<span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:14px;background-color:rgb(255,255,255)">Hello,</span><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:14px;background-color:rgb(255,255,255)">
      I have downloaded the code ,and my OS is winXP. I can run the project in Eclipse successfully. But when i use the "ant run" in command line,or use the jar which packaged through the ant instruction,  the errors will occur as follows:</div>
<div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:14px;background-color:rgb(255,255,255)"><br></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:14px;background-color:rgb(255,255,255)">
============================</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:14px;background-color:rgb(255,255,255)">           [run] RunClasspath:kepler-tasks F:\Scientific_Workflow\KeplerWorkflow\Kepl<div>
ct\kepler-tasks\src</div><div>      [run] RunClasspath:ptolemy F:\Scientific_Workflow\KeplerWorkflow\KeplerPro</div><div>olemy\src</div><div>      [run] Set environment variable: PATH = D:\Ruby187\bin;D:\WINDOWS\system32;</div>
<div>OWS;D:\WINDOWS\System32\Wbem;D:\Program Files\TortoiseSVN\bin;D:\Program Files\C</div><div>iles\Thunder Network\KanKan\Codecs;D:\Java\jdk1.6.0_25\bin;D:\Java\jdk1.6.0_25\j</div><div>F:\tool4work\apache-tomcat-6.0.29\bin;F:\tool4work\apache-ant-1.8.0\bin;F:\apach</div>
<div>-3.0.3-bin\apache-maven-3.0.3\bin;F:\MySql\bin;F:\tool4work\Apache-Subversion-1.</div><div>;D:\Java\jdk1.6.0_25\lib\tools.jar;D:\R\R-2.15.2\bin;F:\Scientific_Workflow\Kepl</div><div>low\KeplerProject\r\lib;F:\Scientific_Workflow\KeplerWorkflow\KeplerProject\comm</div>
<div>F:\Scientific_Workflow\KeplerWorkflow\KeplerProject\common\lib\ptolemy\matlab</div><div>      [run] java.lang.NoClassDefFoundError: and</div><div>      [run] Caused by: java.lang.ClassNotFoundException: and</div><div>
      [run]     at java.net.URLClassLoader$1.run(URLClassLoader.java:202)</div><div>      [run]     at java.security.AccessController.doPrivileged(Native Method)</div><div>      [run]     at java.net.URLClassLoader.findClass(URLClassLoader.java:190)</div>
<div>      [run]     at java.lang.ClassLoader.loadClass(ClassLoader.java:306)</div><div>      [run]     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)</div><div>      [run]     at java.lang.ClassLoader.loadClass(ClassLoader.java:247)</div>
<div>      [run] Could not find the main class: and.  Program will exit.</div><div>      [run] Exception in thread "main"</div><div><br></div><div>BUILD FAILED</div><div>F:\Scientific_Workflow\KeplerWorkflow\KeplerProject\build-area\build.xml:52: F:\</div>
<div>fic_Workflow\KeplerWorkflow\KeplerProject\build-area\build.xml:52: Java returned</div><div><br></div><div><br></div><div>    What's the matter with it?Please tell me how to solve it .Thank you very much.</div><div>
<br></div><div><br></div><div>------Joy</div></div>