java - Eclipse not compiling because of ClassNotFoundException -
after following an aws tutorial eclipse, code no longer compiles , runs. decided undo tutorial told me, may have changed settings forgot unchanged cannot find root of problem. eclipse seems default settings still can't run simple class. error:
exception in thread "main" java.lang.noclassdeffounderror: /users/myname/aspectj1/6/lib/aspectjrt/jar caused by: java.lang.classnotfoundexception: .users.myname.aspectj1.6.lib.aspectjrt.jar @ java.net.urlclassloader$1.run(urlclassloader.java:202) @ java.security.accesscontroller.doprivileged(native method) @ java.net.urlclassloader.findclass(urlclassloader.java:190) @ java.lang.classloader.loadclass(classloader.java:306) @ sun.misc.launcher$appclassloader.loadclass(launcher.java:301) @ java.lang.classloader.loadclass(classloader.java:247)
it seems eclipse doesn't found library of aspectj
. try download again from:
https://eclipse.org/aspectj/downloads.php
by stack trace suppose version of aspectj
looking it's 1.6
suppose have search package in puts aspectj-1.6.0.jar
in webpage put above.
edit: @ these lines in tutorial put above:
certain aws flow framework java annotations such @asynchronous require aspectj. don't need use aspectj directly, must enable either load-time weaving or compile-time weaving.
it seems necesary aws correct performance think have download libraries of aspectj
again.
i expect solve problem!
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