MuseJSAssert: ... TypeError: Cannot call method 'getElementsByTagName' of null

This is the error that I get when I open our site.
MuseJSAssert: Error calling selector function:TypeError: Cannot call method 'getElementsByTagName' of null
Can someone take a look at this?
I tried uploading from scratch on to a new bc test site:
expertly.businesscatalyst.com
Dont worry about the Edge videos that works fine.
When you click on Online or Offline (on the left hand side) this error shows up.
And then the accordian wigs out.
Any help would be appreciated. Thanks.

There seems to be a Javascript error with the "ss-form" HTML that has been inserted. Specifically, this part:
var divs = document.getElementById('ss-form').
getElementsByTagName('div');
I believe (though I'm not sure), that changing it to
var divs = document.getElementById('ss-form').getElementsByTagName('div');
All on one line will solve the problem. Unfortunately this is beyond the scope of Muse, as it is code that has been inserted. You made need to check with the source you found the inserted code from.
Thanks,
Colby

Similar Messages

Parsing failed: TypeError: Cannot call method "replace"

Hi,
when i troubleshooting my collector, sentinel GUI message prompt
following:
Parsing failed: TypeError: Cannot call method "replace" of undefined;
input:
my release.js is following:
Collector.prototype.initialize = function() {
this.PARSER.getOffsetData = function(input) {
if (typeof input.RXMap != "undefined") {
return input.RXMap.REQUEST_TM;
conn.addParser(this.PARSER.getOffsetData);
return true;
Collector.prototype.cleanup = function() {
return true;
Connector.prototype.sendQuery = function() {
return true;
Record.prototype.preParse = function(e) {
if (this.CONNECTION_ERROR != null || typeof this.RXMap == "undefined")
{ return false; }
if (this.CONNECTION_METHOD == "DATABASE") {
for (var field in this.RXMap) {
this[field] = this.RXMap[field];
return true;
Record.prototype.parse = function(e) {
var detstring =
this.RXMap.REQUEST_TM.replace(/(\d+)\/(\d+)\/(\d{4})\s(\S+)/g, '$1/$2/$3
$4 GMT');
var dt = new Date(detstring);
e.ObserverEventTime(dt);
return true;
Record.prototype.normalize = function(e) {
instance.SEND_EVENT =true;
return true;
Record.prototype.postParse = function(e) {
return true;
Record.prototype.reply = function(e) {
return true;
my sqlquery.base is following:
SELECT TOP 100 * FROM TS_QUERYBILLSIGNED_LOG WHERE REQUEST_TM > %s
My table sample is following:
CUSTCODE,BEGIN_TM,END_TM,PAGEINDEX,QUERYTYPE,SYSTE MNAME,SIGNEDTYPE,CLIENTIP,CLIENTMAC,CLIENTNAME,MET HODNAME,REQUEST_TM,ANSWER_TM,ANSWER_TOTAL,ANSWER_C URRENTCOUNT,LOG_ID,WAYBILL_NOS
8710294837,12/30/2013,1/2/2014
23:59,0,0,CSS-CLIENT,0,221.213.26.241,6C-F0-49-CD-2C-CD,a0af75ce888346e,waybillSingedTotal,1/3/2014
14:50,1/3/2014 14:50,28,4,433676211,
My table Schema is following:
USE [sfere]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[ts_querybillsigned_log](
[CUSTCODE] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[BEGIN_TM] [datetime] NULL,
[END_TM] [datetime] NULL,
[PAGEINDEX] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[QUERYTYPE] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[SYSTEMNAME] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[SIGNEDTYPE] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[CLIENTIP] [varchar](200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[CLIENTMAC] [varchar](200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[CLIENTNAME] [varchar](500) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[METHODNAME] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[REQUEST_TM] [datetime] NULL,
[ANSWER_TM] [datetime] NULL,
[ANSWER_TOTAL] [numeric](20, 0) NULL,
[ANSWER_CURRENTCOUNT] [numeric](20, 0) NULL,
[LOG_ID] [numeric](30, 0) NOT NULL,
[WAYBILL_NOS] [varchar](400) COLLATE SQL_Latin1_General_CP1_CI_AS NULL
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
Thanks
Best Regards!
Steve zeng
steve_zeng
steve_zeng's Profile: https://forums.netiq.com/member.php?userid=3875
View this thread: https://forums.netiq.com/showthread.php?t=50290

