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Posted to commits@harmony.apache.org by "Nathan Beyer (JIRA)" <ji...@apache.org> on 2006/07/17 23:57:15 UTC
[jira] Closed: (HARMONY-880)
AbstractPreferences.exportSubTree(null) throws different exceptions on RI
and Harmony
[ http://issues.apache.org/jira/browse/HARMONY-880?page=all ]
Nathan Beyer closed HARMONY-880.
--------------------------------
Verified.
> AbstractPreferences.exportSubTree(null) throws different exceptions on RI and Harmony
> -------------------------------------------------------------------------------------
>
> Key: HARMONY-880
> URL: http://issues.apache.org/jira/browse/HARMONY-880
> Project: Harmony
> Issue Type: Bug
> Components: Non-bug differences from RI
> Environment: Windows XP professional
> Reporter: Anton Luht
> Assigned To: Nathan Beyer
> Priority: Minor
> Attachments: patch.txt
>
>
> Harmony Classlib + VM 421248
> RI throws java.lang.AssertionError while Harmony throws NPE.
> Accodring to specification method must throw:
> IOException - if writing to the specified output stream results in an IOException.
> BackingStoreException - if preference data cannot be read from backing store.
> IllegalStateException - if this node (or an ancestor) has been removed with the removeNode() method.
> There is no mention about any exception if null argument is passed.
> import java.util.prefs.*;
> public class Test {
> public static void main (String[] args) {
> try {
> Preferences localPreferences = Preferences.systemRoot();
> localPreferences.exportSubtree(null);
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
>
> Output on RI:
> Exception in thread "main" java.lang.AssertionError: javax.xml.transform.TransformerException: Result object passed to ''{0}'' is invalid.
> at java.util.prefs.XmlSupport.writeDoc(XmlSupport.java:251)
> at java.util.prefs.XmlSupport.export(XmlSupport.java:106)
> at java.util.prefs.AbstractPreferences.exportSubtree(AbstractPreferences.java:1591)
> at Test.main(Test.java:9)
> Caused by: javax.xml.transform.TransformerException: Result object passed to ''{0}'' is invalid.
> at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.getOutputHandler(TransformerImpl.java:367)
> at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:264)
> at java.util.prefs.XmlSupport.writeDoc(XmlSupport.java:249)
> ... 3 more
> Output on Harmony:
> java.lang.NullPointerException
> at java.io.Writer.<init>(Writer.java:54)
> at java.io.OutputStreamWriter.<init>(OutputStreamWriter.java:84)
> at java.util.prefs.XMLParser.exportPrefs(XMLParser.java:162)
> at java.util.prefs.AbstractPreferences.exportSubtree(AbstractPreferences.java:378)
> at Test.main(Test.java:9)
> please see the patch to JUnit test and classlib code to mimic the RI behaviour attached.
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