Hey Benjamin,

Wow - thanks alot for your professional insight!   No, you do not need the 
CGI's.  You can activitate the production datasets in data.lzx and comment out 
the development ones, and all should work in your local environment. 

I actually tried to get a basic DHTML example to get a little more familiar 
with how that will work, and I am still struggling with a basic deployment.  
Here are the steps I followed:

1.) Wrote a simple LZX file (see attached).
2.) Compiled it using DHTML target.  Seems to work in the compiler view.
3.) Clicked the SOLO deploy button.  Still seems to work ok in the  Preview 
SOLO Application in Browser.
4.) Clicked 'Continue' and downloaded solo-deploy.zip to the htdocs directory 
of my local Apache 2.x web server.  Unzipped solo-deploy.zip in this directory.
5.) Used Firefox 1.5 and IE 6 to open test.lxz.html, but nothing is rendered 
but a blank screen (although my browser adjusts to the specified canvas size).  

I also get a JavaScript error which says:

$1.width has no properties.  
http://localhost/test/lps/includes/embed-compressed.js

This is still using the   '3116 legals' in the nightly build on Windows XP.

I'm sure it's a DHTML newbie flub - can anyone set me straight or am I doing it 
right?

Thanks again for looking at my topoblog code!  I appreciate the help!

James

Benjamin Shine <[EMAIL PROTECTED]> wrote: 





I've found a few  things that are causing problems. Legals doesn't support 
audio, yet, so inclusion of mp3 resources and calls to playSound need to be 
removed. The stack trace happens on the inclusion of mp3 resources... This is 
filed as LPP-3340 http://www.openlaszlo.org/jira/browse/LPP-3340Commenting out 
the mp3 resources gets us further, and each of the calls to LzAudio.playSound 
need to be commented out.


Next I found some issues in basecrollbar, a bunch of places where the code was 
accessing this.thumb without checking whether this.thumb exists. This is the 
don't-dereference-a-null-pointer problem; swf silently fails when you try to 
dereference a null pointer, but dhtml gives up. I've just patched 
lps/base/basecrollbar.lzx, and I'll go through the file-a-bug, suggest-a-patch 
process. Give me a couple of days, and I'll have a fix checked in for that. 


With those changes, we compile ok, and get as far as loading the splash. 
Then... the constraint on the "latLbl" button refers to orLbl, but orLbl is 
null; i think you meant vflds.orLbl but for simplicity and for now, i took out 
the constraint on y completely. Same for the longitude label, each time orLbl 
and latLbl appear in the code. 


And now I get as far as an error at startup on "Amsterdam is not defined". I 
can kind of see where that's going; "Amsterdam" needs to be interpreted as a 
string literal, not a javascript identifier. I'll try to isolate this. Can I 
test this usefully without running the cgi-bin's on my machine? 


Hope this helps; I'll try to look at it again, and send real diffs. Given that 
it already pointed out a bug in one of the base components, it seems like a 
very useful exercise :)


-ben









On Dec 16, 2006, at 6:53 AM, James Caple wrote:

PT & Benjamin,

The app I am trying port to DHTML runs at topoblog.com.  The source is in 
subversion at: https://svn.sourceforge.net/svnroot/topoblog.

All I have done with legals so far is to put my source in 
\openlaszlo-4x\Server\lps-4.0.x\topoblog and try compiling my main file 
(topoblog.lzx) using the three available targets (swf7, swf8 and dhtml).  The 
dhtml target generates the stack trace previously supplied, while the other two 
at least compile (although there are evident porting changes that need to be 
made under those two targets - as expected).

Based on what I have read thus far, I do have embedded fonts (which I don't 
think should cause a compile stack trace), and I probably do have poorly 
handled null pointers (there do seem to be indications that this could cause a 
compilation problem).  So I will look at the null pointer situation first and 
let you know of my success.

Thanks for your help!