steve_zeng;242145 Wrote:
> Hi,
>
> when i troubleshooting my collector, sentinel GUI message prompt
> following:
>
>
> Parsing failed: TypeError: Cannot call method "replace" of undefined;
> input:
>
> my release.js is following:
> ----------------------------------------------------------------------
> Collector.prototype.initialize = function() {
> this.PARSER.getOffsetData = function(input) {
> if (typeof input.RXMap != "undefined") {
> return input.RXMap.REQUEST_TM;
> }
> };
> conn.addParser(this.PARSER.getOffsetData);
> return true;
> };
>
> Collector.prototype.cleanup = function() {
> return true;
> };
>
>
> Connector.prototype.sendQuery = function() {
> return true;
> };
>
>
> Record.prototype.preParse = function(e) {
> if (this.CONNECTION_ERROR != null || typeof this.RXMap == "undefined")
> { return false; }
>
> if (this.CONNECTION_METHOD == "DATABASE") {
>
> for (var field in this.RXMap) {
> this[field] = this.RXMap[field];
> }
> }
>
> return true;
> };
>
> Record.prototype.parse = function(e) {
>
> var detstring =
> this.RXMap.REQUEST_TM.replace(/(\d+)\/(\d+)\/(\d{4})\s(\S+)/g, '$1/$2/$3
> $4 GMT');
> var dt = new Date(detstring);
> e.ObserverEventTime(dt);
> return true;
> };
>
>
> Record.prototype.normalize = function(e) {
> instance.SEND_EVENT =true;
> return true;
> };
>
> Record.prototype.postParse = function(e) {
> return true;
> };
>
>
> Record.prototype.reply = function(e) {
> return true;
>
> ----------------------------------------------------------------------------
> my sqlquery.base is following:
>
> SELECT TOP 100 * FROM TS_QUERYBILLSIGNED_LOG WHERE REQUEST_TM > %s
>
>
> My table sample is following:
> ----------------------------------------------------------------------------------
>
> CUSTCODE,BEGIN_TM,END_TM,PAGEINDEX,QUERYTYPE,SYSTE MNAME,SIGNEDTYPE,CLIENTIP,CLIENTMAC,CLIENTNAME,MET HODNAME,REQUEST_TM,ANSWER_TM,ANSWER_TOTAL,ANSWER_C URRENTCOUNT,LOG_ID,WAYBILL_NOS
> 8710294837,12/30/2013,1/2/2014
> 23:59,0,0,CSS-CLIENT,0,221.213.26.241,6C-F0-49-CD-2C-CD,a0af75ce888346e,waybillSingedTotal,1/3/2014
> 14:50,1/3/2014 14:50,28,4,433676211,
>
> -----------------------------------------------------------------------------------------
> My table Schema is following:
>
> USE [sfere]
> GO
>
> SET ANSI_NULLS ON
> GO
> SET QUOTED_IDENTIFIER ON
> GO
> SET ANSI_PADDING ON
> GO
> CREATE TABLE [dbo].[ts_querybillsigned_log](
> [CUSTCODE] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
> [BEGIN_TM] [datetime] NULL,
> [END_TM] [datetime] NULL,
> [PAGEINDEX] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
> [QUERYTYPE] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
> [SYSTEMNAME] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
> [SIGNEDTYPE] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
> [CLIENTIP] [varchar](200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
> [CLIENTMAC] [varchar](200) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
> [CLIENTNAME] [varchar](500) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
> [METHODNAME] [varchar](20) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
> [REQUEST_TM] [datetime] NULL,
> [ANSWER_TM] [datetime] NULL,
> [ANSWER_TOTAL] [numeric](20, 0) NULL,
> [ANSWER_CURRENTCOUNT] [numeric](20, 0) NULL,
> [LOG_ID] [numeric](30, 0) NOT NULL,
> [WAYBILL_NOS] [varchar](400) COLLATE SQL_Latin1_General_CP1_CI_AS NULL
> ) ON [PRIMARY]
>
> GO
> SET ANSI_PADDING OFF
>
> Thanks
> Best Regards!
> Steve zeng
It's throwing an exception because at some point, you are not checking
your string for nulls before calling replace. My guess is that
this.RXMap.REQUEST_TM is sometimes empty/null and when you call replace,
it then excepts. Always ensure that your string value is
non-null/defined before calling a function against it.
brandon.langley
brandon.langley's Profile: https://forums.netiq.com/member.php?userid=350
View this thread: https://forums.netiq.com/showthread.php?t=50290

Uncaught TypeError: Cannot call method 'renderStoreProperty' of undefined

Hi,
I'm using CQ5.5 with SP2.
I am going through the tutorial on how to create and register a new xtype.
I have followed the steps, and am getting the following error when I try to view the page:
Uncaught TypeError: Cannot call method 'renderStoreProperty' of undefined
I have added the following:
/apps/training/widgets ( jcr:primaryType(Name)=cq:ClientLibraryFolder, categories(String[])=training.widgets, dependencies(String[])=cq.widgets, sling:resourceType(String[])=widgets/clientlib )
/apps/training/widgets/files (jcr:primaryType(Name)=nt:folder)
/apps/training/widgets/files/training.js (content below)
/apps/training/widgets/js.txt
#base=files
training.js
training.js
// Create the namespace
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I have included headlibs.jsp for an extension of page as per the tutorial, contianing:
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When debugging the /etc/clientlibs/foundation/librarymanager/CQClientLibraryManager.js file, the path seems to be correct, pointing to:
/apps/training/widgets.js
unfortunately, when I try to hit
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This leads me to believe that I have something wrong with the /apps/training/widgets node, as it is not rendering the .js includes.
Any help would be greatly appreciated.

OK, found the problem.
The clue was that it couldn't find the relevant js files.
The tutorial tells us to add:
<cq:inclueClientLib js="training.widgets" />
Just above they have the line:
<cq:inclueClientLib categories="cq.foundation-main"/>
as we have set the property categories(String[])=training.widgets, if we change js to categories as such:
<cq:inclueClientLib categories="training.widgets" />
It fixes the issue.

Edge Proyect TypeError: Cannot call method 'appendChild' of undefined" version 2014.1.1

Hi there, any help with this error?
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Hello,
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Apply template but it show "cannot call method 'getAttribute' of null"

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The Code tool is realy useful for putting the script in a readable format.
This isnt' a great location for generic, non SharePoint, PowerShell questions. A lot of us know it back to front but the hey Scripting guy forum is much faster than we are here.
That error message is actually very descriptive. It's saying there is no invoke method on a null object, or in other words there isn't an object to operate on. Or to finally put it in English: There is no '$shellApplication' object that PowerShell knows
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Hi ,
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     at oracle.jbo.ExprEval.evaluateForRow(ExprEval.java:1075)
     at oracle.jbo.server.AttributeDefImpl.evaluateTransientExpression(AttributeDefImpl.java:2131)
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     at oracle.jbo.server.ViewRowImpl.getAttributeValue(ViewRowImpl.java:1962)
     at oracle.jbo.server.ViewRowImpl.getAttributeInternal(ViewRowImpl.java:824)
     at oracle.jbo.server.ViewRowImpl.getAttrInvokeAccessor(ViewRowImpl.java:906)
     at oracle.jbo.server.ViewRowImpl.getAttribute(ViewRowImpl.java:854)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding.internalGetAttributeValueFromRow(JUCtrlValueBinding.java:1213)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding.getAttributeFromRow(JUCtrlValueBinding.java:764)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding.getInputValueInRow(JUCtrlValueBinding.java:3004)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding.getInputValue(JUCtrlValueBinding.java:2852)
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     at oracle.jbo.uicli.binding.JUCtrlValueBinding.internalGet(JUCtrlValueBinding.java:2416)
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     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
     at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
     at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeCenterFacet(PanelStretchLayoutRenderer.java:879)
     at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeCenterPane(PanelStretchLayoutRenderer.java:1294)
     at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer._encodeMiddlePanes(PanelStretchLayoutRenderer.java:351)
     at oracle.adfinternal.view.faces.renderkit.rich.PanelStretchLayoutRenderer.encodeAll(PanelStretchLayoutRenderer.java:316)
     at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
     at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
     at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3062)
     at oracle.adfinternal.view.faces.renderkit.rich.FormRenderer.encodeAll(FormRenderer.java:274)
     at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
     at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
     at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3062)
     at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:1277)
     at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
     at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1659)
     at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1655)
     at oracle.adfinternal.view.faces.component.AdfViewRoot.encodeAll(AdfViewRoot.java:91)
     at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:399)
     at org.apache.myfaces.trinidadinternal.application.ViewDeclarationLanguageFactoryImpl$ChangeApplyingVDLWrapper.renderView(ViewDeclarationLanguageFactoryImpl.java:350)
     at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:131)
     at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:273)
     at org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:165)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._renderResponse(LifecycleImpl.java:1027)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:334)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:232)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:173)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:122)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:180)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
     at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
<Utils> <buildFacesMessage> ADF: Adding the following JSF error message: Cannot invoke method multiply() on null object
any help please ?

