R
Richard Bell
I've just downloaded NetBeans and am encountering errors when I try to
compile and execute classes that compiled and executed properly under
the SDK (1.4.2). In NetBeans I get a series of errors something like
this:
java.lang.NoClassDefFoundError: LearnJava/VolcanoRobot/VolcanoRobot
(wrong name: VolcanoRobot)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at
java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at
java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
Exception in thread "main"
If I put the statement
package LearnJava.VolcanoRobot;
at the top of the file, all is well with NetBeans. Unfortunately then
the SDK java command gives lots of errors, like this
Exception in thread "main" java.lang.NoClassDefFoundError:
VolcanoRobot (wrong name: LearnJava/VolcanoRobot/VolcanoRobot
)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
I'm fairly usre I'm doing something really simple wrong (bad
configuration of some sort), but could use a clue.
Thanks
compile and execute classes that compiled and executed properly under
the SDK (1.4.2). In NetBeans I get a series of errors something like
this:
java.lang.NoClassDefFoundError: LearnJava/VolcanoRobot/VolcanoRobot
(wrong name: VolcanoRobot)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at
java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at
java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
Exception in thread "main"
If I put the statement
package LearnJava.VolcanoRobot;
at the top of the file, all is well with NetBeans. Unfortunately then
the SDK java command gives lots of errors, like this
Exception in thread "main" java.lang.NoClassDefFoundError:
VolcanoRobot (wrong name: LearnJava/VolcanoRobot/VolcanoRobot
)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
I'm fairly usre I'm doing something really simple wrong (bad
configuration of some sort), but could use a clue.
Thanks