When trying to use the socket connection to docker (Docker URL = unix:///var/run/docker.sock) the build fails with the following exception:

javax.ws.rs.ProcessingException: Could not initialize class org.newsclub.net.unix.NativeUnixSocket
at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:255)
at org.glassfish.jersey.client.JerseyInvocation$2.call(JerseyInvocation.java:683)
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
at org.glassfish.jersey.internal.Errors.process(Errors.java:228)
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:424)
at org.glassfish.jersey.client.JerseyInvocation.invoke(JerseyInvocation.java:679)
at org.glassfish.jersey.client.JerseyInvocation$Builder.method(JerseyInvocation.java:435)
at org.glassfish.jersey.client.JerseyInvocation$Builder.post(JerseyInvocation.java:338)
at com.github.dockerjava.jaxrs.CreateContainerCmdExec.execute(CreateContainerCmdExec.java:32)
at com.github.dockerjava.jaxrs.CreateContainerCmdExec.execute(CreateContainerCmdExec.java:14)
at com.github.dockerjava.jaxrs.AbstrDockerCmdExec.exec(AbstrDockerCmdExec.java:57)
at com.github.dockerjava.core.command.AbstrDockerCmd.exec(AbstrDockerCmd.java:29)
at com.github.dockerjava.core.command.CreateContainerCmdImpl.exec(CreateContainerCmdImpl.java:376)
at org.jenkinsci.plugins.dockerbuildstep.cmd.CreateContainerCommand.execute(CreateContainerCommand.java:143)
at org.jenkinsci.plugins.dockerbuildstep.DockerBuilder.perform(DockerBuilder.java:75)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:785)
at hudson.model.Build$BuildExecution.build(Build.java:205)
at hudson.model.Build$BuildExecution.doRun(Build.java:162)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:537)
at hudson.model.Run.execute(Run.java:1741)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:410)
Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.newsclub.net.unix.NativeUnixSocket
at org.newsclub.net.unix.AFUNIXSocketImpl.connect(AFUNIXSocketImpl.java:134)
at org.newsclub.net.unix.AFUNIXSocket.connect(AFUNIXSocket.java:97)
at com.github.dockerjava.jaxrs.ApacheUnixSocket.connect(ApacheUnixSocket.java:66)
at com.github.dockerjava.jaxrs.UnixConnectionSocketFactory.connectSocket(UnixConnectionSocketFactory.java:78)
at org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:125)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:319)
at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:363)
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:219)
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195)
at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:86)
at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:108)
at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
at org.glassfish.jersey.apache.connector.ApacheConnector.apply(ApacheConnector.java:465)
at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:246)