Thanks Frank ,
really i've already downloaded the ZIP of the final application , but the same error message ,
when removing the Annual salary ( Which is a new Attribute ( not DB column) Salary * 12 ) every think is fine and no more error message ,there is no null salary all the employees have a salary , my JDeveloper Version is 11.1.2.1.0
also , because of the EmpDetails is based on the query
FROM EMPLOYEES Employees, DEPARTMENTS Departments
WHERE Employees.DEPARTMENT_ID = Departments.DEPARTMENT_ID
and the Department id is non editable value , that means even if you add a new user u cant never check this user in this interface , u can check this user only on DB (SQL) level .
Edited by: 876602 on Jul 1, 2012 5:17 AM

Calendar invitation errors: cannot call method 'index of' of undefined

I added an event to iCal and it sent out some email invitaions. When people click "Accept" in their emails, they get this eror "an error has occurred which prevents application from running: cannot call method 'indexOf' of undefined". Anyone know what's going on here?

Roginator,
I too have been experiencing this in the past couple of days. We have two iPhones (4s), and my wife and I add each other to our schedules. We have tried at least 5 tests recently, and only 1 worked. The error occurs in Safari on the iphone and also in my web browsers -Chrome, IE, and Firefox.
Can we get someone from Apple, on the iCloud side involved with this ASAP. I am sure many others are experiencing this.
Thanks.

Error : MustJSAssert: Error calling selector function: TypeError: Cannot read property

Im getting an error : MustJSAssert: Error calling selector function: TypeError: Cannot read property 'style' of null'
- with each page selection on the nav bar
here is the link
http://http-shipleybusinesscatalystcom.businesscatalyst.com/index.html

I'm unable to reproduce the error message at your site (on any of the pages) as tested in multiple browsers on a Windows machine. What browser (with version)/OS/Muse version are you using?
However, the most likely cause of the error message is the pinned menu at your site. Refer to a similar thread here - http://forums.adobe.com/thread/1117058
If the problem persists at your end, please try clearing your browser's cache/history/cookies and re-try. Also try a different browser in order to isolate the issue to a specific browser (version).
Thanks,
Vinayak

Calling methods from inside a tag using jsp 2.0

My searching has led me to believe that you cannot call methods from in the jsp 2.0 tags. Is this correct? Here is what I am trying to do.
I have an object that keeps track of various ui information (i.e. tab order, whether or not to stripe the current row and stuff like that). I am trying out the new (to me) jsp tag libraries like so:
jsp page:
<jsp:useBean id="rowState" class="com.mypackage.beans.RowState" />
<ivrow:string rowState="${rowState}" />my string tag:
<%@ attribute type="com.mypackage.beans.RowState" name="rowState" required="true" %>
<c:choose>
     <c:when test="${rowState.stripeToggle}">
          <tr class="ivstripe">
     </c:when>
     <c:otherwise>
          <tr>
     </c:otherwise>
</c:choose>I can access the getter method jst fine. It tells me wether or not to have a white row or a gray row. Now I want to toggle the state of my object but I get the following errors when I try this ${rowState.toggle()}:
org.apache.jasper.JasperException: /WEB-INF/tags/ivrow/string.tag(81,2) The function toggle must be used with a prefix when a default namespace is not specified
Question 1:
Searching on this I found some sites that seemed to say you can't call methods inside tag files...is this true?...how should I do this then? I tried pulling the object out of the pageContext like this:
<%@ page import="com.xactsites.iv.beans.*" %>
<%
RowState rowState = (RowState)pageContext.getAttribute("rowState");
%>I get the following error for this:
Generated servlet error:
RowState cannot be resolved to a type
Question 2:
How come java can't find RowState. I seem to recall in my searching reading that page directives aren't allowed in tag files...is this true? How do I import files then?
I realized that these are probably newbie questions so please be kind, I am new to this and still learning. Any responses are welcome...including links to good resources for learning more.

You are correct in that JSTL can only call getter/setter methods, and can call methods outside of those. In particular no methods with parameters.
You could do a couple of things though some of them might be against the "rules"
1 - Whenever you call isStripeToggle() you could "toggle" it as a side effect. Not really a "clean" solution, but if documented that you call it only once for each iteration would work quite nicely I think.
2 - Write the "toggle" method following the getter/setter pattern so that you could invoke it from JSTL.
ie public String getToggle(){
    toggle = !toggle;
    return "";
}Again its a bit of a hack, but you wouldn't be reusing the isStriptToggle() method in this way
The way I normally approach this is using a counter for the loop I am in.
Mostly when you are iterating on a JSP page you are using a <c:forEach> tag or similar which has a varStatus attribute.
<table>
<c:forEach var="row" items="${listOfThings}" varStatus="status">
<tr class="${status.index % 2 == 0 ? 'evenRow' : 'oddRow'}">
    <td>${status.index}></td>
    <td>${row.name}</td>
</tr>
</c:forEach>

TypeError: Error #1009: Cannot access a property or method of a null object reference.

