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JAVA Iview performance issue
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on 10-30-2006 1:29 AM
Hi,
we are experiencing some issue with one iview, we have a very high load of user accessing this iview lately and there is lots of dumps in my logs. When the iview is access by one 10-20 users, there no issue. When we have lots of user trying to acces this iview, we get lots of dumps. It is an appraisal iview, when there is an high load of user accessing this iview our CPU on the cluster are running 90-100%.
If you have any suggestions, please let me know.
Thanks
Jean Seguin
Component class : editAppraisal.Controller
User : JXM240
at com.sapportals.portal.prt.core.PortalRequestManager.handlePortalComponentException(PortalRequestManager.java:853)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:311)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:191)
at com.sapportals.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:217)
at com.sapportals.portal.prt.pom.PortalNode.service(PortalNode.java:601)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:301)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:191)
at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:670)
at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:229)
at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:555)
at java.security.AccessController.doPrivileged(Native Method)
at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:415)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.InvokerServlet.service(InvokerServlet.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.RunServlet.runSerlvet(RunServlet.java:149)
at com.inqmy.services.servlets_jsp.server.ServletsAndJspImpl.startServlet(ServletsAndJspImpl.java:833)
at com.inqmy.services.httpserver.server.RequestAnalizer.checkFilename(RequestAnalizer.java:672)
at com.inqmy.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:314)
at com.inqmy.services.httpserver.server.Response.handle(Response.java:173)
at com.inqmy.services.httpserver.server.HttpServerFrame.request(HttpServerFrame.java:1288)
at com.inqmy.core.service.context.container.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:36)
at com.inqmy.core.cluster.impl5.ParserRunner.run(ParserRunner.java:55)
at com.inqmy.core.thread.impl0.ActionObject.run(ActionObject.java:46)
at java.security.AccessController.doPrivileged(Native Method)
at com.inqmy.core.thread.impl0.SingleThread.run(SingleThread.java:148)
Caused by: java.lang.IllegalStateException
at com.sapportals.portal.prt.component.PortalComponentRequest.getNode(PortalComponentRequest.java:373)
at com.sapportals.portal.prt.component.PortalComponentRequest.getResource(PortalComponentRequest.java:565)
at com.sapportals.portal.htmlb.page.JSPDynPage.doOutput(JSPDynPage.java:75)
at com.sapportals.htmlb.page.PageProcessor.handleRequest(PageProcessor.java:109)
at com.sapportals.portal.htmlb.page.PageProcessorComponent.doContent(PageProcessorComponent.java:135)
at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:209)
at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:114)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:301)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:191)
at com.sapportals.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:217)
at com.sapportals.portal.prt.pom.PortalNode.service(PortalNode.java:601)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:301)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:191)
at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:670)
at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:229)
at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:555)
at java.security.AccessController.doPrivileged(Native Method)
at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:415)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.InvokerServlet.service(InvokerServlet.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.RunServlet.runSerlvet(RunServlet.java:149)
at com.inqmy.services.servlets_jsp.server.ServletsAndJspImpl.startServlet(ServletsAndJspImpl.java:833)
at com.inqmy.services.httpserver.server.RequestAnalizer.checkFilename(RequestAnalizer.java:672)
at com.inqmy.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:314)
at com.inqmy.services.httpserver.server.Response.handle(Response.java:173)
at com.inqmy.services.httpserver.server.HttpServerFrame.request(HttpServerFrame.java:1288)
at com.inqmy.core.service.context.container.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:36)
at com.inqmy.core.cluster.impl5.ParserRunner.run(ParserRunner.java:55)
at com.inqmy.core.thread.impl0.ActionObject.run(ActionObject.java:46)
at java.security.AccessController.doPrivileged(Native Method)
at com.inqmy.core.thread.impl0.SingleThread.run(SingleThread.java:148)
com.sapportals.portal.prt.connection.ContentExceptionHandler@323ec3 #
Error in getValue
java.lang.NullPointerException
at com.sapportals.portal.prt.component.PortalComponentSession.getHttpSession(PortalComponentSession.java:144)
