Are you trying to load one of your classes and are you sure the
class file is not corrupted?
Andre
Many thanks for the response. Yes, I am.
Furthermore, I have now solved the problem. There is a bug in Java 5
(<http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6320113>), whose
workaround is to disable the caching of applets. However, on the Mac,
this isn't straight forward to accomplish, at least if you're still
using Mac OS Tiger, since the Java Preferences utility appears to be
broken--click General > Settings... > View Applets... and uncheck
Enable Caching, and you'll see what I mean. Instead, you need to edit
your ~/Library/Caches/Java/deployment.properties file by hand, and
add the following entry:
deployment.javapi.cache.enabled=false
Then restart the browser, and the problem has gone away.
* * * Please could somebody check whether the Java Preferences
utility is broken on Leopard as well. * * *
Cheers,
Rob
On 29-Feb-08, at 08:37 , Rob Dickens wrote:
Hm.. also occurs on Solaris (jdk1.5.0_11).
On 28 Feb 2008, at 17:54, Rob Dickens wrote:
Dear java-devs,
Has anyone else seen this? The class in question is loaded using
a URLClassLoader (and is not in the class path).
java.lang.ClassFormatError: Truncated class file
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 java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
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 java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:242)
Am still on Mac OS 10.4.11 (Tiger), btw. Have just installed Java
5 Release 6, but that didn't fix it.
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