Hi all,
I am new to ActionScript and Flash, and I am getting this error: TypeError: Error #1009: Cannot access a property or method of a null object reference.
at jessicaclucas_fla::MainTimeline/stopResumescroll()
I have several different clips in one movie that have scrolling content. When I click a button to move to a different clip that doesn’t have a certain scroll, it gives me this error. I cannot figure out how to fix this. You can see the site I am working on: http://www.jessicaclucas.com. I would really appreciate some help! Thank you in advance. Here is the code:
//Import TweenMax and the plugin for the blur filter
import gs.TweenMax;
import gs.plugins.BlurFilterPlugin;
//Save the content’s and mask’s height.
//Assign your own content height here!!
var RESUMECONTENT_HEIGHT:Number = 1500;
var RESUME_HEIGHT:Number = 450;
//We want to know what was the previous y coordinate of the content (for the animation)
var oldResumeY:Number = myResumecontent.y;
//Position the content on the top left corner of the mask
myResumecontent.x = myResume.x;
myResumecontent.y = myResume.y;
//Set the mask to our content
myResumecontent.mask = myResume;
//Create a rectangle that will act as the Resumebounds to the scrollMC.
//This way the scrollMC can only be dragged along the line.
var Resumebounds:Rectangle = new Rectangle(resumescrollMC.x,resumescrollMC.y,0,450);
//We want to know when the user is Resumescrolling
var Resumescrolling:Boolean = false;
//Listen when the user is holding the mouse down on the scrollMC
resumescrollMC.addEventListener(MouseEvent.MOUSE_DOWN, startResumescroll);
//Listen when the user releases the mouse button
stage.addEventListener(MouseEvent.MOUSE_UP, stopResumescroll);
//This function is called when the user is dragging the scrollMC
function startResumescroll(e:Event):void {
//Set Resumescrolling to true
Resumescrolling = true;
//Start dragging the scrollMC
resumescrollMC.startDrag(false,Resumebounds);
//This function is called when the user stops dragging the scrollMC
function stopResumescroll(e:Event):void {
//Set Resumescrolling to false
Resumescrolling = false;
//Stop the drag
resumescrollMC.stopDrag();
//Add ENTER_FRAME to animate the scroll
addEventListener(Event.ENTER_FRAME, enterResumeHandler);
//This function is called in each frame
function enterResumeHandler(e:Event):void {
//Check if we are Resumescrolling
if (Resumescrolling == true) {
//Calculate the distance how far the scrollMC is from the top
var distance:Number = Math.round(resumescrollMC.y - Resumebounds.y);
//Calculate the percentage of the distance from the line height.
//So when the scrollMC is on top, percentage is 0 and when its
//at the bottom the percentage is 1.
var percentage:Number = distance / RESUME_HEIGHT;
//Save the old y coordinate
oldResumeY = myResumecontent.y;
//Calculate a new y target coordinate for the content.
//We subtract the mask’s height from the contentHeight.
//Otherwise the content would move too far up when we scroll down.
//Remove the subraction to see for yourself!
var targetY:Number = -((RESUMECONTENT_HEIGHT - RESUME_HEIGHT) * percentage) + myResume.y;
//We only want to animate the scroll if the old y is different from the new y.
//In our movie we animate the scroll if the difference is bigger than 5 pixels.
if (Math.abs(oldResumeY - targetY) > 5) {
//Tween the content to the new location.
//Call the function ResumetweenFinished() when the tween is complete.
TweenMax.to(myResumecontent, 0.3, {y: targetY, blurFilter:{blurX:22, blurY:22}, onComplete: ResumetweenFinished});
//This function is called when the tween is finished
function ResumetweenFinished():void {
//Tween the content back to “normal” (= remove blur)
TweenMax.to(myResumecontent, 0.3, {blurFilter:{blurX:0, blurY:0}});

