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在許多生產服務器上啓動服務器時，服務器啓動期間出現嚴重延遲，但無法在測試環境中重現此過程。有沒有人有任何關於如何調試或修復這個問題的建議？它發生在雙方的Tomcat 6和Tomcat 7如何避免Tomcat啓動過程中的分鐘延遲
我們的設置是 的Tomcat 7 春3.1.2 的Hibernate 4.1.7 BoneCP 0.7.1 連接MySQL 5.1.23 New Relic的
它似乎與骨CP
[MSA] DEBUG [2013-02-18 14:58:34,903] DefaultListableBeanFactory.invokeInitMethods(1498) | Invoking afterPropertiesSet() on bean with name 'dataSource'
[MSA] DEBUG [2013-02-18 14:58:34,919] BoneCPDataSource.maybeInit(148) | JDBC URL = jdbc:mysql://1.1.1.1:3306/db_prod?createDatabaseIfNotExist=true&useUnicode=true&characterEncoding=utf-8&sessionVariables=FOREIGN_KEY_CHECKS=0, Username = xyz, partitions = 3, max (per partition) = 30, min (per partition) = 10, helper threads = 3, idle max age = 3 min, idle test period = 2 min
[MSA] DEBUG [2013-02-18 15:01:11,474] DefaultListableBeanFactory.doGetBean(245) | Returning cached instance of singleton bean 'managerTx'
我們的骨骼CP設置如下
<bean id="dataSource"
class="org.springframework.jdbc.datasource.LazyConnectionDataSourceProxy">
<property name="targetDataSource">
<ref local="mainDataSource" />
</property>
</bean>
<bean id="mainDataSource" class="com.jolbox.bonecp.BoneCPDataSource" destroy-method="close">
<property name="driverClass" value="${jdbc.driverClassName}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<property name="idleMaxAgeInMinutes" value="3"/>
<property name="idleConnectionTestPeriodInMinutes" value="2"/>
<property name="maxConnectionsPerPartition" value="30"/>
<property name="minConnectionsPerPartition" value="10"/>
<property name="partitionCount" value="3"/>
<property name="acquireIncrement" value="2"/>
<property name="statementsCacheSize" value="100"/>
<property name="releaseHelperThreads" value="3"/>
</bean>
基於Mindas的建議。下面是在等待期間發生了什麼的堆棧跟蹤
"pool-3-thread-1" prio=10 tid=0x00007fd26c004000 nid=0x5c7e runnable [0x00007fd2c4722000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:150)
at java.net.SocketInputStream.read(SocketInputStream.java:121)
at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:114)
at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:161)
at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:189)
- locked <0x00000000ccf12490> (a com.mysql.jdbc.util.ReadAheadInputStream)
at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3049)
at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:597)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1084)
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2465)
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2498)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2283)
- locked <0x00000000ccf04310> (a com.mysql.jdbc.JDBC4Connection)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:822)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:404)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:317)
at java.sql.DriverManager.getConnection(DriverManager.java:579)
at java.sql.DriverManager.getConnection(DriverManager.java:221)
at com.jolbox.bonecp.BoneCP.obtainRawInternalConnection(BoneCP.java:256)
at com.jolbox.bonecp.ConnectionHandle.obtainInternalConnection(ConnectionHandle.java:211)
at com.jolbox.bonecp.ConnectionHandle.<init>(ConnectionHandle.java:170)
at com.jolbox.bonecp.BoneCP.<init>(BoneCP.java:371)
at com.jolbox.bonecp.BoneCPDataSource.maybeInit(BoneCPDataSource.java:150)
at com.jolbox.bonecp.BoneCPDataSource.getConnection(BoneCPDataSource.java:112)
at org.springframework.jdbc.datasource.LazyConnectionDataSourceProxy.afterPropertiesSet(LazyConnectionDataSourceProxy.java:163)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1514)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1452)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
- locked <0x00000000dc56d780> (a java.util.concurrent.ConcurrentHashMap)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:322)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:106)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1360)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1118)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
- locked <0x00000000dc56d780> (a java.util.concurrent.ConcurrentHashMap)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
如果您在Unix環境下運行生產，請參閱http://wiki.apache.org/tomcat/HowTo/FasterStartUp，尤其是Entropy Source部分。 – 2013-03-01 15:27:05
我從來沒有在日誌中看到任何熵相關的警告。 – Marc 2013-03-04 18:21:10
但是，JDBC連接不像Tomcat容器那樣記錄日誌。我把它作爲熵關係的另一個領域的例子。 – 2013-03-04 18:54:42