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From Lou_Mira...@bluecrossmn.com
Subject Re: Ant 1.6 API: Can't call War.addZipfileset() from JavaScript
Date Mon, 27 Jun 2005 18:28:57 GMT

Any ideas on this? It's preventing us from upgrading to Ant 1.6, which we 
need to do because of other dependencies. Am I doing something horribly 
wrong? Any workarounds come to mind?

Thanks.


Lou_Miranda@bluecrossmn.com wrote on 06/24/2005 10:50:16 AM:

> 
> More info:
> 
> It's interesting to note that the output from Ant 1.5.4 shows:
>    [script] 
> reportSet.toString=org.apache.tools.ant.types.ZipFileSet@18f1d7e
>    [script] warTask=org.apache.tools.ant.taskdefs.War@d9660d
> 
> ...whereas the output from Ant 1.6.2 shows:
>    [script] reportSet.toString=fileRealm.properties
>    [script] warTask=org.apache.tools.ant.UnknownElement@8ee016
> 
> Ant 1.5.4 seems to know what type the references are, whereas Ant 1.6.2 
> uses "UnknownElement". Is that the problem?
> 
> 
> When I run the build.xml from my previous message, the output from Ant 
> 1.5.4 is:
> 
> ****** BEGIN ANT 1.5.4 OUTPUT *********
> 
> Apache Ant version 1.5.4 compiled on August 12 2003
> Buildfile: build.xml
> Detected Java version: 1.4 in: C:\Program Files\Java\jdk142_06\jre
> Detected OS: Windows 2000
> parsing buildfile build.xml with URI = file:M:/.../___test/build.xml
> Project base dir set to: M:\...\___test
> Build sequence for target `buildWar' is [addWarDynamic, buildWar]
> Complete build sequence is [addWarDynamic, buildWar]
> 
> addWarDynamic:
> 
>    [script] reportSet.getName()=**/*.sh
>    [script] 
> reportSet.toString=org.apache.tools.ant.types.ZipFileSet@18f1d7e
>    [script] warTask=org.apache.tools.ant.taskdefs.War@d9660d
>    [script] warTask.getTaskName()=war
>    [script] about to addZipfileset()...
> 
> buildWar:
>    [delete] Deleting: M:\...\___test\deleteMe.war
>       [war] Building war: M:\...\___test\deleteMe.war
>       [war] adding directory META-INF/
>       [war] adding entry META-INF/MANIFEST.MF
>       [war] adding directory gfx/
>       [war] adding directory gfx/included/
>       [war] adding entry gfx/included/blank.gif
> ...
>       [war] adding directory WEB-INF/
>       [war] adding directory WEB-INF/classes/
>       [war] adding directory WEB-INF/classes/com/
> ...
>       [war] adding directory myStuff/
> ...
>       [war] adding entry WEB-INF/web.xml
> 
> BUILD SUCCESSFUL
> Total time: 3 seconds
> 
> ****** END ANT 1.5.4 OUTPUT *********
> 
> 
> ... and the output from 1.6.2 is:
> 
> 
> ****** BEGIN ANT 1.6.2 OUTPUT *********
> 
> Apache Ant version 1.6.2 compiled on July 16 2004
> Buildfile: build.xml
> Detected Java version: 1.4 in: C:\Program Files\Java\jdk142_06\jre
> Detected OS: Windows 2000
> parsing buildfile M:\...\___test\build.xml with URI = 
> file:///M:/.../___test/build.xml
> Project base dir set to: M:\...\___test
> Build sequence for target `buildWar' is [addWarDynamic, buildWar]
> Complete build sequence is [addWarDynamic, buildWar, ]
> 
> addWarDynamic:
>    [script]
>    [script] reportSet.getName()=**/*.sh
>    [script] reportSet.toString=fileRealm.properties
>    [script] warTask=org.apache.tools.ant.UnknownElement@8ee016
>    [script] warTask.getTaskName()=war
>    [script] about to addZipfileset()...
> 
> BUILD FAILED
> M:\...\___test\build.xml:20: TypeError: undefined is not a function.
>         at 
> org.apache.tools.ant.util.ScriptRunner.executeScript(ScriptRunner.jav
> a:139)
>         at 
> org.apache.tools.ant.taskdefs.optional.Script.execute(Script.java:60)
> 
>         at 
> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
>         at org.apache.tools.ant.Task.perform(Task.java:364)
>         at org.apache.tools.ant.Target.execute(Target.java:341)
