java.net.SocketException MESSAGE: Broken pipe (Write failed)
1.我的项目环境 :javaweb项目采用c3p0连接池与mysql数据库通讯,运行在centos7中的tomcat容器中。症状如下:1.偶尔会报如下的错误(大致是一天一次,时间不定),此次插入数据库失败,但是重新插入就会成功。2.我的c3p0配置如下<c3p0-config ><default-config>
(一)我的项目环境 :javaweb项目采用c3p0连接池与mysql数据库通讯,运行在centos7中的tomcat容器中。
症状如下:
1.偶尔会报如下的错误(大致是一天一次,时间不定),此次插入数据库失败,但是重新插入就会成功。
2.我的c3p0配置如下
<c3p0-config >
<default-config>
<property name="user">root</property>
<property name="password">密码</property>
<property name="driverClass">com.mysql.jdbc.Driver</property>
<property name="jdbcUrl">jdbc:mysql:///数据库名</propertty>
</default-config>
</c3p0-config>
3.报错如下:
** BEGIN NESTED EXCEPTION **
java.net.SocketException
MESSAGE: Broken pipe (Write failed)
STACKTRACE:
java.net.SocketException: Broken pipe (Write failed)
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111)
at java.net.SocketOutputStream.write(SocketOutputStream.java:155)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2637)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1554)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)
at com.mysql.jdbc.Connection.execSQL(Connection.java:3176)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1153)
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1266)
at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76)
at org.apache.commons.dbutils.QueryRunner.query(QueryRunner.java:345)
at org.apache.commons.dbutils.QueryRunner.query(QueryRunner.java:287)
at dao.RechargeMoneyDao.getOrderIdByDeviceNum(RechargeMoneyDao.java:44)
at service.ShengKeService.getCheckInfo(ShengKeService.java:144)
at web.FindOrderServlet.doGet(FindOrderServlet.java:57)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1087)
at org.apache.coyote.AbstractProtocol
A
b
s
t
r
a
c
t
C
o
n
n
e
c
t
i
o
n
H
a
n
d
l
e
r
.
p
r
o
c
e
s
s
(
A
b
s
t
r
a
c
t
P
r
o
t
o
c
o
l
.
j
a
v
a
:
637
)
a
t
o
r
g
.
a
p
a
c
h
e
.
t
o
m
c
a
t
.
u
t
i
l
.
n
e
t
.
J
I
o
E
n
d
p
o
i
n
t
AbstractConnectionHandler.process(AbstractProtocol.java:637) at org.apache.tomcat.util.net.JIoEndpoint
AbstractConnectionHandler.process(AbstractProtocol.java:637)atorg.apache.tomcat.util.net.JIoEndpointSocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor
W
o
r
k
e
r
.
r
u
n
(
T
h
r
e
a
d
P
o
o
l
E
x
e
c
u
t
o
r
.
j
a
v
a
:
624
)
a
t
o
r
g
.
a
p
a
c
h
e
.
t
o
m
c
a
t
.
u
t
i
l
.
t
h
r
e
a
d
s
.
T
a
s
k
T
h
r
e
a
d
Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread
Worker.run(ThreadPoolExecutor.java:624)atorg.apache.tomcat.util.threads.TaskThreadWrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
** END NESTED EXCEPTION **
(二).解决方案
原因是出现了所谓的8小时问题,c3p0中默认的maxIdleTime为0,则表示连接永远不会丢弃连接。
idleConnectionTestPeriod默认为0,表示不会去检测连接池中连接的有效性。
所以需要修改配置如下
<c3p0-config >
<default-config>
<property name="user">账号</property>
<property name="password">密码</property>
<property name="driverClass">com.mysql.jdbc.Driver</property>
<property name="jdbcUrl">jdbc:mysql:///数据库名</property>
<!-- 获取connnection时测试是否有效 -->
<property name="testConnectionOnCheckin">true</property>
<!-- 自动测试的table名称 -->
<property name="automaticTestTable">C3P0TestTable</property>
<!--设置为比wait_timeout小得多的值,可以防止连接失效 -->
<property name="idleConnectionTestPeriod">18000</property>
<!--设置为略低于wait_timeout的值,以防止发送“陈旧”连接-->
<property name="maxIdleTime">25000</property>
</default-config>
</c3p0-config>
更多推荐
所有评论(0)