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https://issues.apache.org/jira/browse/ARTEMIS-826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15971098#comment-15971098
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Martyn Taylor commented on ARTEMIS-826:
---------------------------------------
I will have this fixed and ready for Apache Artemis 2.0.1 (and back ported onto
the Artemis 1.x branch) within the next week or so. Apologies for the delay
guys. I'm snowed under with other things atm...
Thanks.
> MQTT with a long password field causes NPE exception
> ----------------------------------------------------
>
> Key: ARTEMIS-826
> URL: https://issues.apache.org/jira/browse/ARTEMIS-826
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Affects Versions: 1.4.0, 1.5.0
> Reporter: luca capra
> Assignee: Martyn Taylor
> Priority: Critical
> Labels: mqtt
> Fix For: 2.next
>
>
> Hi
> I'm using mqtt.js and Paho (java) as client for MQTT protocol.
> The issue can be replicated both on (my embed) version pointing at master
> (1.5.0-SNAPSHOT) and with a clean install of 1.4.0 release
> Happens by using a long password (a jwt token in my case) which causes this
> exception on both versions
> Example password:
> eyJhbGciOiJIUzUxMiJ9.eyJjcmVhdGVkIjoxNDc3NDg1NDc5OTEzLCJleHAiOjE0Nzc0ODcyNzksInV1aWQiOiI2NmVkNDc3Mi0wNDg5LTRlOTYtYmI2NS01NDhiMmVkMmM3MWQifQ.LbOAr8pPApDlVBLi32JWtCjmCa80ByAJYq9BnTnWQgh4SWka4WzykMU0D_atE5tYtgICj2QOg-OFglv2ZqLLNw
> Exception:
> Caused by: java.lang.NullPointerException
> at
> org.apache.activemq.artemis.core.protocol.ProtocolHandler$ProtocolDecoder.decode(ProtocolHandler.java:185)
> [artemis-server-1.4.0.jar:1.4.0]
> Looking at the source Artemis receive a different set of bytes ("M"QTT starts
> at array[5])
> https://github.com/apache/activemq-artemis/blob/master/artemis-protocols/artemis-mqtt-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/mqtt/MQTTProtocolManager.java#L131
> ---
> MQTT spec on password length (0 to 65535 bytes of binary data + 2bytes for
> length)
> http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html#_Toc385349246
> Client code is here:
> https://gist.github.com/muka/df7cac712a645b9f1895274adcbe3670
> Embed artemis code is here:
> https://github.com/muka/raptor/tree/master/raptor-broker
> Thanks!
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