whitesource-plugin 18.2 is a post-build action.

stack:

 
ERROR: Asynchronous execution failure
java.util.concurrent.ExecutionException: java.lang.Error: Failed to deserialize the Callable object.
at hudson.remoting.Channel$2.adapt(Channel.java:988)
at hudson.remoting.Channel$2.adapt(Channel.java:983)
at hudson.remoting.FutureAdapter.get(FutureAdapter.java:55)
at hudson.maven.AbstractMavenBuilder.waitForAsynchronousExecutions(AbstractMavenBuilder.java:186)
at hudson.maven.Maven3Builder.call(Maven3Builder.java:146)
at hudson.maven.Maven3Builder.call(Maven3Builder.java:70)
at hudson.remoting.UserRequest.perform(UserRequest.java:210)
at hudson.remoting.UserRequest.perform(UserRequest.java:53)
at hudson.remoting.Request$2.run(Request.java:364)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.Error: Failed to deserialize the Callable object.
at hudson.remoting.UserRequest.perform(UserRequest.java:194)
at hudson.remoting.UserRequest.perform(UserRequest.java:53)
at hudson.remoting.Request$2.run(Request.java:364)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
at org.jenkinsci.remoting.CallableDecorator.call(CallableDecorator.java:19)
at hudson.remoting.CallableDecoratorList$1.call(CallableDecoratorList.java:21)
at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
... 4 more
Suppressed: hudson.remoting.Channel$CallSiteStackTrace: Remote call to channel
at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1737)
at hudson.remoting.UserResponse.retrieve(UserRequest.java:313)
at hudson.remoting.Channel$2.adapt(Channel.java:986)
at hudson.remoting.Channel$2.adapt(Channel.java:983)
at hudson.remoting.FutureAdapter.get(FutureAdapter.java:55)
at hudson.maven.AbstractMavenBuilder.waitForAsynchronousExecutions(AbstractMavenBuilder.java:186)
at hudson.maven.Maven3Builder.call(Maven3Builder.java:146)
at hudson.maven.Maven3Builder.call(Maven3Builder.java:70)
at hudson.remoting.UserRequest.perform(UserRequest.java:210)
at hudson.remoting.UserRequest.perform(UserRequest.java:53)
at hudson.remoting.Request$2.run(Request.java:364)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
... 4 more
Caused by: java.lang.SecurityException: Rejected: org.whitesource.agent.api.model.DependencyInfo; see
https://jenkins.io/redirect/class-filter/
at hudson.remoting.ClassFilter.check(ClassFilter.java:76)
at hudson.remoting.MultiClassLoaderSerializer$Input.resolveClass(MultiClassLoaderSerializer.java:129)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1863)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1746)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2037)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1568)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:428)
at java.util.HashSet.readObject(HashSet.java:341)
at sun.reflect.GeneratedMethodAccessor803.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1158)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2173)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2064)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1568)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2282)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2206)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2064)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1568)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2282)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2206)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2064)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1568)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:428)
at hudson.remoting.UserRequest.deserialize(UserRequest.java:277)
at hudson.remoting.UserRequest.perform(UserRequest.java:188)
... 10 more