ROS java android: Not a v4.0.0 POM

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Hi, When I try to build android package on Ubuntu 10.0.4 with Electric.

android> hg log | head
changeset:   34:92c43d549bcd
tag:         tip
user:        Damon Kohler <damonkohler@google.com>
date:        Thu Sep 22 08:48:08 2011 +0200
summary:     Remove pan tilt example. This is essentially the same as the image transport or camera example.

android> rosmake android

I get this error:

maven-bug-workaround:
[artifact:pom] An error has occurred while processing the Maven artifact tasks.
[artifact:pom]  Diagnosis:
[artifact:pom]
[artifact:pom] Unable to initialize POM std_msgs-pom.xml: Not a v4.0.0 POM. for project unknown at /home/yienyien/.ros/rosjava/maven/std_msgs-pom.xml

Because this error is not raised every time, I thought it was a race condition, I try to put sleep after pom generation here:

rosjava_core/rosjava_bootstrap/src/main/python/rosjava_bootstrap/generate_msg.depends.py:154

but without sucess.

Thank you for your help