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Posted to commits@harmony.apache.org by "spark shen (JIRA)" <ji...@apache.org> on 2007/07/04 11:17:04 UTC
[jira] Updated: (HARMONY-4321) [classlib][beans] Current java6 bean
implementation does not persist some class properly
[ https://issues.apache.org/jira/browse/HARMONY-4321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
spark shen updated HARMONY-4321:
--------------------------------
Summary: [classlib][beans] Current java6 bean implementation does not persist some class properly (was: [classlib][java6][beans] Current java6 bean implementation does not persist some class properly)
> [classlib][beans] Current java6 bean implementation does not persist some class properly
> ----------------------------------------------------------------------------------------
>
> Key: HARMONY-4321
> URL: https://issues.apache.org/jira/browse/HARMONY-4321
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Reporter: spark shen
> Assignee: Leo Li
> Attachments: HY-4321.diff, HY-4321.sh
>
>
> class Bar {
> public int value;
> public void barTalk() {
> System.out.println("Bar is coming!");
> }
> }
> public void test_writeObject_java_lang_reflect_Field()
> throws SecurityException, NoSuchFieldException {
> ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
> XMLEncoder encoder = new XMLEncoder(new BufferedOutputStream(
> byteArrayOutputStream));
> Field value = Bar.class.getField("value");
> encoder.writeObject(value);
> encoder.close();
> DataInputStream stream = new DataInputStream(new ByteArrayInputStream(
> byteArrayOutputStream.toByteArray()));
> XMLDecoder decoder = new XMLDecoder(stream);
> Field field = (Field) decoder.readObject();
> assertEquals(value, field);
> assertEquals(value.getName(), field.getName());
> }
> Test result:
> Harmony-branch-java6:
> class java.lang.NullPointerException: newInstance is null
> org.xml.sax.SAXException: No constructor for class java.lang.reflect.Field found
> at org.apache.harmony.beans.Handler.endElement(Handler.java:113)
> at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
> at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
> at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
> at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> at java.beans.XMLDecoder.initialize(XMLDecoder.java:128)
> at java.beans.XMLDecoder.readObject(XMLDecoder.java:77)
> at org.apache.harmony.beans.tests.java.beans.PersistenceDelegateTest.test_writeObject_java_lang_reflect_Field(PersistenceDelegateTest.java:266)
> at java.lang.reflect.AccessibleObject.invokeV(AccessibleObject.java:207)
> at java.lang.reflect.Method.invoke(Method.java:258)
> at junit.framework.TestCase.runTest(TestCase.java:154)
> at junit.framework.TestCase.runBare(TestCase.java:127)
> at junit.framework.TestResult$1.protect(TestResult.java:106)
> at junit.framework.TestResult.runProtected(TestResult.java:124)
> at junit.framework.TestResult.run(TestResult.java:109)
> at junit.framework.TestCase.run(TestCase.java:118)
> at junit.framework.TestSuite.runTest(TestSuite.java:208)
> at junit.framework.TestSuite.run(TestSuite.java:203)
> at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:297)
> at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:672)
> at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:567)
> Caused by: java.lang.NoSuchMethodException: No constructor for class java.lang.reflect.Field found
> at java.beans.Statement.findConstructor(Statement.java:242)
> at java.beans.Statement.invokeMethod(Statement.java:122)
> at java.beans.Expression.getValue(Expression.java:71)
> at org.apache.harmony.beans.Command.doRun(Command.java:273)
> at org.apache.harmony.beans.Command.exec(Command.java:162)
> at org.apache.harmony.beans.Handler.endElement(Handler.java:111)
> ... 24 more
> RI:
> successful
> I suspect there are still other classes not properly handle by XMLEncoder. I am trying to implement them.
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