10.1.2.3 : OC4J is hanging up and "SlowRequest BG processor" is missing
SR:3-3486590521
Hi all,
IHAC who is experiencing "Viewer is Busy" error when accessing Discoverer.
After running large workbooks the OC4J_BI_Forms seems freezing and no user can't connect to discoverer with blank screen.
When customer kill the OC4J_BI_Forms_default_island_1 process, restart it and the problem can be resolved.
application.log shows following:
11/06/10 22:23:34 discoverer: [ERROR] [AJPRequestHandler-ApplicationServerThread-5] oracle.discoverer.applications.framework.ApplicationController._logException error.viewer.data.missing
oracle.discoverer.applications.framework.ApplicationException: error.viewer.data.missing
at oracle.discoverer.applications.viewer.view.dataprovider.QueryProgressProxy.retrieveProgressData(Unknown Source)
at sun.reflect.GeneratedMethodAccessor257.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at oracle.cabo.servlet.event.MethodEventHandler.handleEvent(Unknown Source)
at oracle.cabo.servlet.event.TableEventHandler.handleEvent(Unknown Source)
at oracle.cabo.servlet.event.TableEventHandler.handleEvent(Unknown Source)
at oracle.cabo.servlet.event.BasePageFlowEngine.handleRequest(Unknown Source)
at oracle.cabo.servlet.AbstractPageBroker.handleRequest(Unknown Source)
at oracle.cabo.servlet.ui.BaseUIPageBroker.handleRequest(Unknown Source)
at oracle.cabo.servlet.PageBrokerHandler.handleRequest(Unknown Source)
at oracle.cabo.servlet.UIXServlet.doGet(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.3.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:835)
at com.evermind[Oracle Application Server Containers for J2EE 10g
at oracle.discoverer.applications.viewer.url.URLServlet._process(Unknown Source)
at oracle.discoverer.applications.viewer.url.URLServlet.doGet(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.3.0)].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
at oracle.discoverer.applications.framework.ApplicationEncodingFilter.doFilter(Unknown Source)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.3.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:674)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.3.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:341)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.3.0)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:816)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.3.0)].server.http.AJPRequestHandler.run(AJPRequestHandler.java:231)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.3.0)].server.http.AJPRequestHandler.run(AJPRequestHandler.java:136)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.3.0)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
at java.lang.Thread.run(Thread.java:534)
Caused by: oracle.discoverer.applications.viewer.model.ModelException: error.worksheet.not.open
at oracle.discoverer.applications.viewer.model.ViewerModelImpl.getOpenWorksheet(Unknown Source)
at oracle.discoverer.applications.viewer.view.dataprovider.QueryProgressProxy.storeModelObjects(Unknown Source)
... 40 more
Analyzed customer's thread dump and found that there is no "SlowRequest BG processor" thread.
What does it mean..?
How can we avoid this problem?
Any help would be greatly appreciated.
Thanks,
Miki
Did you ever get a resolution to this issue. We are experiencing the same scenario.
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