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最新更新日時: 2011年02月19日 18時22分
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| You Never Know: java.lang.ClassNotFoundException: org.apache.tools.ant.Main |
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http://jojovedder.blogspot.com/2009/03/javalangclassnotfoundexception.html This error should not be occuring when you install Ant out-of-the-box and run it. However, on the rare occasions it does occur - the solution is quite simple. java.lang.ClassNotFoundException: org.apache.tools.ant.Main at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at org.apache.tools.ant.launch.Launcher.run(Launcher.java:244) at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67) Take a look at the ANT_HOME/lib folder - and ensure that the ant.jar is in there and showing a size of 1MB or higher. It is usually due to a corrupted version of ant.jar in the above path. |
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