[Building Sakai] Issues once i upload big files to lessons tools

[Abd alqader Omar]

Dear,
When i'm tryting to uplaod big file into lesson tools give me
error , for your information im increasing the limit upload to 900 MB,
and my file 450 MB then no problem for size why give me this error
below:
org.sakaiproject.portal.api.PortalHandlerException:
org.sakaiproject.tool.api.ToolException:
#{addSectionPage.setServerFile}: javax.faces.el.EvaluationException:
java.lang.OutOfMemoryError: Java heap space
    at org.sakaiproject.portal.charon.handlers.ToolHandler.doPost(ToolHandler.java:63)
caused
by: org.sakaiproject.tool.api.ToolException:
#{addSectionPage.setServerFile}: javax.faces.el.EvaluationException:
java.lang.OutOfMemoryError: Java heap space
    at org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1346)
caused
by: javax.servlet.ServletException: #{addSectionPage.setServerFile}:
javax.faces.el.EvaluationException: java.lang.OutOfMemoryError: Java
heap space
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
caused by: javax.faces.FacesException: #{addSectionPage.setServerFile}:
 javax.faces.el.EvaluationException: java.lang.OutOfMemoryError: Java heap space
    at javax.faces.component.UICommand.broadcast(UICommand.java:312)
caused by: javax.faces.el.EvaluationException: java.lang.OutOfMemoryError: Java heap space
    at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72)
caused by: java.lang.OutOfMemoryError: Java heap space
    at org.sakaiproject.tool.melete.SectionPage.uploadSectionContent(SectionPage.java:943)
    at org.sakaiproject.tool.melete.SectionPage.addResourceToMeleteCollection(SectionPage.java:668)
    at org.sakaiproject.tool.melete.AddSectionPage.setServerFile(AddSectionPage.java:316)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
 sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:592)
    at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:126)
    at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72)
    at javax.faces.component.UICommand.broadcast(UICommand.java:312)
    at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267)
    at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:381)
    at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:75)
    at
 com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
    at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
    at org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:555)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
    at
 org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:403)
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
    at org.sakaiproject.jsf.util.HelperAwareJsfTool.dispatch(HelperAwareJsfTool.java:170)
    at org.sakaiproject.jsf.util.JsfTool.doPost(JsfTool.java:256)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
    at
 org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691)
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