RE: [Echo-list] echo grid bug

[Lendvai A. <Att...@ne...>]

This happened because I modified the Grid _after_ calling
super.validate().

But this one is still giving me headaches:

calling removeAll() from within Grid.validate() ends up in a
unregistered peer exception

http://sourceforge.net/tracker/index.php?func=3Ddetail&aid=3D1041399&grou=
p_i
d=3D43261&atid=3D435691

bye,

- 101


:: Hi!
::=20
:: This bug is still alive in 1.1.2
::=20
:: My solution was to return an empty iterator instead of the=20
:: crash, but it's just a quick hack.\
::=20
:: Hope it helps,
::=20
:: - 101
::=20
:: StandardContext[/nvsr]NVSRUI: EchoServer Error Log Reference=20
:: #1001_1093960199088 java.lang.NullPointerException  at=20
:: nextapp.echo.Grid.iterator(Grid.java:1248)
::  at=20
:: nextapp.echoservlet.ui.GridRenderingModel.<init>(GridRenderin
:: gModel.java
:: :225)
::  at nextapp.echoservlet.ui.GridUI.render(GridUI.java:65)
::  at echopoint.ui.PanelUI.render(PanelUI.java:96)
::  at echopoint.ui.GroupBoxUI.renderComplex(GroupBoxUI.java:120)
::  at echopoint.ui.GroupBoxUI.render(GroupBoxUI.java:68)
::  at nextapp.echoservlet.ui.PanelUI.render(PanelUI.java:110)
::  at echopoint.ui.PanelUI.render(PanelUI.java:96)
::  at echopoint.ui.PanelUI.render(PanelUI.java:96)
::  at=20
:: echopoint.ui.layout.GridLayoutManagerUI._renderPeer(GridLayou
:: tManagerUI.
:: java:198)
::  at
:: echopoint.ui.layout.GridLayoutManagerUI.render(GridLayoutMana
:: gerUI.java:
:: 360)
::  at echopoint.ui.PanelUI.render(PanelUI.java:93)
::  at nextapp.echoservlet.ContentPaneUI.service(ContentPaneUI.java:265)
::  at nextapp.echoservlet.Connection.process(Connection.java:449)
::  at nextapp.echoservlet.EchoServer.process(EchoServer.java:304)
::  at nextapp.echoservlet.EchoServer.doGet(EchoServer.java:214)
::  at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
::  at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
::  at=20
:: org.apache.catalina.core.ApplicationFilterChain.internalDoFil
:: ter(Applica
:: tionFilterChain.java:237)
::  at=20
:: org.apache.catalina.core.ApplicationFilterChain.doFilter(Appl
:: icationFilt
:: erChain.java:157)
::  at=20
:: org.apache.catalina.core.StandardWrapperValve.invoke(Standard
:: WrapperValv
:: e.java:214)
::  at=20
:: org.apache.catalina.core.StandardValveContext.invokeNext(Stan
:: dardValveCo
:: ntext.java:104)
::  at=20
:: org.apache.catalina.core.StandardPipeline.invoke(StandardPipe
:: line.java:5
:: 20)
::  at=20
:: org.apache.catalina.core.StandardContextValve.invokeInternal(
:: StandardCon
:: textValve.java:198)
::  at=20
:: org.apache.catalina.core.StandardContextValve.invoke(Standard
:: ContextValv
:: e.java:152)
::  at=20
:: org.apache.catalina.core.StandardValveContext.invokeNext(Stan
:: dardValveCo
:: ntext.java:104)
::  at=20
:: org.jboss.web.tomcat.security.SecurityAssociationValve.invoke
:: (SecurityAs
:: sociationValve.java:72)
::  at=20
:: org.apache.catalina.core.StandardValveContext.invokeNext(Stan
:: dardValveCo
:: ntext.java:102)
::  at=20
:: org.jboss.web.tomcat.security.JBossSecurityMgrRealm.invoke(JB
:: ossSecurity
:: MgrRealm.java:275)
::  at=20
:: org.apache.catalina.core.StandardValveContext.invokeNext(Stan
:: dardValveCo
:: ntext.java:102)
::  at=20
:: org.apache.catalina.core.StandardPipeline.invoke(StandardPipe
:: line.java:5
:: 20)
::  at=20
:: org.apache.catalina.core.StandardHostValve.invoke(StandardHos
:: tValve.java
:: :137)
::  at=20
:: org.apache.catalina.core.StandardValveContext.invokeNext(Stan
:: dardValveCo
:: ntext.java:104)
::  at=20
:: org.apache.catalina.valves.ErrorReportValve.invoke(ErrorRepor
:: tValve.java
:: :117)
::  at=20
:: org.apache.catalina.core.StandardValveContext.invokeNext(Stan
:: dardValveCo
:: ntext.java:102)
::  at=20
:: org.apache.catalina.core.StandardPipeline.invoke(StandardPipe
:: line.java:5
:: 20)
::  at=20
:: org.apache.catalina.core.StandardEngineValve.invoke(StandardE
:: ngineValve.
:: java:109)
::  at=20
:: org.apache.catalina.core.StandardValveContext.invokeNext(Stan
:: dardValveCo
:: ntext.java:104)
::  at=20
:: org.apache.catalina.core.StandardPipeline.invoke(StandardPipe
:: line.java:5
:: 20)
::  at
:: org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
::  at
:: org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter
:: .java:160)
::  at=20
:: org.apache.coyote.http11.Http11Processor.process(Http11Proces
:: sor.java:79
:: 9)
::  at=20
:: org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandl
:: er.processC
:: onnection(Http11Protocol.java:705)
::  at=20
:: org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpo
:: int.java:57
:: 7)
::  at=20
:: org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
:: (ThreadPool
:: .java:683)
::  at java.lang.Thread.run(Thread.java:534)
::=20
::=20
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