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From "meindert" <meind...@eduflex.com>
Subject RE: Database Connection reset on Oracle 10g AS using Oracle 11g database
Date Tue, 06 Oct 2009 14:20:19 GMT
I'm using;

<bean id="propertyConfigurer"

 
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigure
r">

            <property name="location" value="WEB-INF/config.properties" />

      </bean>

      <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">

            <property name="driverClassName" value="${database_driver}" />

            <property name="url" value="${database_url}" />

            <property name="username" value="${database_user}" />

            <property name="password" value="${database_password}" />

            <property name="defaultAutoCommit" value="true"/>

            <property name="defaultTransactionIsolation" value="2"/>

            <property name="maxActive" value="10"/>

            <property name="removeAbandoned" value="true"/>

            <property name="removeAbandonedTimeout" value="30"/>

            <property name="logAbandoned" value="false"/>

            <property name="validationQuery" value="select 1"/>

      </bean>

Hope it helps

 

From: Jasmin Mehta [mailto:Jasmin_Mehta@nexweb.org] 
Sent: 06 October 2009 04:05 PM
To: user-java@ibatis.apache.org
Cc: lmeadors@apache.org
Subject: Database Connection reset on Oracle 10g AS using Oracle 11g
database

 

Larry, 

I saw an answer for one of the thread 

 <http://www.mail-archive.com/user-java@ibatis.apache.org/msg03522.html>
http://www.mail-archive.com/user-java@ibatis.apache.org/msg03522.html 

I have something similar, How do I modify spring.xml file to use
BasicDataSource feature to ping the query? 

  
I have J2EE application running on OC4J application server. Where the
database connection is dropping / resetting after some idle time. The idle
time varies from 20 mins to 90 mins. The persistence layer is created using
Spring and iBatis with Struts as controller.

I am not able to find that why the code / oracle database is trying to close
the connection before it makes new one.

