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From "Timothy Bish (JIRA)" <>
Subject [jira] Resolved: (AMQCPP-149) Client crash when receiving message with empty string property from java
Date Wed, 24 Oct 2007 18:48:24 GMT


Timothy Bish resolved AMQCPP-149.

    Resolution: Fixed

Resolved in trunk

> Client crash when receiving message with empty string property from java
> ------------------------------------------------------------------------
>                 Key: AMQCPP-149
>                 URL:
>             Project: ActiveMQ C++ Client
>          Issue Type: Bug
>          Components: Openwire
>    Affects Versions: 2.0, 2.0.1, 2.1
>            Reporter: Marco Renz
>            Assignee: Timothy Bish
>             Fix For: 2.1.1
>   Original Estimate: 1 minute
>  Remaining Estimate: 1 minute
> Send message from a java client with a string property whereas the value is the empty
> Try to receive this message with a C++ client.
> Result: C++ client crashs.
> Reason:
> In OpenwireStringSupport::readString a std::vector is initialized to the string length
which is 0. Then DataInputStream::readFully is called with the vector as argument. But this
method tries to get the element at index 0 of the vector without any check. But there is no
element in the vector at all...
> Proposed solution:
> DataInputStream::readFully  should check the size of the vector before accessing elements.
> Further info:
> If the message is send from C++ client then there is no problem. Maybe /0 is used so
that the vector has at least a size of 1.
> I got that probelm with 2.0.1. I did not tried 2.1 but checked the code.

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