hi,
I've been trying to get ant to run the RMI sample code (computing PI from
Javasoft) and I can make it work from command line but not ant.
Basically, if I type :
java -cp . engine.ComputeEngine
it works and if I put together an ant script to do the same thing:
<project name="Cl" default="xtest" basedir=".">
<target name="xtest" description="Runx tests">
<java classname="engine.ComputeEngine" classpath="." />
</target>
</project>
it dies with this error:
BUILD FAILED
C:\cygwin\home\Administrator\rmi\build.xml:8:
java.lang.NoClassDefFoundError:
sun/reflect/SerializationConstructorAccessorImpl
at
org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:132)
at org.apache.tools.ant.taskdefs.Java.run(Java.java:305)
at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:127)
at org.apache.tools.ant.taskdefs.Java.execute(Java.java:88)
at org.apache.tools.ant.Task.perform(Task.java:217)
at org.apache.tools.ant.Target.execute(Target.java:184)
at org.apache.tools.ant.Target.performTasks(Target.java:202)
at org.apache.tools.ant.Project.executeTarget(Project.java:601)
at org.apache.tools.ant.Project.executeTargets(Project.java:560)
at org.apache.tools.ant.Main.runBuild(Main.java:454)
at org.apache.tools.ant.Main.start(Main.java:153)
at org.apache.tools.ant.Main.main(Main.java:176)
--- Nested Exception ---
java.lang.NoClassDefFoundError:
sun/reflect/SerializationConstructorAccessorImpl
at sun.misc.Unsafe.defineClass(Native Method)
at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:45)
at
sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:381)
...
Any ideas? Is this a known bug in ant?
Please also reply by email.
Thanks,
--------------
-Larry
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