Does not work with Jenkins 2.387.1

[itexto]

Jenkins and plugins versions report

Jenkins 2.387.1 Zulip Plugin 1.3.0

What Operating System are you using (both controller, and any agents involved in the problem)?

Linux - Ubuntu 20.04

Reproduction steps

When trying to send any message with the plugin we'll get the error

Error when executing failure post condition: java.lang.ClassNotFoundException: org.apache.commons.httpclient.Credentials at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:476) at jenkins.util.URLClassLoader2.findClass(URLClassLoader2.java:35) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) Caused: java.lang.NoClassDefFoundError: org/apache/commons/httpclient/Credentials at jenkins.plugins.zulip.ZulipSendStep.perform(ZulipSendStep.java:44) at jenkins.tasks.SimpleBuildStep.perform(SimpleBuildStep.java:123) at org.jenkinsci.plugins.workflow.steps.CoreStep$Execution.run(CoreStep.java:101) at org.jenkinsci.plugins.workflow.steps.CoreStep$Execution.run(CoreStep.java:71) at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:829)

Expected Results

This should work, the message should be sent

Actual Results

The exception is thrown

Anything else?

Probably related to this issue: #36

[butchyyyy]

Duplicate of #35