your own application's.
Anything outside the "proxool" tag is ignored. -->
<something-else-entirely>
<proxool>
<alias>pool1</alias>
<!--proxool只能管理由自己产生的连接-->
<driver-url>
jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=gb2312
</driver-url>
<driver-class>org.gjt.mm.mysql.Driver</driver-class>
<driver-properties>
<property name="user" value="root" />
<property name="password" value="root" />
</driver-properties>
<!-- proxool自动侦察各个连接状态的时间间隔(毫秒),侦察到空闲的连接就马上回收,超时的销毁-->
<house-keeping-sleep-time>90000</house-keeping-sleep-time>
<!-- 指因未有空闲连接可以分配而在队列中等候的最大请求数,超过这个请求数的用户连接就不会被接受-->
<maximum-new-connections>20</maximum-new-connections>
<!-- 最少保持的空闲连接数-->
<prototype-count>5</prototype-count>
<!-- 允许最大连接数,超过了这个连接,再有请求时,就排在队列中等候,最大的等待请求数由maximum-new-connections决定-->
<maximum-connection-count>100</maximum-connection-count>
<!-- 最小连接数-->
<minimum-connection-count>10</minimum-connection-count>
</proxool>
</something-else-entirely>
3.出现异常
org.apache.jasper.JasperException:
could not inspect JDBC autocommit mode
at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspSer
vletWrapper.java:460)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
.java:373)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:3
29)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:188)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDisp
atcher.java:679)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationD
ispatcher.java:584)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDis
patcher.java:497)
at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary
.java:965)
at org.apache.jsp.views.index.protocol_jsp._jspService(protocol_jsp.java
:80)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
.java:331)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:3
29)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:188)
at com.icxq.filter.EncodingFilter.doFilter(EncodingFilter.java:35)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:174)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:874)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.p
rocessConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpo
int.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFol
lowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:689)
at java.lang.Thread.run(Thread.java:595)
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