i have an error when executing e4x_example.js
F:\PROGRAMMING\java\rhino1_7R2>java -jar js.jar e4x_example.js
----------------------------------------
The employees XML object constructed from a string is:
<employees>
<employee>
<name>John</name>
<age>25</age>
</employee>
<employee>
<name>Sue</name>
<age>32</age>
</employee>
</employees>
----------------------------------------
The order XML object constructed using a literal is:
<order>
<customer>
<firstname>John</firstname>
<lastname>Doe</lastname>
</customer>
<item>
<description>Big Screen Television</description>
<price>1299.99</price>
<quantity>1</quantity>
</item>
</order>
The total price of John Doe's order is 1299.99
----------------------------------------
Exception in thread "main" java.lang.NullPointerException
at org.mozilla.javascript.xmlimpl.XMLList.put(XMLList.java:
242)
at
org.mozilla.javascript.xmlimpl.XMLObjectImpl.ecmaPut(XMLObjectImpl.java:
312)
at
org.mozilla.javascript.ScriptRuntime.setObjectElem(ScriptRuntime.java:
1522)
at
org.mozilla.javascript.ScriptRuntime.setObjectElem(ScriptRuntime.java:
1514)
at org.mozilla.javascript.gen.c1._c0(Unknown Source)
at org.mozilla.javascript.gen.c1.call(Unknown Source)
at
org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:
398)
at
org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:
3065)
at org.mozilla.javascript.gen.c1.call(Unknown Source)
at org.mozilla.javascript.gen.c1.exec(Unknown Source)
at
org.mozilla.javascript.tools.shell.Main.evaluateScript(Main.java:564)
at
org.mozilla.javascript.tools.shell.Main.processFileSecure(Main.java:
486)
at
org.mozilla.javascript.tools.shell.Main.processFile(Main.java:452)
at
org.mozilla.javascript.tools.shell.Main.processSource(Main.java:443)
at
org.mozilla.javascript.tools.shell.Main.processFiles(Main.java:196)
at org.mozilla.javascript.tools.shell.Main
$IProxy.run(Main.java:117)
at org.mozilla.javascript.Context.call(Context.java:515)
at
org.mozilla.javascript.ContextFactory.call(ContextFactory.java:507)
at org.mozilla.javascript.tools.shell.Main.exec(Main.java:179)
at org.mozilla.javascript.tools.shell.Main.main(Main.java:157)
F:\PROGRAMMING\java\rhino1_7R2>
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