Hi again,
Thank you for helping. I really appreciate it! Would it be easier to say, if resumescrollMC exists, then execute these functions? I was not able to figure out the null statement from your post. Here is what I am trying (though I am not sure it is possible). I declared the var resumescrollMC, and then I tried to put pretty much the entire code into an if (resumescrollMC == true) since this code only needs to be completed when resumescrollMC is on the stage. It is not working the way I have tried, but I am assuming I am setting up the code incorrectly. Or, an if statement is not supposed to be issued to an object:
//Import TweenMax and the plugin for the blur filter
import gs.TweenMax2;
import gs.plugins.BlurFilterPlugin2;
//Save the content's and mask's height.
//Assign your own content height here!!
var RESUMECONTENT_HEIGHT:Number = 1500;
var RESUME_HEIGHT:Number = 450;
var resumescrollMC:MovieClip;
if (resumescrollMC == true) {
//We want to know what was the previous y coordinate of the content (for the animation)
var oldResumeY:Number = myResumecontent.y;
//Position the content on the top left corner of the mask
myResumecontent.x = myResume.x;
myResumecontent.y = myResume.y;
//Set the mask to our content
myResumecontent.mask = myResume;
//Create a rectangle that will act as the Resumebounds to the scrollMC.
//This way the scrollMC can only be dragged along the line.
var Resumebounds:Rectangle = new Rectangle(resumescrollMC.x,resumescrollMC.y,0,450);
//We want to know when the user is Resumescrolling
var Resumescrolling:Boolean = false;
//Listen when the user is holding the mouse down on the scrollMC
resumescrollMC.addEventListener(MouseEvent.MOUSE_DOWN, startResumescroll);
//Listen when the user releases the mouse button
stage.addEventListener(MouseEvent.MOUSE_UP, stopResumescroll);
//This function is called when the user is dragging the scrollMC
function startResumescroll(e:Event):void {
//Set Resumescrolling to true
Resumescrolling = true;
//Start dragging the scrollMC
resumescrollMC.startDrag(false,Resumebounds);
//This function is called when the user stops dragging the scrollMC
function stopResumescroll(e:Event):void {
//Set Resumescrolling to false
Resumescrolling = false;
//Stop the drag
resumescrollMC.stopDrag();
//Add ENTER_FRAME to animate the scroll
addEventListener(Event.ENTER_FRAME, enterResumeHandler);
//This function is called in each frame
function enterResumeHandler(e:Event):void {
//Check if we are Resumescrolling
if (Resumescrolling == true) {
//Calculate the distance how far the scrollMC is from the top
var distance:Number = Math.round(resumescrollMC.y - Resumebounds.y);
//Calculate the percentage of the distance from the line height.
//So when the scrollMC is on top, percentage is 0 and when its
//at the bottom the percentage is 1.
var percentage:Number = distance / RESUME_HEIGHT;
//Save the old y coordinate
oldResumeY = myResumecontent.y;
//Calculate a new y target coordinate for the content.
//We subtract the mask's height from the contentHeight.
//Otherwise the content would move too far up when we scroll down.
//Remove the subraction to see for yourself!
var targetY:Number = -((RESUMECONTENT_HEIGHT - RESUME_HEIGHT) * percentage) + myResume.y;
//We only want to animate the scroll if the old y is different from the new y.
//In our movie we animate the scroll if the difference is bigger than 5 pixels.
if (Math.abs(oldResumeY - targetY) > 5) {
//Tween the content to the new location.
//Call the function ResumetweenFinished() when the tween is complete.
TweenMax.to(myResumecontent, 0.3, {y: targetY, blurFilter:{blurX:22, blurY:22}, onComplete: ResumetweenFinished});
//This function is called when the tween is finished
function ResumetweenFinished():void {
//Tween the content back to "normal" (= remove blur)
TweenMax.to(myResumecontent, 0.3, {blurFilter:{blurX:0, blurY:0}});

TypeError: Error #1009: Cannot access a property or method of a null object reference.      at FC_Home_A

