Jenkins could not obtain system attributes. The obtained property:jenkinsVersion=-1

[revertXC]

Current Behavior

SystemInfo{errors=[Error{context=null, message=Null server, exceptionName=java.lang.NullPointerException}], hudsonVersion=-1, jenkinsVersion=-1, jenkinsSession=-1, instanceIdentity=-1, sshEndpoint=-1, server=-1}

Steps to Reproduce (for bugs)

public static void main(String[] args) throws Exception {
JenkinsClient client = JenkinsClient.builder()
.endPoint("http://127.0.0.1:19999/jenkins")
.credentials("root:root")
.build();
SystemInfo systemInfo = client.api().systemApi().systemInfo();
System.out.println(systemInfo);
}

Your Environment

<dependency> <groupId>io.github.cdancy</groupId> <artifactId>jenkins-rest</artifactId> <version>1.0.1</version> </dependency>

Jenkins 2.332.3