James


P T Withington <[EMAIL PROTECTED]> wrote: James, this looks like a bug in the 
compiler.  If you could give  
details on exactly what you did to provoke it, it would help us track  
the bug down.

In general, you should _not_ expect to have to change your  
application a great deal to port to Legal's.  There is some  
information on incompatibilities here:

http://wiki.openlaszlo.org/Runtime_Differences

and Ben has written up his experience porting one of the larger demos  
here:

http://weblog.openlaszlo.org/archives/2006/10/developer-notes-on- 
porting-to-legals/


On 2006-12-15, at 21:50 EST, James Caple wrote:

> Hi,
>
> I just started trying to port my app. to Legals using the latest  
> '3116 legals' in the nightly build.  The compile for swf7 and swf8  
> seems ok less some quirky font issues again.  But the DHTML target  
> bombs horribly.  Is it going to be the case that our LZX files will  
> need to be tweaked per targeted platform?  Are there any porting  
> guidelines available anywhere?
>
> Thanks in advance for any help or ideas on how to get my lzx files  
> compiled into DHTML.
>
> James
>
> PS, here is the stack trace I get when compiling with DHTML.  The  
> source I am compiling is also at http://sourceforge.net/projects/ 
> topoblog in subversion, not in the download.
>
> -- STACK TRACE --
>
>
> Error: org.openlaszlo.sc.parser.ParseException: Syntax error: the  
> token "}" was not expected at this position at line 46, column  
> 78.org.openlaszlo.utils.ChainedException:  
> org.openlaszlo.sc.parser.ParseException: Syntax error: the token  
> "}" was not expected at this position at line 46, column 78.
>  at org.openlaszlo.compiler.DHTMLWriter.close(DHTMLWriter.java:323)
>  at org.openlaszlo.compiler.Compiler.compile(Compiler.java:428)
>  at org.openlaszlo.compiler.Compiler.compile(Compiler.java:171)
>  at org.openlaszlo.cm.CompilationManager.compileItem 
> (CompilationManager.java:705)
>  at org.openlaszlo.cm.CompilationManager.getItem 
> (CompilationManager.java:442)
>  at org.openlaszlo.cm.CompilationManager.getLastModified 
> (CompilationManager.java:410)
>  at  
> org.openlaszlo.servlets.responders.ResponderCompile.getLastModified 
> (ResponderCompile.java:398)
>  at org.openlaszlo.servlets.responders.ResponderCompile.respondImpl 
> (ResponderCompile.java:178)
>  at org.openlaszlo.servlets.responders.Responder.respond 
> (Responder.java:265)
>  at org.openlaszlo.servlets.LZServlet._doGet(LZServlet.java:441)
>  at org.openlaszlo.servlets.LZServlet.doGet(LZServlet.java:355)
>  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 
> (ApplicationFilterChain.java:237)
>  at org.apache.catalina.core.ApplicationFilterChain.doFilter 
> (ApplicationFilterChain.java:157)
>  at org.apache.catalina.core.StandardWrapperValve.invoke 
> (StandardWrapperValve.java:214)
>  at org.apache.catalina.core.StandardValveContext.invokeNext 
> (StandardValveContext.java:104)
>  at org.apache.catalina.core.StandardPipeline.invoke 
> (StandardPipeline.java:520)
>  at org.apache.catalina.core.StandardContextValve.invokeInternal 
