BC4J&Servlets&Jsps:(Dev Team)Pro. impl. the combination With full Utiliz. of pooling

Hi,
I am having Problem in the area of Application Module Pooling and the Connection pooling while doing the load test of my application using the BC4J in servlets and Jsps.
1) I am using IAS 1.0.2 comes with BC4J 3.2.1. All my Jsps pages are unable to load the new application. Properties file, it is working with the old properties file.
At this time I copied new BC4J 3.2.2 libraries to IAS, now the new properties file was loaded and making the connection pool.
If I do the load test of 10 requests with concurrency 2 it was failing the requests. I increased the pool size to 20, but no use. (See the errors below)
I have no problems with concurrency 1 and any number of requests. Only the problem is coming when we increased the concurrency more than 1.
2) I am wondering about the scalability issue of using the BC4J in JSP's and servlets with Apache Jserv (IAS 1.0.2)
3) Is it IAS 1.0.2 bug free?
4) I am wondering how this pooling stuff will be starting working in normal local deployment mode.
5) Why the IAS was not given the clean instructions to Local Deployment of BC4J applications.
6) My application is working only if there is no concurrency
Any feed back from Dev Team.
7) My application is using about 30% of CPU time when doing the load test for 50 requests ay concurrency of 1.
Is there any way tune the JAVA stuff.
Thanks in advance
Please see the errors:
[01/03/2001 20:15:04:229 EST] java.lang.NullPointerException
java.lang.RuntimeException: java.lang.NullPointerException
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.fillInStackTrace(Compiled Code)
at java.lang.Throwable.<init>(Compiled Code)
at java.lang.Exception.<init>(Compiled Code)
at java.lang.RuntimeException.<init>(RuntimeException.java:47)
at oracle.jbo.html.jsp.JSPApplicationRegistry.registerApplicationFromPropertyFile(JSPApplicationRegistry.java:212)
at oracle.jbo.html.jsp.JSPApplicationRegistry.registerApplicationFromPropertyFile(JSPApplicationRegistry.java:104)
at jspstock.stock__today._jspService(Compiled Code)
at oracle.jsp.runtime.HttpJsp.service(HttpJsp.java)
at oracle.jsp.app.JspApplication.dispatchRequest(JspApplication.java)
at oracle.jsp.JspServlet.doDispatch(JspServlet.java)
at oracle.jsp.JspServlet.internalService(Compiled Code)
at oracle.jsp.JspServlet.service(JspServlet.java)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:588)
at org.apache.jserv.JServConnection.processRequest(JServConnection.java:314)
at org.apache.jserv.JServConnection.run(JServConnection.java:188)
at java.lang.Thread.run(Thread.java:479)
[09/03/2001 14:10:48:320 EST] JBO-25302: Component object StockTodayView has no parent
oracle.jbo.InvalidOwnerException: JBO-25302: Component object StockTodayView has no parent
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.fillInStackTrace(Compiled Code)
at java.lang.Throwable.<init>(Compiled Code)
at java.lang.Exception.<init>(Compiled Code)
at java.lang.RuntimeException.<init>(Compiled Code)
at oracle.jbo.JboException.<init>(Compiled Code)
at oracle.jbo.InvalidOwnerException.<init>(InvalidOwnerException.java:33)
at oracle.jbo.server.ComponentObjectImpl.getRootApplicationModule(Compiled Code)
at oracle.jbo.server.ViewObjectImpl.getDBTransaction(Compiled Code)
at oracle.jbo.server.ViewObjectImpl.addRowSet(Compiled Code)
at oracle.jbo.server.ViewObjectImpl.createViewRowSet(Compiled Code)
at oracle.jbo.server.ViewObjectImpl.getDefaultRowSet(Compiled Code)
at oracle.jbo.server.ViewObjectImpl.isForwardOnly(Compiled Code)
at oracle.jbo.server.xml.XmlRowSetRenderer.printXmlForRowSet(Compiled Code)
at oracle.jbo.server.xml.XmlRowSetRenderer.print(Compiled Code)
at oracle.jbo.html.databeans.XmlData.print(Compiled Code)
at oracle.jbo.html.databeans.XmlData.render(Compiled Code)
at jspstock.stock__today._jspService(Compiled Code )
at oracle.jsp.runtime.HttpJsp.service(Compiled Code)
at oracle.jsp.app.JspApplication.dispatchRequest(Compiled Code)
at oracle.jsp.JspServlet.doDispatch(Compiled Code)
at oracle.jsp.JspServlet.internalService(Compiled Code)
at oracle.jsp.JspServlet.service(Compiled Code)
at javax.servlet.http.HttpServlet.service(Compiled Code)
at org.apache.jserv.JServConnection.processRequest(Compiled Code)
at org.apache.jserv.JServConnection.run(Compiled Code)
at java.lang.Thread.run(Compiled Code)
oracle.jbo.AttributeLoadException: JBO-27022: Failed to load value at index 4 with java object of type java.lang.String due to java.
sql.SQLException.
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.fillInStackTrace(Compiled Code)
at java.lang.Throwable.<init>(Compiled Code)
at java.lang.Exception.<init>(Compiled Code)
at java.lang.RuntimeException.<init>(Compiled Code)
at oracle.jbo.JboException.<init>(Compiled Code)
at oracle.jbo.AttributeLoadException.<init>(AttributeLoadException.java:40)
at oracle.jbo.server.OracleSQLBuilderImpl.doLoadFromResultSet(Compiled Code)
at oracle.jbo.server.AttributeDefImpl.loadFromResultSet(Compiled Code)
at oracle.jbo.server.ViewRowImpl.populate(Compiled Code)
at oracle.jbo.server.ViewDefImpl.createInstanceFromResultSet(Compiled Code)
at oracle.jbo.server.ViewObjectImpl.createInstanceFromResultSet(Compiled Code)
