ClientProtocolException

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As I said, I think that this is a configuration issue and not a code issue. To narrow this down, I created a new binding called TestBinging (sp! argh!!) using the ./create_openhab_binding_skeleton.sh script, then imported it.

Next I added one line to the initialize function and 2 imports

import org.apache.http.client.CredentialsProvider;
import org.apache.http.impl.client.BasicCredentialsProvider;
…
@Override
public void initialize() {
config = getConfigAs(TestBingingConfiguration.class);
CredentialsProvider credsProvider = new BasicCredentialsProvider();
updateStatus(ThingStatus.ONLINE);
}

Then I added org.apache.httpcomponents.httpclient_4.5.2.v20170210-0925.jar to the buildpath as an external archive. Now the project builds OK.

Now, and this is where I think I’m going wrong, I added a runtime dependency on hhttpclient to the POM which now looks like this:

<modelVersion>4.0.0</modelVersion>
<parent>
  <artifactId>pom</artifactId>
  <groupId>org.openhab.binding</groupId>
  <version>2.3.0-SNAPSHOT</version>
</parent>

<artifactId>org.openhab.binding.testbinging</artifactId>
<packaging>eclipse-plugin</packaging>

<name>TestBinging Binding</name>

<dependencies>
	<dependency>
		<groupId>org.apache.httpcomponent</groupId>
		<artifactId>httpclient</artifactId>
		<version>4.5.2</version>
		<scope>runtime</scope>
	</dependency>
</dependencies>

Next I update the run configuration to add my new binding. I’m testing with PaperUI and when I add a TestBinding thing I get this error:

2018-05-19 12:59:09.570 [ERROR] [.i.c.AbstractInvocationHandler:101 ] - An error occurred while calling method ‘ThingHandler.initialize()’ on ‘org.openhab.binding.testbinging.internal.TestBingingHandler@3bf6a8bb’: org/apache/http/impl/client/BasicCredentialsProviderjava.lang.NoClassDefFoundError: org/apache/http/impl/client/BasicCredentialsProvider

so it looks like the runtime does not know where to get the httpclient jars.

Thansk,
Steve