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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