> (StandardContextValve.java:198)
>  at org.apache.catalina.core.StandardContextValve.invoke 
> (StandardContextValve.java:152)
>  at org.apache.catalina.core.StandardValveContext.invokeNext 
> (StandardValveContext.java:104)
>  at org.apache.catalina.core.StandardPipeline.invoke 
> (StandardPipeline.java:520)
>  at org.apache.catalina.core.StandardHostValve.invoke 
> (StandardHostValve.java:137)
>  at org.apache.catalina.core.StandardValveContext.invokeNext 
> (StandardValveContext.java:104)
>  at org.apache.catalina.valves.ErrorReportValve.invoke 
> (ErrorReportValve.java:117)
>  at org.apache.catalina.core.StandardValveContext.invokeNext 
> (StandardValveContext.java:102)
>  at org.apache.catalina.core.StandardPipeline.invoke 
> (StandardPipeline.java:520)
>  at org.apache.catalina.core.StandardEngineValve.invoke 
> (StandardEngineValve.java:109)
>  at org.apache.catalina.core.StandardValveContext.invokeNext 
> (StandardValveContext.java:104)
>  at org.apache.catalina.core.StandardPipeline.invoke 
> (StandardPipeline.java:520)
>  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:793)
>  at org.apache.coyote.http11.Http11Protocol 
> $Http11ConnectionHandler.processConnection(Http11Protocol.java:702)
>  at org.apache.tomcat.util.net.TcpWorkerThread.runIt 
> (PoolTcpEndpoint.java:571)
>  at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run 
> (ThreadPool.java:644)
>  at java.lang.Thread.run(Thread.java:595)
> Caused by: org.openlaszlo.sc.parser.ParseException: Syntax error:  
> the token "}" was not expected at this position at line 46, column 78.
>  at org.openlaszlo.sc.parser.Parser.generateParseException 
> (Parser.java:8045)
>  at org.openlaszlo.sc.parser.Parser.jj_consume_token(Parser.java:7923)
>  at org.openlaszlo.sc.parser.Parser.ArrayLiteral(Parser.java:649)
>  at org.openlaszlo.sc.parser.Parser.PrimaryExpression(Parser.java:333)
>  at org.openlaszlo.sc.parser.Parser.CallExpression(Parser.java:784)
>  at org.openlaszlo.sc.parser.Parser.LeftHandSideExpression 
> (Parser.java:972)
>  at org.openlaszlo.sc.parser.Parser.PostfixExpression(Parser.java: 
> 1039)
>  at org.openlaszlo.sc.parser.Parser.UnaryExpression(Parser.java:1148)
>  at org.openlaszlo.sc.parser.Parser.MultiplicativeExpression 
> (Parser.java:1230)
>  at org.openlaszlo.sc.parser.Parser.AdditiveExpression(Parser.java: 
> 1306)
>  at org.openlaszlo.sc.parser.Parser.ShiftExpression(Parser.java:1384)
>  at org.openlaszlo.sc.parser.Parser.RelationalExpression 
> (Parser.java:1481)
>  at org.openlaszlo.sc.parser.Parser.EqualityExpression(Parser.java: 
> 1558)
>  at org.openlaszlo.sc.parser.Parser.BitwiseANDExpression 
> (Parser.java:1624)
>  at org.openlaszlo.sc.parser.Parser.BitwiseXORExpression 
> (Parser.java:1687)
>  at org.openlaszlo.sc.parser.Parser.BitwiseORExpression(Parser.java: 
> 1750)
>  at org.openlaszlo.sc.parser.Parser.LogicalANDExpression 
> (Parser.java:1793)
>  at org.openlaszlo.sc.parser.Parser.LogicalORExpression(Parser.java: 
> 1836)
>  at org.openlaszlo.sc.parser.Parser.ConditionalExpression 
> (Parser.java:1879)
>  at org.openlaszlo.sc.parser.Parser.AssignmentExpression 
