Hello,everyone
I want use (view) function to see the pattern network. but it give error message like
this
Jess> (defrule r1
(x)
(y)
(z)
=>)
TRUE
Jess>
Jess> (load-package jess.ViewFunctions)
TRUE
Jess> (view)
Exception in thread "main" java.lang.NoClassDefFoundError: jess.Node1
at jess.d3.class$(Unknown Source)
at jess.d3.if(Unknown Source)
at jess.d3.<init>(Unknown Source)
at jess.cp.call(Unknown Source)
at jess.d5.a(Unknown Source)
at jess.Funcall.execute(Unknown Source)
at jess.Jesp.a(Unknown Source)
at jess.Jesp.char(Unknown Source)
at jess.Jesp.parse(Unknown Source)
at jess.Main.execute(Unknown Source)
at jess.Main.main(Unknown Source)
How can I use none build-in function? Also, in jess60a7 I cann't use ppdefrule,
ppdeftemplate etc. Whenever I use them, jess will report
Jess> (deftemplate d1
(slot name)
(slot age)
)
TRUE
Jess> (ppdeftemplate d1)
Jess reported an error in routine new
while executing (new jess.PrettyPrinter ?__template)
while executing (call (new jess.PrettyPrinter ?__template) toStri
while executing deffunction ppdeftemplate
while executing (ppdeftemplate d1).
Message: Class not found.
Program text: ( ppdeftemplate d1 ) at line 8.
Nested exception is:
jess.PrettyPrinter
java.lang.ClassNotFoundException: jess.PrettyPrinter
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:297)
at sun.misc.Launcher$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 jess.Rete.if(Unknown Source)
at jess.cs.call(Unknown Source)
at jess.d5.a(Unknown Source)
at jess.Funcall.execute(Unknown Source)
at jess.FuncallValue.resolveValue(Unknown Source)
at jess.v.call(Unknown Source)
at jess.d5.a(Unknown Source)
at jess.Funcall.execute(Unknown Source)
at jess.FuncallValue.resolveValue(Unknown Source)
at jess.Deffunction.call(Unknown Source)
at jess.d5.a(Unknown Source)
at jess.Funcall.execute(Unknown Source)
at jess.Jesp.a(Unknown Source)
at jess.Jesp.char(Unknown Source)
at jess.Jesp.parse(Unknown Source)
at jess.Main.execute(Unknown Source)
at jess.Main.main(Unknown Source)
Jess>
Is there anyone who can help?
Thanks a lot.
Ivy
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