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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-2083) java.io.OptionalDataException when getting a deeply nested HashMap from an ObjectMessage
Date Tue, 12 May 2009 16:08:50 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2083?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Tully resolved AMQ-2083.
-----------------------------

    Resolution: Working as Designed

issue was with user code synchronisation

> java.io.OptionalDataException when getting a deeply nested HashMap from an ObjectMessage
> ----------------------------------------------------------------------------------------
>
>                 Key: AMQ-2083
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2083
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.2.0
>         Environment: JRE 1.5.0_12
>            Reporter: Martin Haslinger
>
> In rare occasions getting a HashMap from an ObjectMessage leads to the following error:
> javax.jms.JMSException: Failed to build body from bytes. Reason: java.io.OptionalDataException
> 	at org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:35)
> 	at org.apache.activemq.command.ActiveMQObjectMessage.getObject(ActiveMQObjectMessage.java:183)
> Caused by: java.io.OptionalDataException
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at java.util.HashMap.readObject(Unknown Source)
> 	at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at java.util.HashMap.readObject(Unknown Source)
> 	at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at java.util.HashMap.readObject(Unknown Source)
> 	at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	at java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
> 	at java.io.ObjectInputStream.readSerialData(Unknown Source)
> 	at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> 	at java.io.ObjectInputStream.readObject0(Unknown Source)
> 	at java.io.ObjectInputStream.readObject(Unknown Source)
> 	at org.apache.activemq.command.ActiveMQObjectMessage.getObject(ActiveMQObjectMessage.java:177)
> 	... 8 more
> The only difference in the testing application to all other messages is that the object
is a deeply nested map, it is: HashMap<String, HashMap<String, HashMap<String,String>>>
> Alltough the OptionalDataException indicates some primitive values being written somewhere,
there are absolute no primitive values around there.

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