Hi,
Without seeing your code, I can offer a
supposition. Sounds like you are
repeatedly accessing the same servlet from the
same browser by hitting refresh. If so, it is
possible that your servlet gets an IOException
(`Connection reset by peer`) when trying to write
to a closed socket. I am guessing that the
db.commit() in your code may not get called.
Try wrapping your servlet code in a "try ...
finally" and call db.commit() in the finally.
Hope this helps.
-o
--- Carlos Illana <[EMAIL PROTECTED]> wrote:
> I have written a simple JSP that all occurences in
> the DB of a type of
> object, but when this JSP is accessed concurrently
> (for instance with a
> reload of the page before it is totally served)
> Castor complains with
> following exception.
>
> How can I solve this problem? Should db.begin()
> block if there is a
> transaction in progress? Ask if there is a
> transaction with
> db.active()???
>
> Thanx,
> Carlos
>
> org.exolab.castor.jdo.PersistenceException: This
> thread is already
> associated with a transaction in progress
> at
>
org.exolab.castor.jdo.PersistenceException.<init>(PersistenceException.j
> ava:79)
> at
>
org.exolab.castor.jdo.engine.DatabaseImpl.begin(DatabaseImpl.java:477)
> at
>
_0002fall_0005fpapers_0002ejspall_0005fpapers_jsp_0._jspService(_0002fal
>
l_0005fpapers_0002ejspall_0005fpapers_jsp_0.java:115)
> at
>
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
> at
>
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
>
org.apache.jasper.servlet.JspServlet$JspCountedServlet.service(JspServle
> t.java:130)
> at
>
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
>
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServle
> t.java:282)
> at
>
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:429)
> at
>
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:500)
> at
>
javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
>
org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:405)
> at
>
org.apache.tomcat.core.Handler.service(Handler.java:287)
> at
>
org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
> at
>
org.apache.tomcat.core.ContextManager.internalService(ContextManager.jav
> a:797)
> at
>
org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
> at
>
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnec
> tion(Ajp12ConnectionHandler.java:166)
> at
>
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
> at
>
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:50
> 1)
> at java.lang.Thread.run(Thread.java:498)
>
>
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