Getting OOM error while retreive 2lakhs record from DB

I have a java program with a simple Select query that fetches around 2lakhs record from DB and will display in a JSP Page.
When I try to fetch huge amount of data the server causing OOM.
I got few suggestions to add setFetchSize(1000) to my Statement.
I am confused here, whether i need to setFetchSize() to Statement or to Resulset.
Pls suggest me a asolution to retrieve all the records and to avoid OOM error.

66bdf8de-2e37-445a-8436-0ad04a325040 wrote:
Please find my answers below
What is a lakh?
      A lakh or lac is a one hundred thousand
someone looking at a JSP page really want to crawl through a result set that large
     Yes, All the records will be displayed in a JSP Page and User will be navigating through all the records.
Seriously? Some human being is going to navigate through a page containing 200,000 records? Seriously?
I tested with both the scenario(setFetchSize() to Statement or to Resulset), it didnt work for me, still getting same OOM .
Then it would appear that the answer to your question "whether i need to setFetchSize() to Statement or to Resulset" is .... "neither".

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CALCNUMBER     2          N     NUMBER (10)          None
CURRENCYID     3          N     NVARCHAR2 (32)          Frequency
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BALLASTBONUSCOMMPCT     8          Y     NUMBER (6,3)          None
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ADDITIONALSTEAMVALUE     10          Y     NUMBER (8,4)          None
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ADDITIONALPORTVALUE     12          Y     NUMBER (8,4)          None
ISADDITIONALPORTPCT     13          Y     NUMBER (1)          None
CREATEDBY     14          N     NVARCHAR2 (32)          Frequency
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UPDATEDDATE     17          Y     DATE          None
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     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:988)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:497)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:418)
     at OA.jspService(OA.jsp:40)
     at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
     at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:317)
     at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:465)
     at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:379)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:727)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
     at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:209)
     at com.evermind.server.http.GetParametersRequestDispatcher.forward(GetParametersRequestDispatcher.java:189)
     at com.evermind.server.http.EvermindPageContext.forward(EvermindPageContext.java:199)
     at OA.jspService(OA.jsp:45)
     at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
     at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:317)
     at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:465)
     at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:379)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:727)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
     at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:767)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:259)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:106)
     at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:803)
     at java.lang.Thread.run(Thread.java:534)
Exception:
oracle.adf.mds.MetadataDefException: Unable to find component with absolute reference = /mhe/oracle/apps/ak/susanta/webui/EmployeeUpdatePG, XML Path = C:\Soumya\JDeveloper9\jdevhome\jdev\myclasses\JRADXML;C:\Soumya\JDeveloper9\jdevhome\jdev\myprojects;C:\Soumya\JDeveloper9\jdevbin\jdev\oamdsxml\fwk. Please verify that the reference is valid and the definition of the component exists either on the File System or in the MDS Repository.
     at oracle.adf.mds.internal.MetadataManagerBase.findElement(MetadataManagerBase.java:1343)
     at oracle.adf.mds.MElement.findElement(MElement.java:97)
     at oracle.apps.fnd.framework.webui.JRAD2AKMapper.getRootMElement(JRAD2AKMapper.java:493)
     at oracle.apps.fnd.framework.webui.OAWebBeanFactoryImpl.getWebBeanTypeDataFromJRAD(OAWebBeanFactoryImpl.java:3782)
     at oracle.apps.fnd.framework.webui.OAWebBeanFactoryImpl.getRootApplicationModuleClass(OAWebBeanFactoryImpl.java:3459)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:988)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:497)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:418)
     at OA.jspService(OA.jsp:40)
     at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
     at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:317)
     at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:465)
     at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:379)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:727)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
     at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:209)
     at com.evermind.server.http.GetParametersRequestDispatcher.forward(GetParametersRequestDispatcher.java:189)
     at com.evermind.server.http.EvermindPageContext.forward(EvermindPageContext.java:199)
     at OA.jspService(OA.jsp:45)
     at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
     at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:317)
     at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:465)
     at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:379)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:727)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:306)
     at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:767)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:259)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:106)
     at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:803)
     at java.lang.Thread.run(Thread.java:534)

refer http://prasanna-adf.blogspot.com/2008/02/deploying-oafwk.html
to know about how to import the PG into the instance..
--Prasanna

Getting OOM error while retreive 2lakhs record from DB

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