Re: xcode, javac, and 101 errors

On Jul 30, 2009, at 9:43 AM, Ray Sanders wrote:

> Hello all,
>
> I have a rather large (to me) java project that I've been working on
> for a few years. Lately, the xcode java environment is generating
> spurious errors which are not real. Whatever is causing the problem,
> it can be reset by doing a Clean/Build. After I do that, I get 1 - 10
> normal builds, before the problem reappears, and I have to revert to
> Clean/Build.
>
> target of build is a java application
>
> environment:
> Version 3.1.2 (Xcode IDE: 1149.0, Xcode Core: 1148.0, ToolSupport:  
> 1102.0)
> Mac OS X 10.5.6
> MacBook 2.4 C2D, 4GB ram, ~90 GB free HD space, no VMware/BootCamp,
> lots of free ram.
>
> project:
> ~200 physical project files (.java and .properties)
> ~500 class definitions
> ~58k lines of java code
>
> This problem has only occurred in the last month or so, and seems to
> be getting more frequent (not to mention frustrating). The spurious
> errors are all (AFAICT) "Cannot find symbol".
>
> Anyone have any ideas or thoughts on how to resolve this ?

We've had similar problems using Jam Xcode targets in the past with  
compilations that bring in more that 100 .java files.

Unfortunately, the only exhaustive solution is to reconstruct the  
project file using Ant-backed external Xcode targets. I've also had  
good success hauling a project's source files into a Java IDE like  
Eclipse, and having it generate a build.xml file which I hand tweak  
later so Xcode can kick it off.

Best of luck,
Mike Swingler
Java Runtime Engineer
Apple Inc.
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