Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

java.lang.IllegalArgumentException: Runtime App Engine has not been defined.	at org.eclipse.wst.common.project.facet.core.runtime.internal.RuntimeManagerImpl.getRuntime(RuntimeManagerImpl.java:210)	at org.eclipse.wst.common.project.facet.core.runtime.RuntimeManager.getRuntime(RuntimeManager.java:120)	at com.google.cloud.tools.eclipse.appengine.newproject.CreateAppEngineStandardWtpProject.installAppEngineRuntime(CreateAppEngineStandardWtpProject.java:114)	at com.google.cloud.tools.eclipse.appengine.newproject.CreateAppEngineStandardWtpProject.execute(CreateAppEngineStandardWtpProject.java:81)	at org.eclipse.ui.actions.WorkspaceModifyOperation$1.run(WorkspaceModifyOperation.java:108)	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241)	at org.eclipse.ui.actions.WorkspaceModifyOperation.run(WorkspaceModifyOperation.java:130)	at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:119)