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Posted to dev@activemq.apache.org by "Helen Huang (Updated) (JIRA)" <ji...@apache.org> on 2012/03/12 18:03:43 UTC
[jira] [Updated] (AMQCPP-388) AprPool::getAprPool() returns NULL,
causing access violation and application crash
[ https://issues.apache.org/jira/browse/AMQCPP-388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Helen Huang updated AMQCPP-388:
-------------------------------
Attachment: BrokerMonitor.zip
> AprPool::getAprPool() returns NULL, causing access violation and application crash
> ----------------------------------------------------------------------------------
>
> Key: AMQCPP-388
> URL: https://issues.apache.org/jira/browse/AMQCPP-388
> Project: ActiveMQ C++ Client
> Issue Type: Bug
> Components: Decaf
> Affects Versions: 3.2.3
> Environment: Windows xp service pack 3, ActiveMQ broker 5.3.1, apr 1.4.2, apr-util 1.3.9, apr iconv 1.2.1
> Reporter: Helen Huang
> Assignee: Timothy Bish
> Fix For: 3.2.3
>
> Attachments: BrokerMonitor.zip
>
>
> Our application that uses activemq c++ client lib crashed with the following dump:
> ----------------------------------------------------------------------------------------------------------------------
> Thread 87 - System ID 3780
> Function Arg 1 Arg 2 Arg 3 Source
> libapr_1!apr_pvsprintf+8 00000000 0642a188 180eeb94
> activemq_cppu!decaf::lang::Exception::buildMessage+71 0642a188 180eeb74 180eee2c
> activemq_cppu!decaf::lang::exceptions::RuntimeException::RuntimeException+4d 180efeec 0642a160 00000097
> activemq_cppu!decaf::lang::ThreadProperties::runCallback+125 180eee2c 180efee0 00000001
> msvcr80!CatchIt+5c 00000000 00000000 00000000
> LIBAPR_1!APR_PVSPRINTF+8In scotapp.dmp the assembly instruction at libapr_1!apr_pvsprintf+8 in C:\scot\dll\libapr-1.dll has caused an access violation exception (0xC0000005) when trying to read from memory location 0x0000002c on thread 87
> --------------------------------------------------------------------------------------------------------------------
> On the call stack, we saw that following function from class decaf::lang::Exception was called:
> void Exception::buildMessage( const char* format, va_list& vargs ) {
> // Allocate buffer with a guess of it's size
> AprPool pool;
> // Allocate a buffer of the specified size.
> char* buffer = apr_pvsprintf( pool.getAprPool(), format, vargs );
> // Guessed size was enough. Assign the string.
> message.assign( buffer, strlen( buffer ) );
> }
> The first parameter passed into apr_pvsprintf was NULL, causing the crash. Could you please take a look and see if there is any bug in the activemqcpp code that could cause the problem. Thanks!
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