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Posted to commits@activemq.apache.org by "John W (JIRA)" <ji...@apache.org> on 2017/11/02 15:46:00 UTC
[jira] [Created] (APLO-400) Connecting with paho.mqtt.client python
lib does not work and causes NullPointer java error
John W created APLO-400:
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Summary: Connecting with paho.mqtt.client python lib does not work and causes NullPointer java error
Key: APLO-400
URL: https://issues.apache.org/jira/browse/APLO-400
Project: ActiveMQ Apollo
Issue Type: Bug
Components: apollo-mqtt
Affects Versions: 1.7.1
Environment: Ubuntu 16.04 server x86_64
Reporter: John W
Priority: Major
Was getting a `[Errno 54] Connection reset by peer` error on my python frontend which wasn't useful so I checked my connection log and found this:
2017-11-02 11:24:23,919 MQTT connection '/192.168.1.122:49730' error: Internal Server Error: java.lang.NullPointerException
That lead me to take a look at the stacktrace:
{code:java}
2017-11-02 11:24:23,919 | WARN | stackref=15f7965f9e0
java.lang.NullPointerException
at org.apache.activemq.apollo.mqtt.MqttProtocolHandler.on_mqtt_connect(MqttProtocolHandler.java:443)
at org.apache.activemq.apollo.mqtt.MqttProtocolHandler$9.call(MqttProtocolHandler.java:410)
at org.apache.activemq.apollo.util.UnitFn1.apply(Scala2JavaHelper.scala:41)
at org.apache.activemq.apollo.mqtt.MqttProtocolHandler.on_transport_command(MqttProtocolHandler.java:377)
at org.apache.activemq.apollo.broker.BrokerConnection.on_transport_command(Connection.scala:144)
at org.apache.activemq.apollo.broker.Connection$$anon$1.onTransportCommand(Connection.scala:71)
at org.fusesource.hawtdispatch.transport.TcpTransport.drainInbound(TcpTransport.java:709)
at org.fusesource.hawtdispatch.transport.TcpTransport$9.run(TcpTransport.java:770)
at org.fusesource.hawtdispatch.internal.SerialDispatchQueue.run(SerialDispatchQueue.java:100)
at org.fusesource.hawtdispatch.internal.pool.SimpleThread.run(SimpleThread.java:77)
{code}
Any idea what this is?
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