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Author Message
schade
 Post subject: "Broken Pipe" using JPA
PostPosted: Tue Nov 28, 2006 9:11 am 
Newbie

Joined: Wed Aug 18, 2004 10:44 am
Posts: 14
Hibernate version:
3.2.0

Full stack trace of any exception that occurs:
Code:
javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not execute query
   at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:647)
   at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:73)
   at com.hypergenic.weboverblik.servlets.AdminTilbudsoversigt.doGet(Unknown Source)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
   at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
   at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300)
   at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374)
   at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)
   at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:675)
   at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
   at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
   at java.lang.Thread.run(Thread.java:595)
Caused by: org.hibernate.exception.JDBCConnectionException: could not execute query
   at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:74)
   at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
   at org.hibernate.loader.Loader.doList(Loader.java:2147)
   at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2028)
   at org.hibernate.loader.Loader.list(Loader.java:2023)
   at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:393)
   at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)
   at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
   at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)
   at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
   at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:64)
   ... 31 more
Caused by: java.sql.SQLException: No operations allowed after connection closed.

Connection was closed due to the following exception:

** BEGIN NESTED EXCEPTION **

java.sql.SQLException
MESSAGE: Communication link failure: java.net.SocketException, underlying cause: Broken pipe

** BEGIN NESTED EXCEPTION **

java.net.SocketException
MESSAGE: Broken pipe

STACKTRACE:

java.net.SocketException: Broken pipe
   at java.net.SocketOutputStream.socketWrite0(Native Method)
   at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
   at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
   at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
   at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
   at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:1758)
   at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:1721)
   at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1144)
   at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)
   at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)
   at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)
   at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186)
   at org.hibernate.loader.Loader.getResultSet(Loader.java:1668)
   at org.hibernate.loader.Loader.doQuery(Loader.java:662)
   at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
   at org.hibernate.loader.Loader.doList(Loader.java:2144)
   at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2028)
   at org.hibernate.loader.Loader.list(Loader.java:2023)
   at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:393)
   at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)
   at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
   at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)
   at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
   at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:64)
   at com.hypergenic.weboverblik.servlets.AdminTilbudsoversigt.doGet(Unknown Source)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
   at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
   at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300)
   at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374)
   at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)
   at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:675)
   at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
   at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
   at java.lang.Thread.run(Thread.java:595)


** END NESTED EXCEPTION **



STACKTRACE:

java.sql.SQLException: Communication link failure: java.net.SocketException, underlying cause: Broken pipe

** BEGIN NESTED EXCEPTION **

java.net.SocketException
MESSAGE: Broken pipe

STACKTRACE:

java.net.SocketException: Broken pipe
   at java.net.SocketOutputStream.socketWrite0(Native Method)
   at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
   at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
   at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
   at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
   at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:1758)
   at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:1721)
   at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1144)
   at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)
   at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)
   at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)
   at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186)
   at org.hibernate.loader.Loader.getResultSet(Loader.java:1668)
   at org.hibernate.loader.Loader.doQuery(Loader.java:662)
   at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
   at org.hibernate.loader.Loader.doList(Loader.java:2144)
   at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2028)
   at org.hibernate.loader.Loader.list(Loader.java:2023)
   at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:393)
   at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)
   at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
   at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)
   at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
   at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:64)
   at com.hypergenic.weboverblik.servlets.AdminTilbudsoversigt.doGet(Unknown Source)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
   at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
   at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300)
   at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374)
   at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)
   at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:675)
   at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
   at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
   at java.lang.Thread.run(Thread.java:595)


** END NESTED EXCEPTION **


   at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:1779)
   at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:1721)
   at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1144)
   at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)
   at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)
   at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)
   at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186)
   at org.hibernate.loader.Loader.getResultSet(Loader.java:1668)
   at org.hibernate.loader.Loader.doQuery(Loader.java:662)
   at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
   at org.hibernate.loader.Loader.doList(Loader.java:2144)
   at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2028)
   at org.hibernate.loader.Loader.list(Loader.java:2023)
   at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:393)
   at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)
   at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
   at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)
   at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
   at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:64)
   at com.hypergenic.weboverblik.servlets.AdminTilbudsoversigt.doGet(Unknown Source)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
   at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
   at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
   at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
   at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300)
   at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374)
   at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)
   at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:675)
   at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
   at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
   at java.lang.Thread.run(Thread.java:595)


** END NESTED EXCEPTION **


   at com.mysql.jdbc.Connection.checkClosed(Connection.java:2459)
   at com.mysql.jdbc.Connection.prepareStatement(Connection.java:1356)
   at com.mysql.jdbc.Connection.prepareStatement(Connection.java:1336)
   at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:497)
   at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:415)
   at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139)
   at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1560)
   at org.hibernate.loader.Loader.doQuery(Loader.java:661)
   at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
   at org.hibernate.loader.Loader.doList(Loader.java:2144)
   ... 39 more

Name and version of the database you are using:
MySQL 5

persistence.xml
Code:
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"
   version="1.0">
      <persistence-unit name="manager1" transaction-type="RESOURCE_LOCAL">
      <properties>
 
           <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
           <property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver" />
           <property name="hibernate.connection.url" value="jdbc:mysql://localhost/spuvo" />
           <property name="hibernate.connection.username" value="opfuscated" />
           <property name="hibernate.connection.password" value="opfuscated" />
      </properties>
   </persistence-unit>
</persistence>


Hi,

I get the error when running the same servlet on Tomcat 5.0.20 for a long time.

The servlet works fine, but after a while, a day or 2 i get the named exception. Then I have to restart tomcat in order to get it up and running again.

It seems to be a common problem when using Hibernate, but I cannot find any discussion about it regarding JCA.

Regards,
René
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 Profile  
 
alesj
 Post subject: Re: "Broken Pipe" using JPA
PostPosted: Tue Nov 28, 2006 10:51 am 
Expert
Expert

Joined: Sat Oct 25, 2003 8:49 am
Posts: 490
Location: Vrhnika, Slovenia
schade wrote:
It seems to be a common problem when using Hibernate


Yes, but that is just because Hibernate is used a lot - with MySQL and other DBs.

This is a known MySQL issue.
Look at the MySQL forum for further information.
Top
 Profile  
 
schade
 Post subject:
PostPosted: Fri Dec 01, 2006 3:39 am 
Newbie

Joined: Wed Aug 18, 2004 10:44 am
Posts: 14
Thank you for your input.

I think i found the fix to my solution. According to the Hibernate documentation:

http://www.hibernate.org/hib_docs/v3/re ... ernatejdbc

Quote:

"Hibernate's own connection pooling algorithm is however quite rudimentary. It is intended to help you get started and is not intended for use in a production system or even for performance testing. You should use a third party pool for best performance and stability."

So I extended my persistence.xml with enough information in order to use the C3P0 connection pool. I have tested it for few days - the error seems to be gone.

Quite shocking to see all the posted persistence.xml files on the net, without a configured connection pool.

Regards,
René
Top
 Profile  
 
alesj
 Post subject:
PostPosted: Fri Dec 01, 2006 4:42 am 
Expert
Expert

Joined: Sat Oct 25, 2003 8:49 am
Posts: 490
Location: Vrhnika, Slovenia
schade wrote:
Quite shocking to see all the posted persistence.xml files on the net, without a configured connection pool.


A lot of those context rely on the DataSource from JNDI, which is normally container managed = pool managed.
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