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MQSeries.net Forum IndexIBM MQ API SupportPHP 7.2.30 MqSeries 0.15 Segmentation fault.

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ROMAN
PostPosted: Fri Jul 03, 2020 1:36 pm Post subject: PHP 7.2.30 MqSeries 0.15 Segmentation fault. Reply with quote

Newbie

Joined: 03 Jul 2020
Posts: 1

Hello,
i am getting messages from queue with mqseries_get procedure. And when queue is empty im getting COMPCODE = MQSERIES_MQCC_OK and REASON = MQSERIES_MQRC_NO_MSG_AVAILABLE, closing connection and all goes fine.
But when there is a message in a queue i'm getting Segmentation fault error.

Please advice me where to look for the root of this issue. I found some error files in /var/mqm/errors, but i dont know what to look at. There are only messages about long user name that exceeds 13 characters.



Code:
$mdg = [];
        $gmo = ['Options' => MQSERIES_MQGMO_FAIL_IF_QUIESCING | MQSERIES_MQGMO_WAIT, 'WaitInterval' => 3000];
        $bufferLength = 2000000;
        $dataLength = 0;
        $this->message = null;

        mqseries_get($this->hConn, $this->hObj, $mdg, $gmo, $bufferLength, $this->message, $dataLength, $this->compCode, $this->reason);


The message body less than 2000000 bytes.

Thanks in advance.
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gbaddeley
PostPosted: Sun Jul 05, 2020 3:52 pm Post subject: Reply with quote

Jedi

Joined: 25 Mar 2003
Posts: 2174
Location: Melbourne, Australia

If mqseries_get is like the MQ API function MQGET, it assumes that the message buffer is pre-allocated.
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Glenn
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hughson
PostPosted: Sun Jul 05, 2020 8:47 pm Post subject: Re: PHP 7.2.30 MqSeries 0.15 Segmentation fault. Reply with quote

Padawan

Joined: 09 May 2013
Posts: 1504
Location: Bay of Plenty, New Zealand

ROMAN wrote:
Code:
        $bufferLength = 2000000;
        $this->message = null;


These two things seems contradictory.

Have you viewed the example here.

Cheers,
Morag
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Morag Hughson @MoragHughson
IBM MQ Technical Education Specialist
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