Dear Sir,
I really need your valuable assistance i was about to finish a project but at very last moment i am stuck. Here is the explanation below...
I have two files called "holder.swf" and "slide.swf" i want to improt the "slide.swf" using this action below
var myLoader:Loader = new Loader();
var url:URLRequest = new URLRequest("slide.swf");
myLoader.load(url);
addChild(myLoader);
myLoader.x = 2;
myLoader.y = 2;
Also i have attached the flash file of "holder.swf". My concern is the moment i am calling the "slide.swf" inside the "holder.swf" it is showing the following error...
" TypeError: Error #1009: Cannot access a property or method of a null object reference.
          at FC_Home_Ads_Holder_v2_fla::MainTimeline() "
Here are the files uploaded for your reference, please download this file http://www.touchpixl.com/ForumsAdobecom.zip
This error is being occured from "MainTimeline.as" file here is the code been use inside of this file below....
package FC_Home_Ads_Holder_v2_fla
    import __AS3__.vec.*;
    import adobe.utils.*;
    import com.danehansen.*;
    import com.greensock.*;
    import com.greensock.easing.*;
    import com.greensock.plugins.*;
    import flash.accessibility.*;
    import flash.desktop.*;
    import flash.display.*;
    import flash.errors.*;
    import flash.events.*;
    import flash.external.*;
    import flash.filters.*;
    import flash.geom.*;
    import flash.globalization.*;
    import flash.media.*;
    import flash.net.*;
    import flash.net.drm.*;
    import flash.printing.*;
    import flash.profiler.*;
    import flash.sampler.*;
    import flash.sensors.*;
    import flash.system.*;
    import flash.text.*;
    import flash.text.engine.*;
    import flash.text.ime.*;
    import flash.ui.*;
    import flash.utils.*;
    import flash.xml.*;
    public dynamic class MainTimeline extends flash.display.MovieClip
        public function MainTimeline()
            new Vector.<String>(6)[0] = "Productivity";
            new Vector.<String>(6)[1] = "Leadership";
            new Vector.<String>(6)[2] = "Execution";
            new Vector.<String>(6)[3] = "Education";
            new Vector.<String>(6)[4] = "Speed of Trust";
            new Vector.<String>(6)[5] = "Sales";
            super();
            addFrameScript(0, this.frame1);
            return;
        public function init():void
            var loc1:*=null;
            com.greensock.plugins.TweenPlugin.activate([com.greensock.plugins.Aut oAlphaPlugin]);
            loc1 = new flash.net.URLLoader(new flash.net.URLRequest(this.XML_LOC));
            var loc2:*;
            this.next_mc.buttonMode = loc2 = true;
            this.prev_mc.buttonMode = loc2;
            stage.scaleMode = flash.display.StageScaleMode.NO_SCALE;
            stage.align = flash.display.StageAlign.TOP_LEFT;
            loc1.addEventListener(flash.events.Event.COMPLETE, this.xmlLoaded, false, 0, true);
            this.prev_mc.addEventListener(flash.events.MouseEvent.CLICK, this.minusClick, false, 0, true);
            this.next_mc.addEventListener(flash.events.MouseEvent.CLICK, this.plusClick, false, 0, true);
            return;
        public function xmlLoaded(arg1:flash.events.Event):void
            var loc1:*=null;
            var loc2:*=0;
            this.xmlData = new XML(arg1.target.data);
            loc2 = 0;
            while (loc2 < this.LABELS.length)
                loc1 = new Btn(this.LABELS[loc2], loc2);
                this.btnHolder_mc.addChild(loc1);
                this.BTNS.push(loc1);
                trace(this.LABELS[loc2]);
                ++loc2;
            this.current = uint(this.xmlData.@firstPick);
            trace("-----width-----");
            trace(this.contentMask.width);
            var loc3:*=this.contentMask.width / this.LABELS.length;
            trace(loc3);
            loc2 = 0;
            while (loc2 < this.BTNS.length)
                this.BTNS[loc2].width = loc3;
                this.BTNS[loc2].x = loc3 * loc2;
                ++loc2;
            this.btnHolder_mc.addEventListener(flash.events.MouseEvent.CLICK, this.numClick, false, 0, true);
            this.selectMovie();
            return;
        public function numClick(arg1:flash.events.MouseEvent):void
            this.killTimer();
            this.current = arg1.target.i;
            this.selectMovie();
            return;
        public function killTimer():void
            this.timerGoing = false;
            if (this.timer)
                this.timer.reset();
                this.timer.addEventListener(flash.events.TimerEvent.TIMER, this.plusClick, false, 0, true);
                this.timer = null;
            return;
        public function selectMovie():void
            if (this.timerGoing)
                this.timer = new flash.utils.Timer(uint(this.xmlData.ad[com.danehansen.MyMath.modulo(t his.current, this.xmlData.ad.length())].@delay), 1);
                this.timer.start();
                this.timer.addEventListener(flash.events.TimerEvent.TIMER, this.plusClick, false, 0, true);
            while (this.holder_mc.numChildren > 0)
                this.holder_mc.removeChild(this.holder_mc.getChildAt(0));
            var loc1:*=new flash.display.Loader();
            loc1.load(new flash.net.URLRequest(this.xmlData.ad[com.danehansen.MyMath.modulo(thi s.current, this.xmlData.ad.length())].@loc));
            this.holder_mc.addChild(loc1);
            var loc2:*=0;
            while (loc2 < this.BTNS.length)
                this.BTNS[loc2].deselect();
                ++loc2;
            this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].select();
            var loc3:*=this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].x + this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].width / 2 + this.btnHolder_mc.x;
            trace("addLength:" + this.xmlData.ad.length());
            trace(loc3, com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length()));
            com.greensock.TweenLite.to(this.indicator_mc, 0.3, {"x":loc3, "ease":com.greensock.easing.Cubic.easeOut});
            loc1.contentLoaderInfo.addEventListener(flash.events.Event.COMPLETE, this.adLoaded, false, 0, true);
            return;
        public function adLoaded(arg1:flash.events.Event):void
            var evt:flash.events.Event;
            var loc1:*;
            evt = arg1;
            try
                evt.target.content.xmlData = this.xmlData.ad[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())];
            catch (er:Error)
            return;
        public function minusClick(arg1:flash.events.MouseEvent):void
            this.killTimer();
            var loc1:*;
            var loc2:*=((loc1 = this).current - 1);
            loc1.current = loc2;
            this.selectMovie();
            return;
        public function plusClick(arg1:flash.events.Event):void
            if (arg1.type != "timer")
                this.killTimer();
            var loc1:*;
            var loc2:*=((loc1 = this).current + 1);
            loc1.current = loc2;
            this.selectMovie();
            trace("next");
            return;
        public function ENDED(arg1:flash.events.Event):void
            if (arg1.type != "timer")
                this.killTimer();
            var loc1:*;
            var loc2:*=((loc1 = this).current + 1);
            loc1.current = loc2;
            this.selectMovie();
            trace("next");
            return;
        public function STARTED(arg1:flash.events.Event):void
            this.killTimer();
            return;
        function frame1():*
            this.timerGoing = true;
            addEventListener("endNow", this.ENDED, false, 0, true);
            addEventListener("startNow", this.STARTED, false, 0, true);
            this.init();
            return;
        public const XML_LOC:String=stage.loaderInfo.parameters.xmlLoc ? stage.loaderInfo.parameters.xmlLoc : "home_ads.xml";
        public const LABELS:__AS3__.vec.Vector.<String>=new Vector.<String>(6);
        public const BTNS:__AS3__.vec.Vector.<Btn>=new Vector.<Btn>();
        public const TRANSITION_TIME:Number=0.2;
        public var contentMask:flash.display.MovieClip;
        public var btnHolder_mc:flash.display.MovieClip;
        public var holder_mc:flash.display.MovieClip;
        public var indicator_mc:flash.display.MovieClip;
        public var prev_mc:flash.display.MovieClip;
        public var next_mc:flash.display.MovieClip;
        public var current:int;
        public var xmlData:XML;
        public var timer:flash.utils.Timer;
        public var timerGoing:Boolean;
Here is the folder uploaded on the server for you to get clear picture, please click on this link to download the entire folder. http://www.touchpixl.com/ForumsAdobecom.zip
I am not being able to resolve the issue, it needs a master to get the proper solution. I would request you to help me.
Thanks & Regards
Sanjib Das

