I've started getting this exception after recompiling my bean code.
It comes from org.jboss.seam.deployment.ComponentScanner.handleItem
followed by few classloader method calls on stack tace
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 java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at org.jboss.seam.deployment.ComponentScanner.handleItem(ComponentScanner.java:59)
at org.jboss.seam.deployment.Scanner.handleDirectory(Scanner.java:156)
at org.jboss.seam.deployment.Scanner.handleDirectory(Scanner.java:152)
at org.jboss.seam.deployment.Scanner.handleDirectory(Scanner.java:152)
at org.jboss.seam.deployment.Scanner.handleDirectory(Scanner.java:152)
at org.jboss.seam.deployment.Scanner.handleDirectory(Scanner.java:152)
at org.jboss.seam.deployment.Scanner.handleDirectory(Scanner.java:152)
at org.jboss.seam.deployment.Scanner.handleDirectory(Scanner.java:152)
at org.jboss.seam.deployment.Scanner.scan(Scanner.java:114)
at org.jboss.seam.deployment.ComponentScanner.getClasses(ComponentScanner.java:39)
at org.jboss.seam.init.Initialization.scanForHotDeployableComponents(Initialization.java:573)
at org.jboss.seam.init.Initialization.init(Initialization.java:489)