运行自定义代码时出现eclipse错误

Question

While adding custom jar files in the project and executing some java code I am getting this error any idea how to solve this .There is no error in code ,it was running smoothly before this happen.

Exception in thread "main" java.lang.NoClassDefFoundError: org/aspectj/lang/Signature 
at com.util.DfExSession.connectToDocbase(DfExSession.java:18)## Heading ##
at com.console.TestConsole.main(TestConsole.java:17)
Caused by: java.lang.ClassNotFoundException: org.aspectj.lang.Signature
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 2 more

Answer 1

Look's like the aspectjrt.jar is missing in your classptah. Download & add it to your classpath.