Here is the entire code of MainTimeline.as below, please correct it.
package FC_Home_Ads_Holder_v2_fla
    import __AS3__.vec.*;
    import adobe.utils.*;
    import com.danehansen.*;
    import com.greensock.*;
    import com.greensock.easing.*;
    import com.greensock.plugins.*;
    import flash.accessibility.*;
    import flash.desktop.*;
    import flash.display.*;
    import flash.errors.*;
    import flash.events.*;
    import flash.external.*;
    import flash.filters.*;
    import flash.geom.*;
    import flash.globalization.*;
    import flash.media.*;
    import flash.net.*;
    import flash.net.drm.*;
    import flash.printing.*;
    import flash.profiler.*;
    import flash.sampler.*;
    import flash.sensors.*;
    import flash.system.*;
    import flash.text.*;
    import flash.text.engine.*;
    import flash.text.ime.*;
    import flash.ui.*;
    import flash.utils.*;
    import flash.xml.*;
    public dynamic class MainTimeline extends flash.display.MovieClip
        public function MainTimeline()
            new Vector.<String>(6)[0] = "Productivity";
            new Vector.<String>(6)[1] = "Leadership";
            new Vector.<String>(6)[2] = "Execution";
            new Vector.<String>(6)[3] = "Education";
            new Vector.<String>(6)[4] = "Speed of Trust";
            new Vector.<String>(6)[5] = "Sales";
            super();
            addFrameScript(0, this.frame1);
            return;
        public function init():void
            var loc1:*=null;
            com.greensock.plugins.TweenPlugin.activate([com.greensock.plugins.AutoAlphaPlugin]);
            loc1 = new flash.net.URLLoader(new flash.net.URLRequest(this.XML_LOC));
            var loc2:*;
            this.next_mc.buttonMode = loc2 = true;
            this.prev_mc.buttonMode = loc2 = true;
            stage.scaleMode = flash.display.StageScaleMode.NO_SCALE;
            stage.align = flash.display.StageAlign.TOP_LEFT;
            loc1.addEventListener(flash.events.Event.COMPLETE, this.xmlLoaded, false, 0, true);
            this.prev_mc.addEventListener(flash.events.MouseEvent.CLICK, this.minusClick, false, 0, true);
            this.next_mc.addEventListener(flash.events.MouseEvent.CLICK, this.plusClick, false, 0, true);
            return;
        public function xmlLoaded(arg1:flash.events.Event):void
            var loc1:*=null;
            var loc2:*=0;
            this.xmlData = new XML(arg1.target.data);
            loc2 = 0;
            while (loc2 < this.LABELS.length)
                loc1 = new Btn(this.LABELS[loc2], loc2);
                this.btnHolder_mc.addChild(loc1);
                this.BTNS.push(loc1);
                trace(this.LABELS[loc2]);
                ++loc2;
            this.current = uint(this.xmlData.@firstPick);
            trace("-----width-----");
            trace(this.contentMask.width);
            var loc3:*=this.contentMask.width / this.LABELS.length;
            trace(loc3);
            loc2 = 0;
            while (loc2 < this.BTNS.length)
                this.BTNS[loc2].width = loc3;
                this.BTNS[loc2].x = loc3 * loc2;
                ++loc2;
            this.btnHolder_mc.addEventListener(flash.events.MouseEvent.CLICK, this.numClick, false, 0, true);
            this.selectMovie();
            return;
        public function numClick(arg1:flash.events.MouseEvent):void
            this.killTimer();
            this.current = arg1.target.i;
            this.selectMovie();
            return;
        public function killTimer():void
            this.timerGoing = false;
            if (this.timer)
                this.timer.reset();
                this.timer.addEventListener(flash.events.TimerEvent.TIMER, this.plusClick, false, 0, true);
                this.timer = null;
            return;
        public function selectMovie():void
            if (this.timerGoing)
                this.timer = new flash.utils.Timer(uint(this.xmlData.ad[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].@delay), 1);
                this.timer.start();
                this.timer.addEventListener(flash.events.TimerEvent.TIMER, this.plusClick, false, 0, true);
            while (this.holder_mc.numChildren > 0)
                this.holder_mc.removeChild(this.holder_mc.getChildAt(0));
            var loc1:*=new flash.display.Loader();
            loc1.load(new flash.net.URLRequest(this.xmlData.ad[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].@loc));
            this.holder_mc.addChild(loc1);
            var loc2:*=0;
            while (loc2 < this.BTNS.length)
                this.BTNS[loc2].deselect();
                ++loc2;
            this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].select();
            var loc3:*=this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].x + this.BTNS[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())].width / 2 + this.btnHolder_mc.x;
            trace("addLength:" + this.xmlData.ad.length());
            trace(loc3, com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length()));
            com.greensock.TweenLite.to(this.indicator_mc, 0.3, {"x":loc3, "ease":com.greensock.easing.Cubic.easeOut});
            loc1.contentLoaderInfo.addEventListener(flash.events.Event.COMPLETE, this.adLoaded, false, 0, true);
            return;
        public function adLoaded(arg1:flash.events.Event):void
            var evt:flash.events.Event;
            var loc1:*;
            evt = arg1;
            try
                evt.target.content.xmlData = this.xmlData.ad[com.danehansen.MyMath.modulo(this.current, this.xmlData.ad.length())];
            catch (er:Error)
            return;
        public function minusClick(arg1:flash.events.MouseEvent):void
            this.killTimer();
            var loc1:*;
            var loc2:*=((loc1 = this).current - 1);
            loc1.current = loc2;
            this.selectMovie();
            return;
        public function plusClick(arg1:flash.events.Event):void
            if (arg1.type != "timer")
                this.killTimer();
            var loc1:*;
            var loc2:*=((loc1 = this).current + 1);
            loc1.current = loc2;
            this.selectMovie();
            trace("next");
            return;
        public function ENDED(arg1:flash.events.Event):void
            if (arg1.type != "timer")
                this.killTimer();
            var loc1:*;
            var loc2:*=((loc1 = this).current + 1);
            loc1.current = loc2;
            this.selectMovie();
            trace("next");
            return;
        public function STARTED(arg1:flash.events.Event):void
            this.killTimer();
            return;
        function frame1():*
            this.timerGoing = true;
            addEventListener("endNow", this.ENDED, false, 0, true);
            addEventListener("startNow", this.STARTED, false, 0, true);
            this.init();
            return;
        public const XML_LOC:String=stage.loaderInfo.parameters.xmlLoc ? stage.loaderInfo.parameters.xmlLoc : "home_ads.xml";
        public const LABELS:__AS3__.vec.Vector.<String>=new Vector.<String>(6);
        public const BTNS:__AS3__.vec.Vector.<Btn>=new Vector.<Btn>();
        public const TRANSITION_TIME:Number=0.2;
        public var contentMask:flash.display.MovieClip;
        public var btnHolder_mc:flash.display.MovieClip;
        public var holder_mc:flash.display.MovieClip;
        public var indicator_mc:flash.display.MovieClip;
        public var prev_mc:flash.display.MovieClip;
        public var next_mc:flash.display.MovieClip;
        public var current:int;
        public var xmlData:XML;
        public var timer:flash.utils.Timer;
        public var timerGoing:Boolean;

TypeError: Error #1009: Cannot access a property or method of a null object reference. at mx.controls::AdvancedDataGrid/findHeaderRenderer()