> (Parser.java:2008)
>  at org.openlaszlo.sc.parser.Parser.PropertyNameAndValue 
> (Parser.java:758)
>  at org.openlaszlo.sc.parser.Parser.ObjectLiteral(Parser.java:707)
>  at org.openlaszlo.sc.parser.Parser.PrimaryExpression(Parser.java:336)
>  at org.openlaszlo.sc.parser.Parser.CallExpression(Parser.java:784)
>  at org.openlaszlo.sc.parser.Parser.LeftHandSideExpression 
> (Parser.java:972)
>  at org.openlaszlo.sc.parser.Parser.PostfixExpression(Parser.java: 
> 1039)
>  at org.openlaszlo.sc.parser.Parser.UnaryExpression(Parser.java:1148)
>  at org.openlaszlo.sc.parser.Parser.MultiplicativeExpression 
> (Parser.java:1230)
>  at org.openlaszlo.sc.parser.Parser.AdditiveExpression(Parser.java: 
> 1306)
>  at org.openlaszlo.sc.parser.Parser.ShiftExpression(Parser.java:1384)
>  at org.openlaszlo.sc.parser.Parser.RelationalExpression 
> (Parser.java:1481)
>  at org.openlaszlo.sc.parser.Parser.EqualityExpression(Parser.java: 
> 1558)
>  at org.openlaszlo.sc.parser.Parser.BitwiseANDExpression 
> (Parser.java:1624)
>  at org.openlaszlo.sc.parser.Parser.BitwiseXORExpression 
> (Parser.java:1687)
>  at org.openlaszlo.sc.parser.Parser.BitwiseORExpression(Parser.java: 
> 1750)
>  at org.openlaszlo.sc.parser.Parser.LogicalANDExpression 
> (Parser.java:1793)
>  at org.openlaszlo.sc.parser.Parser.LogicalORExpression(Parser.java: 
> 1836)
>  at org.openlaszlo.sc.parser.Parser.ConditionalExpression 
> (Parser.java:1879)
>  at org.openlaszlo.sc.parser.Parser.AssignmentExpression 
> (Parser.java:2008)
>  at org.openlaszlo.sc.parser.Parser.AssignmentExpression 
> (Parser.java:2023)
>  at org.openlaszlo.sc.parser.Parser.Expression(Parser.java:2070)
>  at org.openlaszlo.sc.parser.Parser.ExpressionStatement(Parser.java: 
> 2579)
>  at org.openlaszlo.sc.parser.Parser.ToplevelStatement(Parser.java: 
> 2147)
>  at org.openlaszlo.sc.parser.Parser.Directive(Parser.java:4140)
>  at org.openlaszlo.sc.parser.Parser.Program(Parser.java:4051)
>  at org.openlaszlo.sc.Compiler$Parser.parse0(Compiler.java:468)
>  at org.openlaszlo.sc.Compiler$Parser.parse(Compiler.java:490)
>  at org.openlaszlo.sc.Compiler.compile(Compiler.java:341)
>  at org.openlaszlo.sc.ScriptCompiler._compileToByteArray 
> (ScriptCompiler.java:109)
>  at org.openlaszlo.sc.ScriptCompiler.compileToByteArray 
> (ScriptCompiler.java:194)
>  at org.openlaszlo.compiler.DHTMLWriter.close(DHTMLWriter.java:317)
>  ... 36 more
> Caused by:
> org.openlaszlo.sc.parser.ParseException: Syntax error: the token  
> "}" was not expected at this position at line 46, column 78.
>  at org.openlaszlo.sc.parser.Parser.generateParseException 
> (Parser.java:8045)
>  at org.openlaszlo.sc.parser.Parser.jj_consume_token(Parser.java:7923)
>  at org.openlaszlo.sc.parser.Parser.ArrayLiteral(Parser.java:649)
>  at org.openlaszlo.sc.parser.Parser.PrimaryExpression(Parser.java:333)
>  at org.openlaszlo.sc.parser.Parser.CallExpression(Parser.java:784)
>  at org.openlaszlo.sc.parser.Parser.LeftHandSideExpression 
> (Parser.java:972)
>  at org.openlaszlo.sc.parser.Parser.PostfixExpression(Parser.java: 
> 1039)
>  at org.openlaszlo.sc.parser.Parser.UnaryExpression(Parser.java:1148)