at com.sapportals.portal.prt.component.PortalComponentSession.getSession(PortalComponentSession.java:46)
at com.sapportals.portal.prt.component.PortalComponentSession.getValue(PortalComponentSession.java:202)
at com.sapportals.portal.prt.component.PortalComponentSession.getValue(PortalComponentSession.java:188)
at editAppraisal.ProcessFormDynPage.loadBeansFromSession(ProcessFormDynPage.java:708)
at cra.portal.common.AbstractProcessFormDynPage.doProcessInit(AbstractProcessFormDynPage.java:116)
at editAppraisal.ProcessFormDynPage.doInitialization(ProcessFormDynPage.java:60)
at com.sapportals.htmlb.page.PageProcessor.handleRequest(PageProcessor.java:94)
at com.sapportals.portal.htmlb.page.PageProcessorComponent.doContent(PageProcessorComponent.java:135)
at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:209)
at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:114)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:301)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:191)
at com.sapportals.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:217)
at com.sapportals.portal.prt.pom.PortalNode.service(PortalNode.java:601)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:301)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:191)
at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:670)
at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:229)
at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:555)
at java.security.AccessController.doPrivileged(Native Method)
at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:415)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.InvokerServlet.service(InvokerServlet.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.RunServlet.runSerlvet(RunServlet.java:149)
at com.inqmy.services.servlets_jsp.server.ServletsAndJspImpl.startServlet(ServletsAndJspImpl.java:833)
at com.inqmy.services.httpserver.server.RequestAnalizer.checkFilename(RequestAnalizer.java:672)
at com.inqmy.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:314)
at com.inqmy.services.httpserver.server.Response.handle(Response.java:173)
at com.inqmy.services.httpserver.server.HttpServerFrame.request(HttpServerFrame.java:1288)
at com.inqmy.core.service.context.container.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:36)
at com.inqmy.core.cluster.impl5.ParserRunner.run(ParserRunner.java:55)
at com.inqmy.core.thread.impl0.ActionObject.run(ActionObject.java:46)
at java.security.AccessController.doPrivileged(Native Method)
at com.inqmy.core.thread.impl0.SingleThread.run(SingleThread.java:148)
Error in putValue
java.lang.NullPointerException
at com.sapportals.portal.prt.component.PortalComponentSession.getHttpSession(PortalComponentSession.java:144)
at com.sapportals.portal.prt.component.PortalComponentSession.getSession(PortalComponentSession.java:46)
at com.sapportals.portal.prt.component.PortalComponentSession.putValue(PortalComponentSession.java:170)
at com.sapportals.portal.prt.component.PortalComponentSession.putValue(PortalComponentSession.java:156)
at editAppraisal.ProcessFormDynPage.storeBeansWithinSession(ProcessFormDynPage.java:714)
at cra.portal.common.AbstractProcessFormDynPage.doProcessFinalize(AbstractProcessFormDynPage.java:143)
at editAppraisal.ProcessFormDynPage.doInitialization(ProcessFormDynPage.java:81)
at com.sapportals.htmlb.page.PageProcessor.handleRequest(PageProcessor.java:94)
at com.sapportals.portal.htmlb.page.PageProcessorComponent.doContent(PageProcessorComponent.java:135)
at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:209)
at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:114)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:301)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:191)
at com.sapportals.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:217)
at com.sapportals.portal.prt.pom.PortalNode.service(PortalNode.java:601)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:301)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:191)
at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:670)
at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:229)
at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:555)
at java.security.AccessController.doPrivileged(Native Method)
at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:415)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.InvokerServlet.service(InvokerServlet.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.RunServlet.runSerlvet(RunServlet.java:149)
at com.inqmy.services.servlets_jsp.server.ServletsAndJspImpl.startServlet(ServletsAndJspImpl.java:833)
at com.inqmy.services.httpserver.server.RequestAnalizer.checkFilename(RequestAnalizer.java:672)
at com.inqmy.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:314)
at com.inqmy.services.httpserver.server.Response.handle(Response.java:173)
at com.inqmy.services.httpserver.server.HttpServerFrame.request(HttpServerFrame.java:1288)
at com.inqmy.core.service.context.container.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:36)
at com.inqmy.core.cluster.impl5.ParserRunner.run(ParserRunner.java:55)
