ERROR zkLoader Servlet.service() for servlet threw exception

asked 2010-01-21 23:51:59 +0800

waliahimanshu
36 ● 2

updated 2010-01-22 00:23:27 +0800

2010-01-22 11:05:52 IST
Hi All

I am facing some critical issues in my adempiere implementation .
I am facing certain errors , while at most ten users hitting our server simultaneously
which always result in J-Boss server hang forcing us to restart the server daily two three times

error 1 := ERROR zkLoader Servlet.service() for servlet threw exception
org.zkoss.xel.XelException: An error occurred while evaluating function "z:redraw"
at org.zkforge.apache.commons.el.Logger.logError(Logger.java:484)
at org.zkforge.apache.commons.el.Logger.logError(Logger.java:545)
at org.zkforge.apache.commons.el.FunctionInvocation.evaluate(FunctionInvocation.java:175)
at org.zkforge.apache.commons.el.ExpressionEvaluatorImpl$JSTLExpression.evaluate(ExpressionEvaluatorImpl.java:514)
at org.zkoss.xel.el.ELXelExpression.evaluate(ELXelExpression.java:45)
at org.zkoss.web.servlet.dsp.impl.XelNode.interpret(XelNode.java:49)
at org.zkoss.web.servlet.dsp.impl.ActionNode.renderFragment(ActionNode.java:97)
at org.zkoss.web.servlet.dsp.impl.ActionContextImpl.renderFragment(ActionContextImpl.java:87)
at org.zkoss.web.servlet.dsp.action.AbstractAction.renderFragment(AbstractAction.java:185)
at org.zkoss.web.servlet.dsp.action.ForEach.renderWith(ForEach.java:211) at org.zkoss.web.servlet.dsp.action.ForEach.render(ForEach.java:15

error 2 :--
Desktop Overlap
8:52:35,046 ERROR [] Servlet.service() for servlet zkLoader threw exception
org.zkoss.zk.ui.UiException: The new page must be in the same desktop: [Page z_8f_0]
at org.zkoss.zk.ui.AbstractComponent.setPageBefore(AbstractComponent.java:478)
at org.zkoss.zk.ui.AbstractComponent.setPage(AbstractComponent.java:463) at org.adempiere.webui.desktop.DefaultDesktop.setPage(DefaultDesktop.java:368)
at org.adempiere.webui.AdempiereWebUI.loginCompleted(AdempiereWebUI.java:322)
at org.adempiere.webui.AdempiereWebUI.onCreate(AdempiereWebUI.java:119)
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:597)
at org.zkoss.zk.ui.impl.EventProcessor.process0(EventProcessor.java:211) at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:143)

error3 "--
Java heap space :- Out of memory