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From "Andy Jefferson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JDO-550) TestArrayCollections fails
Date Sun, 11 Nov 2007 09:04:51 GMT

    [ https://issues.apache.org/jira/browse/JDO-550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12541617
] 

Andy Jefferson commented on JDO-550:
------------------------------------

with description this time ...

There is an undocumented system property (besides the jvm source) in JDK
5 and 6 called "sun.lang.ClassLoader.allowArraySyntax". The default
changed from true to false in JDK6. So what this means is that in JDK6,
unless you set that property to true, if you try and load a Java array
type using a classloader (e.g. "[[B") you will get a CNFE.

The compatible solution is to either interpret array types directly (not
hard), or to use the extended form of Class.forName(), which does
understand the array syntax:

Class clazz = Class.forName(className, false, loader);


So its a regression with the JDK (though they want to call it a change in default).

> TestArrayCollections fails
> --------------------------
>
>                 Key: JDO-550
>                 URL: https://issues.apache.org/jira/browse/JDO-550
>             Project: JDO
>          Issue Type: Bug
>          Components: tck2
>    Affects Versions: JDO 2 maintenance release 1
>            Reporter: Michelle Caisse
>            Assignee: Andy Jefferson
>
> 1) test(org.apache.jdo.tck.models.fieldtypes.TestArrayCollections)junit.framework.AssertionFailedError:
Assertion (TestArrayCollections) failed: 
> Expected and observed do not match!!
> For element embedded-element=false public String [] ArrayOfString6, retrieved field is
null.
> For element embedded-element=true public String [] ArrayOfString7, retrieved field is
null.
> For element embedded-element=false public Date [] ArrayOfDate8, retrieved field is null.
> For element embedded-element=true public Date [] ArrayOfDate9, retrieved field is null.
> For element embedded-element=false public Locale [] ArrayOfLocale10, retrieved field
is null.
> For element embedded-element=true public Locale [] ArrayOfLocale11, retrieved field is
null.
> For element embedded-element=false public BigDecimal [] ArrayOfBigDecimal12, retrieved
field is null.
> For element embedded-element=true public BigDecimal [] ArrayOfBigDecimal13, retrieved
field is null.
> For element embedded-element=false public BigInteger [] ArrayOfBigInteger14, retrieved
field is null.
> For element embedded-element=true public BigInteger [] ArrayOfBigInteger15, retrieved
field is null.
> For element embedded-element=false public Byte [] ArrayOfByte16, retrieved field is null.
> For element embedded-element=true public Byte [] ArrayOfByte17, retrieved field is null.
> For element embedded-element=false public Double [] ArrayOfDouble18, retrieved field
is null.
> For element embedded-element=true public Double [] ArrayOfDouble19, retrieved field is
null.
> For element embedded-element=false public Float [] ArrayOfFloat20, retrieved field is
null.
> For element embedded-element=true public Float [] ArrayOfFloat21, retrieved field is
null.
> For element embedded-element=false public Integer [] ArrayOfInteger22, retrieved field
is null.
> For element embedded-element=true public Integer [] ArrayOfInteger23, retrieved field
is null.
> For element embedded-element=false public Long [] ArrayOfLong24, retrieved field is null.
> For element embedded-element=true public Long [] ArrayOfLong25, retrieved field is null.
> For element embedded-element=false public Short [] ArrayOfShort26, retrieved field is
null.
> For element embedded-element=true public Short [] ArrayOfShort27, retrieved field is
null.
> For element embedded-element=false public SimpleEnum [] ArrayOfSimpleEnum28, retrieved
field is null.
> For element embedded-element=true public SimpleEnum [] ArrayOfSimpleEnum29, retrieved
field is null.
> For element embedded-element=true public SimpleEnum [] ArrayOfSimpleEnum30, retrieved
field is null.
> 	at org.apache.jdo.tck.JDO_Test.fail(JDO_Test.java:639)
> 	at org.apache.jdo.tck.models.fieldtypes.TestArrayCollections.checkValues(TestArrayCollections.java:200)
> 	at org.apache.jdo.tck.models.fieldtypes.TestArrayCollections.runTest(TestArrayCollections.java:112)
> 	at org.apache.jdo.tck.models.fieldtypes.TestArrayCollections.test(TestArrayCollections.java:74)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.jdo.tck.JDO_Test.runBare(JDO_Test.java:254)
> 	at org.apache.jdo.tck.util.BatchTestRunner.doRun(BatchTestRunner.java:108)
> 	at org.apache.jdo.tck.util.BatchTestRunner.start(BatchTestRunner.java:148)
> 	at org.apache.jdo.tck.util.BatchTestRunner.main(BatchTestRunner.java:123)

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