Starting up my eclipse mars.2 in error log I find this error:
eclipse.buildId=4.5.2.M20160212-1500
java.version=1.8.0_25
java.vendor=Oracle Corporation
BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=it_IT
Framework arguments: -product org.eclipse.epp.package.jee.product -keyring /Users/vittorio/.eclipse_keyring -showlocation
Command-line arguments: -os macosx -ws cocoa -arch x86_64 -product org.eclipse.epp.package.jee.product -keyring /Users/vittorio/.eclipse_keyring -showlocation
com.vaadin.integration.eclipse
Warning
Mon May 09 16:08:43 CEST 2016
Could not check Vaadin version in project SWING_AVVISI_ECLIPSE
org.eclipse.core.runtime.CoreException: Unable to find WEB-INF/lib folder. Ensure the project is a dynamic web project.
at com.vaadin.integration.eclipse.util.ErrorUtil.newCoreException(ErrorUtil.java:141)
at com.vaadin.integration.eclipse.util.ProjectUtil.getWebInfLibFolder(ProjectUtil.java:214)
at com.vaadin.integration.eclipse.util.ProjectUtil.getVaadinLibraryInProject(ProjectUtil.java:481)
at com.vaadin.integration.eclipse.util.ProjectUtil.getVaadinLibraryVersion(ProjectUtil.java:456)
at com.vaadin.integration.eclipse.notifications.jobs.nightly.ReportVaadinUsageStatistics.getVaadinProjects(ReportVaadinUsageStatistics.java:129)
at com.vaadin.integration.eclipse.notifications.jobs.nightly.ReportVaadinUsageStatistics.reportUsage(ReportVaadinUsageStatistics.java:99)
at com.vaadin.integration.eclipse.notifications.jobs.nightly.ReportVaadinUsageStatistics.run(ReportVaadinUsageStatistics.java:90)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
All ok but the project SWING_AVVISI_ECLIPSE
is NOT a Vaadin project!!!