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