On Solaris 2.8 with Ant 1.4alpha I have suddenly
started to get the following:

			

			Buildfile: build.xml
			

			

			BUILD FAILED
			

			

			java.lang.SecurityException: sealing violation
			

			at java.net.URLClassLoader.defineClass(URLClassLoader.java:234)
			

			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:297)
			

			at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)
			

			at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
			

			at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)
			

			at java.lang.Class.forName0(Native Method)
			

			at java.lang.Class.forName(Class.java:120)
			

			at org.apache.tools.ant.Project.init(Project.java:166)
			

			at org.apache.tools.ant.Main.runBuild(Main.java:387)
			

			at org.apache.tools.ant.Main.main(Main.java:149)
			

			

			Total time: 0 seconds
			

			sealing violation