>  at org.openlaszlo.sc.parser.Parser.MultiplicativeExpression 
> (Parser.java:1230)
>  at org.openlaszlo.sc.parser.Parser.AdditiveExpression(Parser.java: 
> 1306)
>  at org.openlaszlo.sc.parser.Parser.ShiftExpression(Parser.java:1384)
>  at org.openlaszlo.sc.parser.Parser.RelationalExpression 
> (Parser.java:1481)
>  at org.openlaszlo.sc.parser.Parser.EqualityExpression(Parser.java: 
> 1558)
>  at org.openlaszlo.sc.parser.Parser.BitwiseANDExpression 
> (Parser.java:1624)
>  at org.openlaszlo.sc.parser.Parser.BitwiseXORExpression 
> (Parser.java:1687)
>  at org.openlaszlo.sc.parser.Parser.BitwiseORExpression(Parser.java: 
> 1750)
>  at org.openlaszlo.sc.parser.Parser.LogicalANDExpression 
> (Parser.java:1793)
>  at org.openlaszlo.sc.parser.Parser.LogicalORExpression(Parser.java: 
> 1836)
>  at org.openlaszlo.sc.parser.Parser.ConditionalExpression 
> (Parser.java:1879)
>  at org.openlaszlo.sc.parser.Parser.AssignmentExpression 
> (Parser.java:2008)
>  at org.openlaszlo.sc.parser.Parser.PropertyNameAndValue 
> (Parser.java:758)
>  at org.openlaszlo.sc.parser.Parser.ObjectLiteral(Parser.java:707)
>  at org.openlaszlo.sc.parser.Parser.PrimaryExpression(Parser.java:336)
>  at org.openlaszlo.sc.parser.Parser.CallExpression(Parser.java:784)
>  at org.openlaszlo.sc.parser.Parser.LeftHandSideExpression 
> (Parser.java:972)
>  at org.openlaszlo.sc.parser.Parser.PostfixExpression(Parser.java: 
> 1039)
>  at org.openlaszlo.sc.parser.Parser.UnaryExpression(Parser.java:1148)
>  at org.openlaszlo.sc.parser.Parser.MultiplicativeExpression 
> (Parser.java:1230)
>  at org.openlaszlo.sc.parser.Parser.AdditiveExpression(Parser.java: 
> 1306)
>  at org.openlaszlo.sc.parser.Parser.ShiftExpression(Parser.java:1384)
>  at org.openlaszlo.sc.parser.Parser.RelationalExpression 
> (Parser.java:1481)
>  at org.openlaszlo.sc.parser.Parser.EqualityExpression(Parser.java: 
> 1558)
>  at org.openlaszlo.sc.parser.Parser.BitwiseANDExpression 
> (Parser.java:1624)
>  at org.openlaszlo.sc.parser.Parser.BitwiseXORExpression 
> (Parser.java:1687)
>  at org.openlaszlo.sc.parser.Parser.BitwiseORExpression(Parser.java: 
> 1750)
>  at org.openlaszlo.sc.parser.Parser.LogicalANDExpression 
> (Parser.java:1793)
>  at org.openlaszlo.sc.parser.Parser.LogicalORExpression(Parser.java: 
> 1836)
>  at org.openlaszlo.sc.parser.Parser.ConditionalExpression 
> (Parser.java:1879)
>  at org.openlaszlo.sc.parser.Parser.AssignmentExpression 
> (Parser.java:2008)
>  at org.openlaszlo.sc.parser.Parser.AssignmentExpression 
> (Parser.java:2023)
>  at org.openlaszlo.sc.parser.Parser.Expression(Parser.java:2070)
>  at org.openlaszlo.sc.parser.Parser.ExpressionStatement(Parser.java: 
> 2579)
>  at org.openlaszlo.sc.parser.Parser.ToplevelStatement(Parser.java: 
> 2147)
>  at org.openlaszlo.sc.parser.Parser.Directive(Parser.java:4140)
>  at org.openlaszlo.sc.parser.Parser.Program(Parser.java:4051)
>  at org.openlaszlo.sc.Compiler$Parser.parse0(Compiler.java:468)
>  at org.openlaszlo.sc.Compiler$Parser.parse(Compiler.java:490)
>  at org.openlaszlo.sc.Compiler.compile(Compiler.java:341)
