GitHub user takanorig opened a pull request:
https://github.com/apache/camel/pull/635
Modify camel-paho
I modified camel-paho,
* Parsing subscribe topic correctly.
I modified parsing logic because previous implementation can not parse the
topic with the uri options.
* Changing exchange header value to the mqtt properties which is original
bean.
MqttMessage class has not topic. But topic is very important value.
So, I changed the exchange header which has topic, and privious header
value can be specified by "headerType" option.
And, in original source, the following errors occur.
```
java.lang.NullPointerException: null
at
org.apache.camel.impl.DefaultRuntimeEndpointRegistry.notify(DefaultRuntimeEndpointRegistry.java:245)
at org.apache.camel.util.EventHelper.doNotifyEvent(EventHelper.java:805)
at
org.apache.camel.util.EventHelper.notifyExchangeCreated(EventHelper.java:411)
at
org.apache.camel.impl.DefaultUnitOfWork.<init>(DefaultUnitOfWork.java:123)
at
org.apache.camel.impl.DefaultUnitOfWork.<init>(DefaultUnitOfWork.java:72)
at
org.apache.camel.impl.DefaultUnitOfWorkFactory.createUnitOfWork(DefaultUnitOfWorkFactory.java:34)
at
org.apache.camel.processor.CamelInternalProcessor$UnitOfWorkProcessorAdvice.createUnitOfWork(CamelInternalProcessor.java:663)
at
org.apache.camel.processor.CamelInternalProcessor$UnitOfWorkProcessorAdvice.before(CamelInternalProcessor.java:631)
at
org.apache.camel.processor.CamelInternalProcessor$UnitOfWorkProcessorAdvice.before(CamelInternalProcessor.java:608)
at
org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:138)
at
org.apache.camel.component.paho.PahoConsumer$1.messageArrived(PahoConsumer.java:73)
at
org.eclipse.paho.client.mqttv3.internal.CommsCallback.handleMessage(CommsCallback.java:354)
at
org.eclipse.paho.client.mqttv3.internal.CommsCallback.run(CommsCallback.java:162)
at java.lang.Thread.run(Thread.java:745)
```
I do not know why the error occurred.
Could you check it?
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/takanorig/camel camel-paho-2.17.0
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/camel/pull/635.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #635
----
commit 2a376c9ce18e7688be5d7d0f3b66dbbdb515ee4f
Author: Takanori Suzuki <takano...@gmail.com>
Date: 2015-10-11T17:20:46Z
Modify parsing topic in the uri, and Exchange header value is changed
because mqtt topic is able to use in after process.
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