[Echo-list] echo grid bug

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

Hi!

This bug is still alive in 1.1.2

My solution was to return an empty iterator instead of the crash, but
it's just a quick hack.\

Hope it helps,

- 101

StandardContext[/nvsr]NVSRUI: EchoServer Error Log Reference
#1001_1093960199088
java.lang.NullPointerException
 at nextapp.echo.Grid.iterator(Grid.java:1248)
 at
nextapp.echoservlet.ui.GridRenderingModel.<init>(GridRenderingModel.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
echopoint.ui.layout.GridLayoutManagerUI._renderPeer(GridLayoutManagerUI.
java:198)
 at
echopoint.ui.layout.GridLayoutManagerUI.render(GridLayoutManagerUI.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
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:237)
 at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:157)
 at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
e.java:214)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java:104)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
20)
 at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardCon
textValve.java:198)
 at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
e.java:152)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java:104)
 at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAs
sociationValve.java:72)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java:102)
 at
org.jboss.web.tomcat.security.JBossSecurityMgrRealm.invoke(JBossSecurity
MgrRealm.java:275)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java:102)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
20)
 at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:137)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java:104)
 at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:117)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java:102)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
20)
 at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
java:109)
 at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCo
ntext.java:104)
 at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:5
20)
 at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
 at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
 at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:79
9)
 at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processC
onnection(Http11Protocol.java:705)
 at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:57
7)
 at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool
.java:683)
 at java.lang.Thread.run(Thread.java:534)