luca capra created ARTEMIS-826:
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Summary: 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
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
---
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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