Java EE (Java Enterprise Edition) General Discussion

I am trying to make the web service using the jwsdp1.5 and the Tomcat50-jwsdp
I am facing the problems when the i use the command ant build it gives me the following error...

Buildfile: build.xml

BUILD FAILED
C:\Sun\jwsdp-1.5\jaxrpc\samples\HelloWS\common\targets.xml:32: taskdef class org.apache.catalina.ant.DeployTask cannot be found

I dont know what is the problem with it ..Even if i try to run the Sun's given example of HelloWorl then also it gives me error like this....

C:\Sun\jwsdp-1.5\jaxrpc\samples\HelloWorld>ant build
Buildfile: build.xml

init:
[echo] -------- HelloWorld Sample --------

prepare:

generate-server:

edit-config:

unedit-config:

compile-server:
[javac] Compiling 1 source file to C:\Sun\jwsdp-1.5\jaxrpc\build\samples\HelloWorld\classes\server

create-war:
[war] Building war: C:\Sun\jwsdp-1.5\jaxrpc\build\samples\HelloWorld\jaxrpc-HelloWorld-raw.war
[delete] Deleting directory C:\Sun\jwsdp-1.5\jaxrpc\build\samples\HelloWorld\classes\server

build-war:
[echo] -------- HelloWorld --------
[wsdeploy] command line: -keep -o C:\Sun\jwsdp-1.5\jaxrpc\build\samples\HelloWorld\jaxrpc-HelloWorld.war -verbose C:\Sun\jwsdp-1.5
C:\Sun\jwsdp-1.5\jwsdp-shared\lib\mail.jar;C:\Sun\jwsdp-1.5\jwsdp-shared\lib\activation.jar;C:\Sun\jwsdp-1.5\jaxp\lib\jaxp-api.jar
\endorsed\sax.jar;C:\Sun\jwsdp-1.5\jaxp\lib\endorsed\xalan.jar;C:\Sun\jwsdp-1.5\jaxp\lib\endorsed\xercesImpl.jar;C:\Sun\jwsdp-1.5\j
:\Sun\jwsdp-1.5\jaxrpc\lib\jaxrpc-impl.jar;C:\Sun\jwsdp-1.5\saaj\lib\saaj-api.jar;C:\Sun\jwsdp-1.5\saaj\lib\saaj-impl.jar;C:\Sun\jw
hared\lib\xsdlib.jar;C:\Sun\jwsdp-1.5\jwsdp-shared\lib\jax-qname.jar;C:\Sun\jwsdp-1.5\apache-ant\lib\ant.jar
[wsdeploy] info: created temporary directory: C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\jaxrpc-deploy-e2c637

[wsdeploy] [CustomClassGenerator: Class hello.HelloIF_echoValueType_RequestStruct exists. Not overriding.]
[wsdeploy] [CustomClassGenerator: Class hello.ValueType exists. Not overriding.]
[wsdeploy] [CustomClassGenerator: Class hello.HelloIF_echoValueType_ResponseStruct exists. Not overriding.]
[wsdeploy] [CustomClassGenerator: Class hello.HelloIF_sayHelloBack_RequestStruct exists. Not overriding.]
[wsdeploy] [CustomClassGenerator: Class hello.HelloIF_sayHelloBack_ResponseStruct exists. Not overriding.]
[wsdeploy] [SOAPObjectSerializerGenerator: writing serializer/deserializer for: {http://hello.org/wsdl}echoValueType]
[wsdeploy] [SOAPObjectSerializerGenerator: writing serializer/deserializer for: {http://hello.org/types}ValueType]
[wsdeploy] [SOAPObjectSerializerGenerator: writing serializer/deserializer for: {http://hello.org/wsdl}echoValueTypeResponse]
[wsdeploy] [SOAPObjectSerializerGenerator: writing serializer/deserializer for: {http://hello.org/wsdl}sayHelloBack]
[wsdeploy] [SOAPObjectSerializerGenerator: writing serializer/deserializer for: {http://hello.org/wsdl}sayHelloBackResponse]
[wsdeploy] [SOAPObjectBuilderGenerator: writing object builder for: echoValueType]
[wsdeploy] [SOAPObjectBuilderGenerator: writing object builder for: ValueType]
[wsdeploy] [SOAPObjectBuilderGenerator: writing object builder for: echoValueTypeResponse]
[wsdeploy] [SOAPObjectBuilderGenerator: writing object builder for: sayHelloBack]
[wsdeploy] [SOAPObjectBuilderGenerator: writing object builder for: sayHelloBackResponse]
[wsdeploy] [SerializerRegistryGenerator: creating serializer registry: hello.HelloWorldService_SerializerRegistry]

BUILD FAILED
java.lang.NoClassDefFoundError: javax.activation.DataHandler

Please if anyone has the solution please let me know................