at com.inqmy.core.thread.impl0.ActionObject.run(ActionObject.java:46)
at java.security.AccessController.doPrivileged(Native Method)
at com.inqmy.core.thread.impl0.SingleThread.run(SingleThread.java:148)
Error in putValue
java.lang.NullPointerException
at com.sapportals.portal.prt.component.PortalComponentSession.getHttpSession(PortalComponentSession.java:144)
at com.sapportals.portal.prt.component.PortalComponentSession.getSession(PortalComponentSession.java:46)
at com.sapportals.portal.prt.component.PortalComponentSession.putValue(PortalComponentSession.java:170)
at com.sapportals.portal.prt.component.PortalComponentSession.putValue(PortalComponentSession.java:156)
at editAppraisal.ProcessFormDynPage.storeBeansWithinSession(ProcessFormDynPage.java:714)
at cra.portal.common.AbstractProcessFormDynPage.doProcessFinalize(AbstractProcessFormDynPage.java:143)
at editAppraisal.ProcessFormDynPage.doProcessBeforeOutput(ProcessFormDynPage.java:246)
at com.sapportals.htmlb.page.PageProcessor.handleRequest(PageProcessor.java:106)
at com.sapportals.portal.htmlb.page.PageProcessorComponent.doContent(PageProcessorComponent.java:135)
at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:209)
at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:114)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:301)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:191)
at com.sapportals.portal.prt.component.PortalComponentResponse.include(PortalComponentResponse.java:217)
at com.sapportals.portal.prt.pom.PortalNode.service(PortalNode.java:601)
at com.sapportals.portal.prt.core.PortalRequestManager.callPortalComponent(PortalRequestManager.java:301)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:138)
at com.sapportals.portal.prt.core.PortalRequestManager.dispatchRequest(PortalRequestManager.java:191)
at com.sapportals.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:670)
at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:229)
at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:555)
at java.security.AccessController.doPrivileged(Native Method)
at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:415)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.InvokerServlet.service(InvokerServlet.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.inqmy.services.servlets_jsp.server.RunServlet.runSerlvet(RunServlet.java:149)
at com.inqmy.services.servlets_jsp.server.ServletsAndJspImpl.startServlet(ServletsAndJspImpl.java:833)
at com.inqmy.services.httpserver.server.RequestAnalizer.checkFilename(RequestAnalizer.java:672)
at com.inqmy.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:314)
at com.inqmy.services.httpserver.server.Response.handle(Response.java:173)
at com.inqmy.services.httpserver.server.HttpServerFrame.request(HttpServerFrame.java:1288)
at com.inqmy.core.service.context.container.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:36)
at com.inqmy.core.cluster.impl5.ParserRunner.run(ParserRunner.java:55)
at com.inqmy.core.thread.impl0.ActionObject.run(ActionObject.java:46)
at java.security.AccessController.doPrivileged(Native Method)
at com.inqmy.core.thread.impl0.SingleThread.run(SingleThread.java:148)
- SAP Managed Tags:
- PORTAL Administration and Development
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Answers (2)
Answers (2)
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the main correction me made (in nearly all MSS iViews) to avoid the
problem you descibed is the following:
In the portal component class of the iView we created an instance
of the application dynpage and stored it as a class member of the
component. This is not allowed an could result in the problem you
described.
Example for EditAppraisalComponent:
Old code:
public class EditAppraisalComponent extends PageProcessorComponent
implements INonCachablePortalComponent{
private EditAppraisalDynPage myPage = null;
public DynPage getPage() {
myPage = new EditAppraisalDynPage();
return myPage;
}
...call some methods on myPage (e.g. to store session data)
New code:
public class EditAppraisalComponent extends PageProcessorComponent
implements INonCachablePortalComponent{
public DynPage getPage() {
return new EditAppraisalDynPage();
}
In case that the refrence to the dynpage was used to call some method in this dynpage, the iView logic has been changed so that this
functionality is handled inside the dynpage (and no longer called from
outside).
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Hi,
...could not put value to session when a lot of users - seems like a memory issue to me...
Consider checking/setting the memory heap size at the J2EE.
About memory monitoring this thread should help:
<a href="https://www.sdn.sap.com/irj/sdn/thread?forumID=53&threadID=104188&messageID=1156397">https://www.sdn.sap.com/irj/sdn/thread?forumID=53&threadID=104188&messageID=1156397</a>
hope this helps,
Romano
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| User | Count |
|---|---|
| 90 | |
| 10 | |
| 10 | |
| 10 | |
| 7 | |
| 7 | |
| 6 | |
| 5 | |
| 4 | |
| 3 |
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