Относительно журнала ошибок Eclipse:
org.osgi.framework.BundleException: Could not resolve module: org.wso2.developerstudio.eclipse.artifact.webapp [1136]
Unresolved requirement: Import-Package: org.apache.maven.model
at org.eclipse.osgi.container.Module.start(Module.java:451)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1783)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1762)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1725)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1656)
at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:233)
at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:343)
отсутствует плагин, содержащий org.apache.maven.model.
Изучив вход в Eclipse Marketplace (https://marketplace.eclipse.org/content/wso2-developer-studio), похоже, они не предлагают никакой версии для последней версии Eclipse.