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Posted to java-dev@axis.apache.org by "Vilnis Termanis (Updated) (JIRA)" <ji...@apache.org> on 2011/11/13 21:53:52 UTC

[jira] [Updated] (AXIS2-5183) Null as first element in non-primitive array causes other array elements to be disregarded

     [ https://issues.apache.org/jira/browse/AXIS2-5183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vilnis Termanis updated AXIS2-5183:
-----------------------------------

    Description: 
Procedure:

1) Create service function (e.g. POJO) which has an array parameter, e.g.:
public static boolean testFunc(Integer[] integers) {
  System.out.println((integers != null) ? integers.length : "null");
}

2) Send request with null as first element, e.g.:
<ns1:testFunc><ns1:integers/><ns1:integers>1</ns1:integers><ns1:integers>2</ns1:integers></ns1:testFunc>

3) Send request with null as non-first element, e.g.:
<ns1:testFunc><ns1:integers>1</ns1:integers><ns1:integers/><ns1:integers>2</ns1:integers></ns1:testFunc>

Result:

2) Array of length 0 (i.e. null) received - WRONG
3) Array of length 3 received (1, null, 2, as expected)

Reason:
BeanUtil.java ignores non-null elements of an array if the first element is null.

  was:
Procedure:

1) Create service function (e.g. POJO) which has an array parameter, e.g.:
public static boolean testFunc(Integer[] integers) {
  if (integers != null) {
    System.out.println(integers.length);
  } else {
    System.out.println("null");
  }
}

2) Send request with null as first element, e.g.:
<ns1:testFunc><ns1:integers/><ns1:integers>1</ns1:integers><ns1:integers>2</ns1:integers></ns1:testFunc>

3) Send request with null as non-first element, e.g.:
<ns1:testFunc><ns1:integers>1</ns1:integers><ns1:integers/><ns1:integers>2</ns1:integers></ns1:testFunc>

Result:

2) Array of length 0 (i.e. null) received - WRONG
3) Array of length 3 received (1, null, 2, as expected)

Reason:
BeanUtil.java ignores non-null elements of an array if the first element is null.

    
> Null as first element in non-primitive array causes other array elements to be disregarded
> ------------------------------------------------------------------------------------------
>
>                 Key: AXIS2-5183
>                 URL: https://issues.apache.org/jira/browse/AXIS2-5183
>             Project: Axis2
>          Issue Type: Bug
>          Components: adb, databinding
>    Affects Versions: 1.6.0, 1.6.1
>            Reporter: Vilnis Termanis
>              Labels: BeanUtil, array, null
>
> Procedure:
> 1) Create service function (e.g. POJO) which has an array parameter, e.g.:
> public static boolean testFunc(Integer[] integers) {
>   System.out.println((integers != null) ? integers.length : "null");
> }
> 2) Send request with null as first element, e.g.:
> <ns1:testFunc><ns1:integers/><ns1:integers>1</ns1:integers><ns1:integers>2</ns1:integers></ns1:testFunc>
> 3) Send request with null as non-first element, e.g.:
> <ns1:testFunc><ns1:integers>1</ns1:integers><ns1:integers/><ns1:integers>2</ns1:integers></ns1:testFunc>
> Result:
> 2) Array of length 0 (i.e. null) received - WRONG
> 3) Array of length 3 received (1, null, 2, as expected)
> Reason:
> BeanUtil.java ignores non-null elements of an array if the first element is null.

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