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From "Andreas Veithen (Commented) (JIRA)" <axis-...@ws.apache.org>
Subject [jira] [Commented] (AXIS-2863) Circular Reference in Deserialization and XMLReader
Date Sat, 14 Jan 2012 10:48:40 GMT

    [ https://issues.apache.org/jira/browse/AXIS-2863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13186154#comment-13186154
] 

Andreas Veithen commented on AXIS-2863:
---------------------------------------

Is this problem reproducible? If we get a test case that shows the issue, then we may be able
to identify the root cause and fix it.
                
> Circular Reference in Deserialization and XMLReader
> ---------------------------------------------------
>
>                 Key: AXIS-2863
>                 URL: https://issues.apache.org/jira/browse/AXIS-2863
>             Project: Axis
>          Issue Type: Bug
>          Components: Serialization/Deserialization
>    Affects Versions: 1.4
>         Environment: IBM AIX JRE 1.4.2
>            Reporter: Nagaraj
>            Priority: Critical
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> I got out of memory error and when i analysed heap dump, i was getting infinite active
references of deserialization and xmlreader.When expand Deserialization context,XMLReader
reference is there and when expand XMLReader,Deserialization reference is there.It seems to
be circular reference.The sample output of heap dump is given below. 
>                                                                                     
     | Shallow Heap | Retained Heap | Percentage 
> org.apache.axis.encoding.DeserializationContext @ 0x505dbbc8 | 88 | 988,356,416 | 60.92%

> |- oracle.xml.parser.v2.XMLReader @ 0x505dc5f8 | 128 | 988,272,872 | 60.92% 
> | |- org.apache.axis.encoding.DeserializationContext @ 0x504ce7d8 | 88 | 988,263,992
| 60.92% 
> | | |- oracle.xml.parser.v2.XMLReader @ 0x505385b0 | 128 | 988,190,680 | 60.91% 
> | | | |- org.apache.axis.encoding.DeserializationContext @ 0x89592c00 | 88 | 988,181,800
| 60.91% 
> | | | | |- oracle.xml.parser.v2.XMLReader @ 0x89592e00 | 128 | 988,067,936 | 60.91% 
> | | | | | |- org.apache.axis.encoding.DeserializationContext @ 0x50799858 | 88 | 988,059,056
| 60.91% 
> | | | | | | |- oracle.xml.parser.v2.XMLReader @ 0x5079d0e8 | 128 | 987,975,512 | 60.90%

> | | | | | | | |- org.apache.axis.encoding.DeserializationContext @ 0x505e23d8 | 88 |
987,966,632 | 60.90% 
> | | | | | | | | |- oracle.xml.parser.v2.XMLReader @ 0x505e1c08 | 128 | 987,892,528 |
60.90% 
> Please provide some solution for this. 

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