The objects added in TaskContainer.addTask(Task task) have changed from Tasks to UnknownElements.
There was a number of valid reasons for this change.
Your container class will need to check if the Task is an UnknownElement and call perform on it to convert it to a Task and to execute it. (see apache.tools.ant.taskdefs.Sequential)
If you want to do more processing on the task, you need to use the techniques in apache.tools.ant.taskdefs.Antlib#execute() This does make use of one 1.6 method call (UE#getRealObject()), you need to use UE#getTask() instread - this will return null for non tasks (types like fileset id=x).
So.. interate over the tasks, if they are UEs, convert them to tasks, using UE#maybeConfigure and UE#getTask()
This approach should work for ant1.5 and ant1.6.
Peter
Wascally Wabbit wrote:
Ant Developers,
I just did a quick Ant 1.5.4 -> 1.6.1 library switch. Ran our own Ant task test suites and got lots of fireworks mostly caused by the "mysterious" mapping of many of our task objects to the "UnknownElement". Needless to say our task containers do not recognize unknown elements and promptly die.
Upgrading is my job for tomorrow. Sooo I'm wondering if there's an easy explanation for this or...I'm looking at hours of crawling through the Ant 1.6.1 source x-|
Any pointers would be greatly appreciated. I've not seen anything on the Ant 1.6 developers list about this (i don't think).
Here's a typical stack trace (FYI). The task to be added is an unknownElement eventhough the XML seez it's one of my taskdefs.
Thread [main] (Suspended (breakpoint at line 393 in SwitchTask))
SwitchTask.includeTask(Task) line: 393 <<-- incoming UnknownElement
SwitchTask(TaskSet).addTask(Task) line: 183
SwitchTask.addTask(Task) line: 423
UnknownElement.handleChildren(Object, RuntimeConfigurable) line: 329
UnknownElement.configure(Object) line: 176
UnknownElement.maybeConfigure() line: 152
UnknownElement(Task).perform() line: 363
Target.execute() line: 301
Target.performTasks() line: 328
Project.executeTarget(String) line: 1215
SwitchTaskTest(BuildFileTest).executeTarget(String) line: 232
SwitchTaskTest(HTC).runTarget(String) line: 956
SwitchTaskTest.testDefaultAlwaysMatches() line: 153
Method.invoke(Object, Object[]) line: not available [native method]
SwitchTaskTest(TestCase).runTest() line: 154
SwitchTaskTest(HTC).runBare() line: 398
TestResult$1.protect() line: 106
TestResult.runProtected(Test, Protectable) line: 124
TestResult.run(TestCase) line: 109
SwitchTaskTest(TestCase).run(TestResult) line: 118
RemoteTestRunner.runTests(String[], String) line: 392
RemoteTestRunner.run() line: 276
RemoteTestRunner.main(String[]) line: 167
The Wabbit
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