JENKINS-30200: Nullpointer exception while connecting to a docker

container Looks like due to Docker API changes between `v1.19` and `v1.20` create container call should contain `ExposedPorts` instead of `PortSpecs`. Change was tested with Docker `1.8.2` and `1.7.1`.
jenkinsci · Sep 14, 2015 · 5b06e3b · 5b06e3b
1 parent 247db47
commit 5b06e3b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/...n/src/main/java/com/nirima/jenkins/plugins/docker/launcher/DockerComputerSSHLauncher.java b/...n/src/main/java/com/nirima/jenkins/plugins/docker/launcher/DockerComputerSSHLauncher.java
@@ -59,7 +59,7 @@ public ComputerLauncher getPreparedLauncher(String cloudId, DockerTemplate docke
     public void appendContainerConfig(DockerTemplate dockerTemplate, CreateContainerCmd createCmd) {
         final int sshPort = getSshConnector().port;
 
-        createCmd.withPortSpecs(sshPort + "/tcp");
+        createCmd.withExposedPorts(new ExposedPort(sshConnector.port));
 
         String[] cmd = dockerTemplate.getDockerTemplateBase().getDockerCommandArray();
         if (cmd.length == 0) {