Soonhac, <br>Can you please provide more information about what versions of things you are running? For both this and your other question.  <br><br>Tully<br><br><div class="gmail_quote">On Tue, Apr 6, 2010 at 12:37 PM,  <span dir="ltr">&lt;<a href="mailto:sh2723@columbia.edu" target="_blank">sh2723@columbia.edu</a>&gt;</span> wrote:<br>


<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi,<br>
<br>
When I tried to compile image_transport, I encountered the error below.<br>
<br>
<br>
/home/joseph/ros/pkgs/image_common/image_transport/include/image_transport/simple_subscriber_plugin.h:41: error: ?class ros::Subscriber? has no member named<br>
?getNumPublishers?<br>
<br>
Is there any comment to fix it?<br>
<br>
Best,<br>
Soonhac<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Tully Foote<br>Systems Engineer<br>Willow Garage, Inc.<br><a href="mailto:tfoote@willowgarage.com" target="_blank">tfoote@willowgarage.com</a><br>(650) 475-2827<br>