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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 3 posts ] 
Author Message
 Post subject: Stil having connection reset issues with MySQL
PostPosted: Sat Mar 27, 2004 8:50 am 
Beginner
Beginner

Joined: Mon Dec 29, 2003 12:49 pm
Posts: 41
Location: Boston, MA
Hey everyone,

Can anyone help explain why I'm still getting this stack trace with this hibernate config? The "MySQL close connections after 8 hours" problem is remedied on the development server (running Tomcat 4.1.29, MySQL 4.0.17, Hibernate 2.1.2, Solaris) but NOT on the deployment server (of course) whcih is running: Tomcat 4.1.29, MySQL 4.0.18, Hibernate 2.1.2, Solaris. One noticeable difference between the two installations is not the MySQL versions, but rather the Java versions 1.4.2 on development and 1.4.1 on deployment. Could this be the issue? Not that I shouldn't upgrade the 1.4.1 instance, but I just want to get this thing running at this point and if it isn't the root of the problem then I don't want to spend the time doing it at the moment.... Thank you!

Stack trace:
Code:
Mar 27, 2004 7:00:29 AM net.sf.hibernate.JDBCException <init>
SEVERE: Could not execute query
java.sql.SQLException: Communication link failure: java.net.SocketException, underlying cause: Connection re
set

** BEGIN NESTED EXCEPTION **

java.net.SocketException
MESSAGE: Connection reset

STACKTRACE:

java.net.SocketException: Connection reset
        at java.net.SocketInputStream.read(SocketInputStream.java:168)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:183)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:201)
        at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1449)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1826)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1098)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1192)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:2051)
        at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1496)
        at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java
:205)
        at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java
:205)
        at net.sf.hibernate.impl.BatcherImpl.getResultSet(BatcherImpl.java:87)
        at net.sf.hibernate.loader.Loader.getResultSet(Loader.java:795)
        at net.sf.hibernate.loader.Loader.doQuery(Loader.java:189)
        at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:133)
        at net.sf.hibernate.loader.Loader.doList(Loader.java:950)
        at net.sf.hibernate.loader.Loader.list(Loader.java:941)
        at net.sf.hibernate.hql.QueryTranslator.list(QueryTranslator.java:834)
        at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1512)
        at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1491)
        at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1483)
        at org.wgbh.scape.util.QueryBuilderImpl.executeQuery(QueryBuilderImpl.java:133)
        at org.wgbh.scape.domain.dao.UserDAOImpl.find(UserDAOImpl.java:66)
        at org.wgbh.scape.service.UserService.find(UserService.java:76)
        at org.wgbh.scape.action.ScapeLoginAction.loginUser(ScapeLoginAction.java:710)
        at org.wgbh.scape.action.ScapeLoginAction.login(ScapeLoginAction.java:552)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:280)
        at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:216)
        at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
        at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
        at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:643)
        at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:641)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:641)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:193)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.
java:549)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:589)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:666)
        at java.lang.Thread.run(Thread.java:536)


** END NESTED EXCEPTION **


        at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1614)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1826)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1098)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1192)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:2051)
        at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1496)
        at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java
:205)
        at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java
:205)
        at net.sf.hibernate.impl.BatcherImpl.getResultSet(BatcherImpl.java:87)
        at net.sf.hibernate.loader.Loader.getResultSet(Loader.java:795)
        at net.sf.hibernate.loader.Loader.doQuery(Loader.java:189)
        at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:133)
        at net.sf.hibernate.loader.Loader.doList(Loader.java:950)
        at net.sf.hibernate.loader.Loader.list(Loader.java:941)
        at net.sf.hibernate.hql.QueryTranslator.list(QueryTranslator.java:834)
        at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1512)
        at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1491)
        at net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1483)
        at org.wgbh.scape.util.QueryBuilderImpl.executeQuery(QueryBuilderImpl.java:133)
        at org.wgbh.scape.domain.dao.UserDAOImpl.find(UserDAOImpl.java:66)
        at org.wgbh.scape.service.UserService.find(UserService.java:76)
        at org.wgbh.scape.action.ScapeLoginAction.loginUser(ScapeLoginAction.java:710)
        at org.wgbh.scape.action.ScapeLoginAction.login(ScapeLoginAction.java:552)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:324)
        at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:280)
        at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:216)
        at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
        at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
        at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:643)
        at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:641)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:641)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipelin
e.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:193)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.
java:549)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:589)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:666)
        at java.lang.Thread.run(Thread.java:536)





Hibernate config....


Code:
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration
    PUBLIC "-//Hibernate/Hibernate Configuration DTD//EN"
    "http://hibernate.sourceforge.net/hibernate-configuration-2.0.dtd">

<hibernate-configuration>

    <session-factory name="scape:/hibernate/SessionFactory">
       
        <property name="hibernate.cache.provider_class">net.sf.ehcache.hibernate.Provider</property>
      <!-- <property name="connection.datasource">java:comp/env/jdbc/scapeDB</property>-->

        <property name="show_sql">true</property>
        <property name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
        <property name="connection.username">scape</property>
        <property name="connection.password">scap3</property>
        <property name="connection.url">jdbc:mysql://localhost:3306/scape?autoReconnectForPools=true</property>
        <property name="connection.driver_class">org.gjt.mm.mysql.Driver</property>
        <property name="transaction.factory_class">net.sf.hibernate.transaction.JDBCTransactionFactory</property>
        <property name="cache.use_query_cache">true</property>
        <property name="use_outer_join">false</property>
        <property name="hibernate.cglib.use_reflection_optimizer">false</property>
        <!--configure connection pool -->
        <property name="dbcp.maxActive">100</property>
        <property name="dbcp.whenExhaustedAction">1</property>
        <property name="dbcp.maxWait">120000</property>
        <property name="dbcp.maxIdle">1</property>
        <property name="dbcp.minIdle">0</property>
        <property name="dbcp.ps.maxActive">10</property>
        <property name="dbcp.ps.whenExhaustedAction">1</property>
        <property name="dbcp.ps.maxWait">120000</property>
        <property name="dbcp.ps.maxIdle">100</property>
        <property name="dbcp.validationQuery">select 1</property>
        <property name="dbcp.testOnBorrow">true</property>
        <property name="dbcp.testOnReturn">false</property>
        <!-- Mapping files -->
        <mapping resource="object.hbm.xml"/>


    </session-factory>

</hibernate-configuration>
[/code]

_________________
Brian R. Wainwright
Systems Developer
WGBH Educational Foundation

"WGBH Boston informs, inspires, and entertains millions through public broadcasting, the Web, and educational multimedia, and access services for people with disabilities."


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 Profile  
 
 Post subject:
PostPosted: Sat Mar 27, 2004 8:51 am 
Beginner
Beginner

Joined: Mon Dec 29, 2003 12:49 pm
Posts: 41
Location: Boston, MA
Oh - and I'm using version 3.0.10 of the MySQL JDBC driver on both installations.

_________________
Brian R. Wainwright
Systems Developer
WGBH Educational Foundation

"WGBH Boston informs, inspires, and entertains millions through public broadcasting, the Web, and educational multimedia, and access services for people with disabilities."


Top
 Profile  
 
 Post subject:
PostPosted: Mon Mar 29, 2004 4:31 am 
Hibernate Team
Hibernate Team

Joined: Sun Sep 14, 2003 3:54 am
Posts: 7256
Location: Paris, France
I would be surprised if the JVM version influence your pb.
You're using the reconnect feature of your connection pool ?

_________________
Emmanuel


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