at oracle.jbo.server.QueryCollection.populateRow(Compiled Code)
at oracle.jbo.server.QueryCollection.fetch(Compiled Code)
at oracle.jbo.server.QueryCollection.get(Compiled Code)
at oracle.jbo.server.ViewRowSetImpl.getRow(Compiled Code)
at oracle.jbo.server.ViewRowSetIteratorImpl.doFetch(Compiled Code)
at oracle.jbo.server.ViewRowSetIteratorImpl.ensureRefreshed(Compiled Code)
at oracle.jbo.server.ViewRowSetIteratorImpl.refresh(Compiled Code)
at oracle.jbo.server.ViewRowSetImpl.notifyRefresh(Compiled Code)
at oracle.jbo.server.ViewRowSetImpl.execute(Compiled Code)
at oracle.jbo.server.ViewRowSetImpl.executeQuery(Compiled Code)
at oracle.jbo.server.xml.XmlRowSetRenderer.printXmlForRowSet(Compiled Code)
at oracle.jbo.server.xml.XmlRowSetRenderer.print(Compiled Code)
at oracle.jbo.html.databeans.XmlData.print(Compiled Code)
at oracle.jbo.html.databeans.XmlData.render(Compiled Code)
at jspstock.stock__today._jspService(Compiled Code)
at oracle.jsp.runtime.HttpJsp.service(Compiled Code)
at oracle.jsp.app.JspApplication.dispatchRequest(Compiled Code)
at oracle.jsp.JspServlet.doDispatch(Compiled Code)
at oracle.jsp.JspServlet.internalService(Compiled Code)
at oracle.jsp.JspServlet.service(Compiled Code)
at javax.servlet.http.HttpServlet.service(Compiled Code)
at org.apache.jserv.JServConnection.processRequest(Compiled Code)
at org.apache.jserv.JServConnection.run(Compiled Code)
at java.lang.Thread.run(Compiled Code)
## Detail 0 ##
java.sql.SQLException: Exhausted Resultset
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.fillInStackTrace(Compiled Code)
at java.lang.Throwable.<init>(Compiled Code)
at java.lang.Exception.<init>(Compiled Code)
at java.sql.SQLException.<init>(SQLException.java:43)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:168)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:210)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:273)
at oracle.jdbc.driver.OracleStatement.prepare_for_new_get(Compiled Code)
at oracle.jdbc.driver.OracleStatement.getObjectValue(Compiled Code)
at oracle.jdbc.driver.OracleStatement.getObjectValue(Compiled Code)
at oracle.jdbc.driver.OracleResultSetImpl.getObject(Compiled Code)
at oracle.jbo.server.OracleSQLBuilderImpl.doLoadFromResultSet(Compiled Code)
at oracle.jbo.server.AttributeDefImpl.loadFromResultSet(Compiled Code)
at oracle.jbo.server.ViewRowImpl.populate(Compiled Code)
at oracle.jbo.server.ViewDefImpl.createInstan ceFromResultSet(Compiled Code)
at oracle.jbo.server.ViewObjectImpl.createInstanceFromResultSet(Compiled Code)
at oracle.jbo.server.QueryCollection.populateRow(Compiled Code)
at oracle.jbo.server.QueryCollection.fetch(Compiled Code)
at oracle.jbo.server.QueryCollection.get(Compiled Code)
at oracle.jbo.server.ViewRowSetImpl.getRow(Compiled Code)
at oracle.jbo.server.ViewRowSetIteratorImpl.doFetch(Compiled Code)
at oracle.jbo.server.ViewRowSetIteratorImpl.ensureRefreshed(Compiled Code)
at oracle.jbo.server.ViewRowSetIteratorImpl.refresh(Compiled Code)
at oracle.jbo.server.ViewRowSetImpl.notifyRefresh(Compiled Code)
at oracle.jbo.server.ViewRowSetImpl.execute(Compiled Code)
at oracle.jbo.server.ViewRowSetImpl.executeQuery(Compiled Code)
at oracle.jbo.server.xml.XmlRowSetRenderer.printXmlForRowSet(Compiled Code)
at oracle.jbo.server.xml.XmlRowSetRenderer.print(Compiled Code)
at oracle.jbo.html.databeans.XmlData.print(Compiled Code)
at oracle.jbo.html.databeans.XmlData.render(Compiled Code)
at jspstock.stock__today._jspService(Compiled Code)
at oracle.jsp.runtime.HttpJsp.service(Compiled Code)
at oracle.jsp.app.JspApplication.dispatchRequest(Compiled Code)
at oracle.jsp.JspServlet.doDispatch(Compiled Code)
at oracle.jsp.JspServlet.internalService(Compiled Code)
at oracle.jsp.JspServlet.service(Compiled Code)
at javax.servlet.http.HttpServlet.service(Compiled Code)
at org.apache.jserv.JServConnection.processRequest(Compiled Code)
at org.apache.jserv.JServConnection.run(Compiled Code)
at java.lang.Thread.run(Compiled Code)
oracle.jbo.common.ampool.ApplicationPoolException: JBO-30004: An application module that was not checked out was checked into the po
ol, com_globe_invester_stock_InvesterStockAppModule
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.fillInStackTrace(Compiled Code)
at java.lang.Throwable.<init>(Compiled Code)
at java.lang.Exception.<init>(Compiled Code)
at java.lang.RuntimeException.<init>(Compiled Code)
at oracle.jbo.JboException.<init>(Compiled Code)
at oracle.jbo.common.ampool.ApplicationPoolException.<init>(Compiled Code)
at oracle.jbo.common.ampool.ApplicationPoolImpl.checkin(Compiled Code)
at jspstock.stock__today._jspService(Compiled Code)
at oracle.jsp.runtime.HttpJsp.service(Compiled Code)
at oracle.jsp.app.JspApplication.dispatchRequest(Compiled Code)
at oracle.jsp.JspServlet.doDispatch(Compiled Code)
at oracle.jsp.JspServlet.internalService(Compiled Code)
at oracle.jsp.JspServlet.service(Compiled Code)
at javax.servlet.http.HttpServlet.service(Compiled Code)
at org.apache.jserv.JServConnection.processRequest(Compiled Code)
at org.apache.jserv.JServConnection.run(Compiled Code)
at java.lang.Thread.run(Compiled Code)
BC4J HTTP Container was timed out
The binding listener for InvesterStockAppModule was timed out

