Check out https://technicalconfessions.com/posts.php?post_id=420

420 WrappedDeploymentException: oracle.iam.platform.OIMClient

java.lang.Exception: Exception received from deployment driver. See Error Log view for more detail.
	at oracle.eclipse.tools.weblogic.server.internal.DeploymentProgressListener.watch(DeploymentProgressListener.java:188)
	at oracle.eclipse.tools.weblogic.server.internal.WlsJ2EEDeploymentHelper.deploy(WlsJ2EEDeploymentHelper.java:509)
	at oracle.eclipse.tools.weblogic.server.internal.WeblogicServerBehaviour.publishWeblogicModules(WeblogicServerBehaviour.java:1503)
	at oracle.eclipse.tools.weblogic.server.internal.WeblogicServerBehaviour.publishToServer(WeblogicServerBehaviour.java:920)
	at oracle.eclipse.tools.weblogic.server.internal.WeblogicServerBehaviour.publishOnce(WeblogicServerBehaviour.java:708)
	at oracle.eclipse.tools.weblogic.server.internal.WeblogicServerBehaviour.publish(WeblogicServerBehaviour.java:555)
	at org.eclipse.wst.server.core.model.ServerBehaviourDelegate.publish(ServerBehaviourDelegate.java:774)
	at org.eclipse.wst.server.core.internal.Server.publishImpl(Server.java:3157)
	at org.eclipse.wst.server.core.internal.Server$PublishJob.run(Server.java:345)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Caused by: weblogic.application.WrappedDeploymentException: oracle.iam.platform.OIMClient
	at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(GenericClassLoader.java:297)
	at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:270)
	at weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:64)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:179)