probleme d'execution du midlet sous netbean

Salut,
je suis étudiant et débutant en J2ME et je développe une application de gestion de relevé de notes sous netbeans mais après la compilation de mes deux servlets et le midlet et je voulais exécuter le midlet voila le message qui m'affiche:

pre-init:
pre-load-properties:
exists.config.active:
exists.netbeans.user:
exists.user.properties.file:
load-properties:
exists.platform.active:
exists.platform.configuration:
exists.platform.profile:
basic-init:
cldc-pre-init:
cldc-init:
cdc-init:
ricoh-pre-init:
ricoh-init:
semc-pre-init:
semc-init:
savaje-pre-init:
savaje-init:
sjmc-pre-init:
sjmc-init:
cdc-hi-pre-init:
cdc-hi-init:
nokiaS80-pre-init:
nokiaS80-init:
nsicom-pre-init:
nsicom-init:
post-init:
init:
conditional-clean-init:
conditional-clean:
deps-jar:
pre-preprocess:
do-preprocess:
Pre-processing 0 file(s) into C:\Documents and Settings\USER\Mes documents\NetBeansProjects\joe2\build\preprocessed directory.
post-preprocess:
preprocess:
pre-compile:
extract-libs:
Expanding: C:\kxml2-min-2.3.0.jar into C:\Documents and Settings\USER\Mes documents\NetBeansProjects\joe2\build\compiled
Expanding: C:\mysql-connector-java-5.1.7-bin.jar into C:\Documents and Settings\USER\Mes documents\NetBeansProjects\joe2\build\compiled
do-compile:
post-compile:
compile:
pre-obfuscate:
proguard-init:
skip-obfuscation:
proguard:
post-obfuscate:
obfuscate:
lwuit-build:
pre-preverify:
do-preverify:
post-preverify:
preverify:
pre-jar:
set-password-init:
set-keystore-password:
set-alias-password:
set-password:
create-jad:
add-configuration:
add-profile:
do-extra-libs:
nokiaS80-prepare-j9:
nokiaS80-prepare-manifest:
nokiaS80-prepare-manifest-no-icon:
nokiaS80-create-manifest:
jad-jsr211-properties.check:
jad-jsr211-properties:
semc-build-j9:
do-jar:
nsicom-create-manifest:
do-jar-no-manifest:
update-jad:
Updating application descriptor: C:\Documents and Settings\USER\Mes documents\NetBeansProjects\joe2\dist\joe2.jad
Generated "C:\Documents and Settings\USER\Mes documents\NetBeansProjects\joe2\dist\joe2.jar" is 26471 bytes.
ricoh-init-dalp:
ricoh-add-app-icon:
ricoh-build-dalp-with-icon:
ricoh-build-dalp-without-icon:
ricoh-build-dalp:
savaje-prepare-icon:
savaje-build-jnlp:
post-jar:
jar:
pre-run:
netmon.check:
open-netmon:
cldc-run:
Copying 1 file to C:\Documents and Settings\USER\Mes documents\NetBeansProjects\joe2\dist\nbrun3407755099147004838
Copying 1 file to C:\Documents and Settings\USER\Mes documents\NetBeansProjects\joe2\dist\nbrun3407755099147004838
Jad URL for OTA execution: http://localhost:8082/servlet/org.ne...dist//joe2.jad
Starting emulator in execution mode
Installing suite from: http://127.0.0.1:1217/joe2.jad
[WARN] [rms ] javacall_file_open: _wopen failed for: C:\Documents and Settings\USER\javame-sdk\3.0\work\0\appdb\_delete_notify.dat

*** Error ***
A problem occured during deploying application from http://127.0.0.1:1217/joe2.jad
Reason:
Corrupt JAR, error while reading: Notes.class
C:\Documents and Settings\USER\Mes documents\NetBeansProjects\joe2\nbproject\build-impl.xml:889: Execution failed with error code 1.
BUILD FAILED (total time: 5 seconds)
je demande votre apport afin de décanter:P ce problème.