See if the following messages help:
http://technet.oracle.com:89/ubb/Forum2/HTML/006553.html
http://technet.oracle.com:89/ubb/Forum2/HTML/006831.html
http://technet.oracle.com:89/ubb/Forum2/HTML/006864.html

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<head>
<meta http-equiv="Content-Type"
content="text/html; charset=windows-1252"/>
<title>tt</title>
</head>
<body><h:form></h:form></body>
</html>
</f:view>
</jsp:root>
You help is very appreciated!!

Hi,
actually this mapping only identifies those requests to be handled by teh JSF servlet. Its not a redirect.
I see several namespace definitions in your page, but no taglib reference. Wondering how this is supposed to work
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<%@ taglib uri="http://xmlns.oracle.com/adf/faces/html" prefix="afh"%>
<%@ taglib uri="http://xmlns.oracle.com/adf/faces" prefix="af"%>
I assume the next crash you will see is when you add JSF components to
<f:view>
<html>
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=windows-1252"/>
<title>tt</title>
</head>
<body><h:form></h:form></body>
</html>
</f:view>
Note that mixing HTML elements with JSF is not a recommended approach
Frank

Package javax.servlet.jsp does not exist.

dear all!
I've one program which import javax.servlet.jsp.* as one of the package to be used in
the program, and I am using j2sdk 1.4.0_01 to compiled it.
However I got this error message : package javax.servlet.jsp does not exist.
Where does it wrong?.
error message like :
logisticslib.java:6: package javax.servlet.jsp does not exist
import javax.servlet.jsp.*;
^
logisticslib.java:201: cannot resolve symbol
symbol : class JspWriter
location: class elogistic.db.logisticslib
public void getServiceInfo(JspWriter out, String SQL) {

You need a J2EE implementation, I recomemend Tomcat, you also need to put the .jar w/ the implementation in in your classpath.

BC4J&Servlets&Jsps:(Dev Team)Pro. impl. the combination With full Utiliz. of pooling

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