Here is the exception log:
[05 Oct 2009 11:55:38] DEBUG [SQLErrorCodesFactory] Looking up default
SQLErrorCodes for DataSource
[org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy@13478c8
]
[05 Oct 2009 11:55:38] DEBUG [DataSourceUtils] Fetching JDBC Connection from
DataSource
[05 Oct 2009 11:55:38] DEBUG [DataSourceUtils] Fetching JDBC Connection from
DataSource
[05 Oct 2009 11:55:38] DEBUG [DataSourceUtils] Returning JDBC Connection to
DataSource
[05 Oct 2009 11:55:38] DEBUG [DataSourceUtils] Returning JDBC Connection to
DataSource
[05 Oct 2009 11:55:38] DEBUG [SQLErrorCodesFactory] Database product name
cached for DataSource
[org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy@13478c8
]: name is 'Oracle'
[05 Oct 2009 11:55:38] DEBUG [SQLErrorCodesFactory] SQL error codes for
'Oracle' found
[05 Oct 2009 11:55:38] DEBUG [SQLErrorCodeSQLExceptionTranslator]
Translating SQLException with SQL state '08006', error code '17002', message
[  
--- The error occurred in org/nexweb/qol/gcc/ibatis/dao/xml/User.xml.  
--- The error occurred while applying a parameter map.  
--- Check the getUserByUserNameAndRealmName-InlineParameterMap.  
--- Check the statement (query failed).  
--- Cause: java.sql.SQLException: Io exception: Connection reset by peer:
socket write error]; SQL was [] for task [SqlMapClient operation]
[05 Oct 2009 11:55:38] DEBUG [DataSourceUtils] Returning JDBC Connection to
DataSource
[05 Oct 2009 11:55:38] DEBUG [UserSqlMapDAO] Could not close JDBC Connection
java.sql.SQLException: Already closed.
      at
org.apache.commons.dbcp.PoolableConnection.close(PoolableConnection.java:84)
      at
org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.close(P
oolingDataSource.java:181)
      at
org.springframework.jdbc.datasource.DataSourceUtils.doReleaseConnection(Data
SourceUtils.java:313)
      at
org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy$Transact
ionAwareInvocationHandler.invoke(TransactionAwareDataSourceProxy.java:166)
      at $Proxy0.close(Unknown Source)
      at
org.springframework.orm.ibatis.SqlMapClientTemplate.execute(SqlMapClientTemp
late.java:218)
      at
org.springframework.orm.ibatis.SqlMapClientTemplate.queryForObject(SqlMapCli
entTemplate.java:271)
      at
org.nexweb.qol.gcc.ibatis.dao.sqlmaps.UserSqlMapDAO.getUserByUserNameAndReal
mName(UserSqlMapDAO.java:26)
      at
org.nexweb.qol.gcc.ibatis.services.UserService.getUserByUserNameAndRealmName
(UserService.java:30)
      at
org.nexweb.qol.gcc.actions.WelcomeAction.execute(WelcomeAction.java:71)
      at
org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction
.java:58)
      at
org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecu
teAction.java:67)
      at
org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase
.java:51)
      at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
      at
org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:30
4)
      at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
      at
org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequest
Processor.java:283)
      at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
      at
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
      at
com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispa
tcher.java:713)
      at
com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletReq
uestDispatcher.java:370)
      at
com.evermind.server.http.ServletRequestDispatcher.unprivileged_forward(Servl
etRequestDispatcher.java:259)
      at
com.evermind.server.http.ServletRequestDispatcher.access$100(ServletRequestD
ispatcher.java:51)
      at
com.evermind.server.http.ServletRequestDispatcher$2.oc4jRun(ServletRequestDi
spatcher.java:193)
      at
oracle.oc4j.security.OC4JSecurity.doPrivileged(OC4JSecurity.java:283)
      at
com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDisp
atcher.java:198)
      at
com.evermind.server.http.EvermindPageContext.forward(EvermindPageContext.jav
a:392)
      at _jsp._forward._jspService(_forward.java:48)
      at
com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:59)
      at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:462)
      at
oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:594)
      at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:518)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
      at
com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispa
tcher.java:713)
      at
com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletReq
uestDispatcher.java:370)
      at
com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHand
ler.java:871)
      at
com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandle
r.java:453)
      at
com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandl
er.java:221)
      at
com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:122)
      at
com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:111)
      at
oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketRea
dHandler.java:260)
      at
com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableRe
sourcePooledExecutor.java:303)
      at java.lang.Thread.run(Thread.java:595)

Here is the Spring.xml code related to datasource : 

  


<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN"
                                   "
<http://www.springframework.org/dtd/spring-beans-2.0.dtd>
http://www.springframework.org/dtd/spring-beans-2.0.dtd">
<beans>
   <bean id="propertyConfigurer"
 
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigure
r">
       <property name="location" value="classpath:jdbc.properties"/>
   </bean>

   <bean id="dataSource"
         class=" org.apache.commons.dbcp.BasicDataSource">          
       <property name="driverClassName" value="${jdbc.driverClassName}"/>
       <property name="url" value="${jdbc.url}"/>
       <property name="username" value="${jdbc.username}"/>
       <property name="password" value="${jdbc.password}"/>
   </bean> 
  
   <bean id="sqlMapClient"
         class="org.springframework.orm.ibatis.SqlMapClientFactoryBean">
       <property name="configLocation">
 
<value>classpath:org/nexweb/qol/gcc/ibatis/config/SqlMapConfig.xml</value>
       </property>

       <property name="transactionConfigProperties">
         <props>
               <prop key="autoCommitAllowed">true</prop>
         </props>        
       </property> 

      <property name="useTransactionAwareDataSource">
           <value>true</value> 
      </property>
       <property name="transactionConfigClass">
 
<value>com.ibatis.sqlmap.engine.transaction.jdbc.JdbcTransactionConfig</valu
e>
       </property>
       <property name="dataSource" ref="dataSource"/> 
   </bean>

 

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