>         at org.apache.tools.ant.Target.performTasks(Target.java:369)
>         at org.apache.tools.ant.Project.executeTarget(Project.java:1214)
>         at 
org.apache.tools.ant.Project.executeTargets(Project.java:1062)
>         at org.apache.tools.ant.Main.runBuild(Main.java:673)
>         at org.apache.tools.ant.Main.startAnt(Main.java:188)
>         at org.apache.tools.ant.launch.Launcher.run(Launcher.java:196)
>         at org.apache.tools.ant.launch.Launcher.main(Launcher.java:55)
> Caused by: TypeError: undefined is not a function.
>         at org.mozilla.javascript.NativeGlobal.constructError(Unknown 
> Source)
>         at org.mozilla.javascript.NativeGlobal.constructError(Unknown 
> Source)
>         at org.mozilla.javascript.NativeGlobal.typeError1(Unknown 
Source)
>         at org.mozilla.javascript.ScriptRuntime.call(Unknown Source)
>         at org.mozilla.javascript.gen.c1.call(Unknown Source)
>         at org.mozilla.javascript.gen.c1.exec(Unknown Source)
>         at org.mozilla.javascript.Context.evaluateReader(Unknown Source)
>         at org.mozilla.javascript.Context.evaluateString(Unknown Source)
>         at 
org.apache.bsf.engines.javascript.JavaScriptEngine.eval(Unknown 
> Sourc
> e)
>         at org.apache.bsf.util.BSFEngineImpl.exec(Unknown Source)
>         at org.apache.bsf.BSFManager$6.run(Unknown Source)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at org.apache.bsf.BSFManager.exec(Unknown Source)
>         at 
> org.apache.tools.ant.util.ScriptRunner.executeScript(ScriptRunner.jav
> a:128)
>         ... 11 more
> --- Nested Exception ---
> TypeError: undefined is not a function.
>         at org.mozilla.javascript.NativeGlobal.constructError(Unknown 
> Source)
>         at org.mozilla.javascript.NativeGlobal.constructError(Unknown 
> Source)
>         at org.mozilla.javascript.NativeGlobal.typeError1(Unknown 
Source)
>         at org.mozilla.javascript.ScriptRuntime.call(Unknown Source)
>         at org.mozilla.javascript.gen.c1.call(Unknown Source)
>         at org.mozilla.javascript.gen.c1.exec(Unknown Source)
>         at org.mozilla.javascript.Context.evaluateReader(Unknown Source)
>         at org.mozilla.javascript.Context.evaluateString(Unknown Source)
>         at 
org.apache.bsf.engines.javascript.JavaScriptEngine.eval(Unknown 
> Sourc
> e)
>         at org.apache.bsf.util.BSFEngineImpl.exec(Unknown Source)
>         at org.apache.bsf.BSFManager$6.run(Unknown Source)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at org.apache.bsf.BSFManager.exec(Unknown Source)
>         at 
> org.apache.tools.ant.util.ScriptRunner.executeScript(ScriptRunner.jav
> a:128)
>         at 
> org.apache.tools.ant.taskdefs.optional.Script.execute(Script.java:60)
> 
>         at 
> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
>         at org.apache.tools.ant.Task.perform(Task.java:364)
>         at org.apache.tools.ant.Target.execute(Target.java:341)
>         at org.apache.tools.ant.Target.performTasks(Target.java:369)
>         at org.apache.tools.ant.Project.executeTarget(Project.java:1214)
>         at 
org.apache.tools.ant.Project.executeTargets(Project.java:1062)
>         at org.apache.tools.ant.Main.runBuild(Main.java:673)
>         at org.apache.tools.ant.Main.startAnt(Main.java:188)
>         at org.apache.tools.ant.launch.Launcher.run(Launcher.java:196)
>         at org.apache.tools.ant.launch.Launcher.main(Launcher.java:55)
> 
> Total time: 3 seconds
> 
> ****** END ANT 1.6.2 OUTPUT *********
> 
> Lou_Miranda@bluecrossmn.com wrote on 06/23/2005 01:56:55 PM:
> 
> > 
> > I have an Ant 1.5.4 build script that doesn't work in Ant 1.6 (Ant 
1.6.2 
> 
> > or 1.6.5). It has some embedded JavaScript that is calling the Ant API 

