JBoss 4.0.4
When it starts, I receive this error....
what do I have to do to avoid it ??
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ERROR [TomcatDeployer] Failed to setup clustering, clustering disabled. Exception:
java.lang.NoClassDefFoundError: org/jboss/aspects/patterns/observable/Observer
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at org.jboss.mx.loading.RepositoryClassLoader.findClassLocally(RepositoryClassLoader.java:65
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