Established TCP socket on 44165
Exception in thread "main" java.lang.UnsupportedClassVersionError: hudson/remoting/Launcher has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:473)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:425)
	at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247)
	at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)
	at jenkins.maven3.agent.Maven35Main.main(Maven35Main.java:136)
	at jenkins.maven3.agent.Maven35Main.main(Maven35Main.java:66)
Established TCP socket on 34972
NOTE: Picked up JDK_JAVA_OPTIONS:  --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED
&lt;===[JENKINS REMOTING CAPACITY]===&gt;   channel started
Executing Maven:  -B -f /data/jenkins/workspace/saas-backend-job/src/saas-backend-server/pom.xml clean package -DskipTests -Psecurityintest-mysql
[INFO] Scanning for projects...
<span class=warning-inline>[WARNING] 
</span><span class=warning-inline>[WARNING] Some problems were encountered while building the effective model for com.bcxin:saas-backend-core:jar:1.0-SNAPSHOT
</span><span class=warning-inline>[WARNING] 'dependencyManagement.dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.projectlombok:lombok:jar -&gt; duplicate declaration of version 1.18.16 @ com.bcxin:saas-backend-server:1.0-SNAPSHOT, /data/jenkins/workspace/saas-backend-job/src/saas-backend-server/pom.xml, line 68, column 25
</span><span class=warning-inline>[WARNING] 'dependencyManagement.dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.apache.httpcomponents:httpclient:jar -&gt; duplicate declaration of version 4.4 @ com.bcxin:saas-backend-server:1.0-SNAPSHOT, /data/jenkins/workspace/saas-backend-job/src/saas-backend-server/pom.xml, line 88, column 25
</span><span class=warning-inline>[WARNING] 'dependencyManagement.dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.slf4j:slf4j-api:jar -&gt; duplicate declaration of version 1.7.30 @ com.bcxin:saas-backend-server:1.0-SNAPSHOT, /data/jenkins/workspace/saas-backend-job/src/saas-backend-server/pom.xml, line 98, column 25
</span><span class=warning-inline>[WARNING] 'dependencyManagement.dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: cn.hutool:hutool-all:jar -&gt; version 4.5.1 vs 5.3.10 @ com.bcxin:saas-backend-server:1.0-SNAPSHOT, /data/jenkins/workspace/saas-backend-job/src/saas-backend-server/pom.xml, line 135, column 25
</span><span class=warning-inline>[WARNING] 
</span><span class=warning-inline>[WARNING] Some problems were encountered while building the effective model for com.bcxin:saas-backend-server:pom:1.0-SNAPSHOT
</span><span class=warning-inline>[WARNING] 'dependencyManagement.dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.projectlombok:lombok:jar -&gt; duplicate declaration of version 1.18.16 @ line 68, column 25
</span><span class=warning-inline>[WARNING] 'dependencyManagement.dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.apache.httpcomponents:httpclient:jar -&gt; duplicate declaration of version 4.4 @ line 88, column 25
</span><span class=warning-inline>[WARNING] 'dependencyManagement.dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.slf4j:slf4j-api:jar -&gt; duplicate declaration of version 1.7.30 @ line 98, column 25
</span><span class=warning-inline>[WARNING] 'dependencyManagement.dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: cn.hutool:hutool-all:jar -&gt; version 4.5.1 vs 5.3.10 @ line 135, column 25
</span><span class=warning-inline>[WARNING] 
</span><span class=warning-inline>[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
</span><span class=warning-inline>[WARNING] 
</span><span class=warning-inline>[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
</span><span class=warning-inline>[WARNING] 
</span>[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO] 
[INFO] saas-backend-server                                                [pom]
[INFO] saas-backend-core                                                  [jar]
[INFO] saas-backend-domain                                                [jar]
[INFO] saas-backend-task                                                  [jar]
[INFO] saas-backend-job                                                   [jar]
[INFO] 
[INFO] -------------------&lt; com.bcxin:saas-backend-server &gt;--------------------
[INFO] Building saas-backend-server 1.0-SNAPSHOT                          [1/5]
[INFO]   from pom.xml
[INFO] --------------------------------[ pom ]---------------------------------
[INFO] 
[INFO] <b class=maven-mojo>--- maven-clean-plugin:3.2.0:clean (default-clean) @ saas-backend-server ---
</b>