>  at org.openlaszlo.sc.ScriptCompiler._compileToByteArray 
> (ScriptCompiler.java:109)
>  at org.openlaszlo.sc.ScriptCompiler.compileToByteArray 
> (ScriptCompiler.java:194)
>  at org.openlaszlo.compiler.DHTMLWriter.close(DHTMLWriter.java:317)
>  at org.openlaszlo.compiler.Compiler.compile(Compiler.java:428)
>  at org.openlaszlo.compiler.Compiler.compile(Compiler.java:171)
>  at org.openlaszlo.cm.CompilationManager.compileItem 
> (CompilationManager.java:705)
>  at org.openlaszlo.cm.CompilationManager.getItem 
> (CompilationManager.java:442)
>  at org.openlaszlo.cm.CompilationManager.getLastModified 
> (CompilationManager.java:410)
>  at  
> org.openlaszlo.servlets.responders.ResponderCompile.getLastModified 
> (ResponderCompile.java:398)
>  at org.openlaszlo.servlets.responders.ResponderCompile.respondImpl 
> (ResponderCompile.java:178)
>  at org.openlaszlo.servlets.responders.Responder.respond 
> (Responder.java:265)
>  at org.openlaszlo.servlets.LZServlet._doGet(LZServlet.java:441)
>  at org.openlaszlo.servlets.LZServlet.doGet(LZServlet.java:355)
>  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 
> (ApplicationFilterChain.java:237)
>  at org.apache.catalina.core.ApplicationFilterChain.doFilter 
> (ApplicationFilterChain.java:157)
>  at org.apache.catalina.core.StandardWrapperValve.invoke 
> (StandardWrapperValve.java:214)
>  at org.apache.catalina.core.StandardValveContext.invokeNext 
> (StandardValveContext.java:104)
>  at org.apache.catalina.core.StandardPipeline.invoke 
> (StandardPipeline.java:520)
>  at org.apache.catalina.core.StandardContextValve.invokeInternal 
> (StandardContextValve.java:198)
>  at org.apache.catalina.core.StandardContextValve.invoke 
> (StandardContextValve.java:152)
>  at org.apache.catalina.core.StandardValveContext.invokeNext 
> (StandardValveContext.java:104)
>  at org.apache.catalina.core.StandardPipeline.invoke 
> (StandardPipeline.java:520)
>  at org.apache.catalina.core.StandardHostValve.invoke 
> (StandardHostValve.java:137)
>  at org.apache.catalina.core.StandardValveContext.invokeNext 
> (StandardValveContext.java:104)
>  at org.apache.catalina.valves.ErrorReportValve.invoke 
> (ErrorReportValve.java:117)
>  at org.apache.catalina.core.StandardValveContext.invokeNext 
> (StandardValveContext.java:102)
>  at org.apache.catalina.core.StandardPipeline.invoke 
> (StandardPipeline.java:520)
>  at org.apache.catalina.core.StandardEngineValve.invoke 
> (StandardEngineValve.java:109)
>  at org.apache.catalina.core.StandardValveContext.invokeNext 
> (StandardValveContext.java:104)
>  at org.apache.catalina.core.StandardPipeline.invoke 
> (StandardPipeline.java:520)
>  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:793)
>  at org.apache.coyote.http11.Http11Protocol 
> $Http11ConnectionHandler.processConnection(Http11Protocol.java:702)
>  at org.apache.tomcat.util.net.TcpWorkerThread.runIt 
> (PoolTcpEndpoint.java:571)
>  at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run 
> (ThreadPool.java:644)
>  at java.lang.Thread.run(Thread.java:595)
>
>
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