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From "Jon Sharp (JIRA)" <>
Subject [jira] Commented: (CXF-1798) DynamicClientFactory does not work when called through Ant
Date Fri, 31 Oct 2008 14:15:44 GMT


Jon Sharp commented on CXF-1798:

Well, I can add that this behavior doesn't seem to be limited to Ant.

As for what to do with the code, I'm afraid I'm not very familiar with the DynamicClient code,
but I can dig into it a little.  Have we tried Peter's suggestions yet?  He seems to have
an educated idea regarding the issue.

> DynamicClientFactory does not work when called through Ant
> ----------------------------------------------------------
>                 Key: CXF-1798
>                 URL:
>             Project: CXF
>          Issue Type: Bug
>    Affects Versions: 2.0.5
>         Environment: I am using Groovy 1.5.6 with GroovyWS 0.3.1 on Windows XP. I am
calling Groovy via Ant 1.7.0.
>            Reporter: Peter Connolly
>            Priority: Minor
>         Attachments: build.xml,, output.log
> I've created GroovyWS code to talk to a web service.  GroovyWS uses ApacheCXF 2.0.5 to
dynamically create classes for the web services objects.  When this code is run via a batch
script, it runs correctly.  When this code is run via Ant, I get this error:
>      [java]  javac: invalid flag: C:/DOCUME~1/PCONNO~1/LOCALS~1/Temp/org.apache.
> cxf.endpoint.dynamic.DynamicClientFactory@1b67d6a-1219416496084-classes
> I think there are a couple of defects in the class DynamicClientFactory.  First, in the
compileJavaSrc method, the call to javac is constructed without checking if the classpath
is populated.  The code could be modified to conditionally append the classpath similar to
> static boolean compileJavaSrc(Path classPath, Path srcPath, String dest) {
>         String[] srcList = srcPath.list();
>         List<String> javacCommand = new ArrayList<String>();
>         javacCommand.add("javac");
>         if(classPath != null && classPath.size() > 0){
>             javacCommand.add("-classpath");
>             javacCommand.add(classPath.toString());
>         }
>         javacCommand.add("-d");
>         javacCommand.add(dest.toString());
>         javacCommand.add("-target");
>         javacCommand.add("1.5");
>         for (int i = 0; i < srcList.length; i++) {
>             javacCommand.add(srcList[i]);
>         }
> javaCompiler
>             = new;
>         return javaCompiler.internalCompile(javacCommand.toArray(new String[javacCommand.size()]),
>     } 
> The next issue with DynamicClientFactory is the setupClasspath method.  This method explicitly
tests if the ClassLoader inherits from URLClassLoader and then appends the URLs from that
URLClassloader to its own classpath.  The AntClassLoader, unfortunately, does not extend from
the URLClassLoader.  When the classpath is constructed it is empty.  If the compileJavaSrc
method is fixed as above many calls will still fail because there is a dependency on classes
that are not present during compilation (i.e. GroovyWS classes).   

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