> to 
> > add a ZipFileSet to the War task.
> > 
> > What we're trying to do is dynamically add directories to the War task 

> at 
> > runtime. We decided to use JavaScript to calculate which directories 
> need 
> > to be added, and then modify the War task via JavaScript before the 
War 
> > task is run. Using the Ant API worked straightforward for us in Ant 
> 1.5.4.
> > 
> > Below is an example build.xml file that shows what we are doing. I 
took 
> > out the logic that dynamically builds the directories to include, in 
> order 
> > to keep the example simple and straightforward. (Obviously, I wouldn't 

> use 
> > JavaScript to add a static, known path to the War task.)
> > 
> > If I add the appropriate BSF and Rhino libraries to Ant 1.5.4 and Ant 
> > 1.6.2 and run this exact same build file, it works fine in Ant 1.5.4 
but 
> 
> > throws an exception in Ant 1.6.2. The exception starts out like this:
> > 
> >        build.xml:20: Type Error: undefined is not a function.
> > 
> > Pretty vague error message!
> > 
> > With some testing, I determined that I can't call a number of War task 

> > methods from JavaScript in Ant 1.6.2. These include addZipfileset(), 
> > addLib(), and addClasses(). Not sure if I'm doing something wrong, or 
if 
> 
> > something changed in Ant 1.6. Any ideas? Thanks!
> > 
> > The build.xml file below has 2 tasks: buildWar and addWarDynamic. 
> > Basically we use JavaScript in addWarDynamic to modify the War task in 

> > buildWar before it's run. As I said, this works fine in Ant 1.5.4, but 

> > throws that vague exception in Ant 1.6.2.
> > 
> > Example build.xml file:
> > 
> > 
> > <project name="SelfServiceReporting" default="buildWar" basedir=".">
> > 
> >         <!-- 

> 
> ================================================================= -->
> >         <!-- make WAR file     -->
> >         <!-- 

> 
> ================================================================= -->
> >         <target name="buildWar" depends="addWarDynamic" >
> >         <delete file="deleteMe.war"/>
> >         <!-- build a .war file for the application -->
> >                 <war destfile="deleteMe.war" webxml="junk-web.xml" 
> update=
> > "false">
> >                         <zipfileset dir="images" prefix="gfx/included" 
>
> >                                 <patternset>
> >                                         <include name="**/*" />
> >                                 </patternset>
> >                         </zipfileset>
> >                         <classes dir="classes" />
> >                 </war>
> >         </target>
> > 
> >         <target name="addWarDynamic">
> >                 <script language="javascript">
> >                         <![CDATA[
> >         // get ahold of the "war" task in the "buildWar" target
> >         var buildWarTasks = buildWar.getTasks();
> >         var warTask = null; 
> >         for (var i = 0; i < buildWarTasks.length; ++i) {
> >             var aTask = buildWarTasks[i];
> >             if (aTask.getTaskName() == "war") {
> >                 warTask = aTask;
> >                 break;
> >             }
> >         }
> > 
> >         // create a ZipFileSet to hold just the reports we've 
specified
> >         var reportSet = new 
> > Packages.org.apache.tools.ant.types.ZipFileSet();
> >         var srcRoot = new java.io.File("includeTest");
> >         reportSet.setDir(srcRoot);
> >         reportSet.setPrefix("myStuff");
> >         reportSet.setIncludes("*");
> >         // exclude certain files
> >         var xxx = reportSet.createExclude();
> >         xxx.setName("**/*.sh");
> > 
> >         // due to a bug in Ant 1.6.x, we have to set the project 
> > explicitly,
> >         // otherwise we get a null pointer exception in 
> > ZipFileSet.toString()
> >         reportSet.setProject(project) 
> >         java.lang.System.out.println("\nreportSet.getName()=" + 
> > xxx.getName()); 
> >         java.lang.System.out.println("reportSet.toString=" + 
> > reportSet.toString()); 
> >         java.lang.System.out.println("warTask=" + warTask.toString()); 

> >         java.lang.System.out.println("warTask.getTaskName()=" + 
> > warTask.getTaskName()); 
> >         java.lang.System.out.println("about to addZipfileset()..."); 
> >         warTask.addZipfileset(reportSet);
> >     ]]> </script>
> >         </target>
> > 
> > </project>
> > 
> > 
> > 
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