Can anyone throw any light on this obscure Flex error?...
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.controls::AdvancedDataGrid/findHeaderRenderer()[...path...\projects\datavisualisation\ src\mx\controls\AdvancedDataGrid.as:1350]
at mx.controls::AdvancedDataGrid/mouseEventToItemRenderer()[...path...\projects\datavisualis ation\src\mx\controls\AdvancedDataGrid.as:1315]
at mx.controls.listClasses::AdvancedListBase/mouseMoveHandler()[...path...\projects\datavisu alisation\src\mx\controls\listClasses\AdvancedListBase.as:8091]
I found a related bug reported on Jira: https://bugs.adobe.com/jira/browse/FLEXDMV-1631
But in our case, we have no zoom effect. It may be timing related, as there is a lot of computation going on when this page, and the ADG is first initialised.
Please?... Any suggestions or workarounds? We don't want this falling over in the hands of our customers.
<rant> And people wonder why I hate Flex!? These obscure instabilities never happen when I develop Pure ActionScript. The Flash platform is wonderfully stable. But as soon as you bring Flex into play, things take longer to develop, it's a struggle to extend or change the behaviour of the bloated components, and everything falls apart as these bugs begin to surface.</rant>

facing the same problem... sdk 4.1. no solution for about 2 years ????

Error 1009 - TypeError: Error #1009: Cannot access a property or method of a null object reference.

hello,
I am trying to load a menu as an external file .... and getting this : TypeError: Error #1009: Cannot access a property or method of a null object reference.
at com::menu()
here is my code:
if(!menuLoader){
var menuRequest:URLRequest = new URLRequest("menu.swf");
var menuLoader:Loader = new Loader();
menuLoader.load(menuRequest);
container.addChild(menuLoader);
menuLoader.x = 700;
menuLoader.y = 50;
can anyone give me a helping hand?
thanks in advance.

use:
here is my code:
if(menuLoader!=null){
var menuRequest:URLRequest = new URLRequest("menu.swf");
var menuLoader:Loader = new Loader();
menuLoader.load(menuRequest);
container.addChild(menuLoader);
menuLoader.x = 700;
menuLoader.y = 50;

Help! TypeError: Error #1009: Cannot access a property or method of a null object reference.

I'am the just start learning actionscript 3, follow is my code, when i lauch the code, it still report the error in frame 36 but did not locate the error in which line. please help me debug them.... TypeError: Error #1009: Cannot access a property or method of a null object reference.
stop();
fm_button.visible = false;
import caurina.transitions.*;
var menu_label_North:Array = new Array("Animals Collection",
                                                                                 "Flowers Collection",
                                                                                 "Leaves Collection",
                                                                                 "Mixed Collection",
                                                                                 "Extra Collection",
                                                                                 "Special Awards",
                                                                                 "Company Background",
                                                                                 "Contact Information");
var total_north:Number = menu_label_North.length;
var i_north:Number = 0;
var page_north:Number;
var main_menu_North:MovieClip = new MovieClip();
stage.addChild(main_menu_North);
for (i_north = 0; i_north < total_north; i_north++)
          var btn_north = new flashmo_button();
          btn_north.name = "btn" + i_north;
          btn_north.x = fm_button.x + i_north * ( fm_button.width + 12 );
          btn_north.y = fm_button.y;
          btn_north.buttonMode = true;
          btn_north.item_no = i_north;
          btn_north.flashmo_click_area.addEventListener( Event.ENTER_FRAME, btn_enter_north );
          var each_substring_north:Array = menu_label_North[i_north].split("|");
          btn_north.flashmo_button_label.fm_label.text = each_substring[0];
          btn_north.item_url = each_substring[1];
          main_menu_North.addChild(btn_north);
function btn_over_north(e:MouseEvent):void
          e.target.parent.over = true;
function btn_out_north(e:MouseEvent):void
          e.target.parent.over = false;
function btn_click_north(e:MouseEvent):void
          var mc= e.target.parent;
          if ( mc.item_url != undefined )
                    navigateToURL( new URLRequest( mc.item_url ), "_parent" );
          else
                    change_page_north(mc.item_no);
function btn_enter_north(e:Event):void
          var mc_north = e.target.parent;
          if ( mc_north.over == true )
                    mc_north.nextFrame();
          else
                    mc_north.prevFrame();
function change_page_north(no:Number):void
          for (var i:Number = 0; i < main_menu_North.numChildren; i++)
                    var mc = MovieClip( main_menu_North.getChildAt(i) );
                    mc.over = false;
                    mc.flashmo_click_area.visible = true;
                    mc.flashmo_click_area.addEventListener( MouseEvent.ROLL_OVER, btn_over_north );
                    mc.flashmo_click_area.addEventListener( MouseEvent.ROLL_OUT, btn_out_north );
                    mc.flashmo_click_area.addEventListener( MouseEvent.CLICK, btn_click_north );
          var mc_selected = MovieClip( main_menu_North.getChildAt(no) );
          mc_selected.over = true;
          mc_selected.flashmo_click_area.visible = false;
          mc_selected.flashmo_click_area.removeEventListener( MouseEvent.ROLL_OVER, btn_over_north );
          mc_selected.flashmo_click_area.removeEventListener( MouseEvent.ROLL_OUT, btn_out_north );
          mc_selected.flashmo_click_area.removeEventListener( MouseEvent.CLICK, btn_click_north );
          page_north = no + 1;
          play();
change_page_north(0);// default page on load
flashmo_credit.addEventListener( MouseEvent.CLICK, goto_fm_north );
function goto_fm_north(e:MouseEvent):void
          navigateToURL( new URLRequest( "http://www.flashmo.com" ), "_parent" );
music_credit.addEventListener( MouseEvent.CLICK, goto_music_north );
function goto_music_north(e:MouseEvent):void
          navigateToURL( new URLRequest(
          "http://www.premiumbeat.com/royalty_free_music/byPiece.php?id=2614" ),
          "_blank" );

click file>publish settings>swf and tick "permit debugging". retest.
the line number of the code that contains that non-existant object you're trying to reference will be in the error message. indicate that line of code if you're not sure which object that is.

MuseJSAssert: ... TypeError: Cannot call method 'getElementsByTagName' of null

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