Important Notice - Forums is archived
To simplify things and help our users to be more productive, we have archived the current forum and focus our efforts on helping developers on Stack Overflow. You can post new questions on Stack Overflow or join our Discord channel.

Vaadin lets you build secure, UX-first PWAs entirely in Java.
Free ebook & tutorial.
Problems Visual Editor
Hey Folks,
i´m new with Vaadin! Just started two weeks ago.
I upgrade my Vaadin to Pro version to work with the Visual Editor tool.
I´ve tryed to create a new project to work with the editor.
New - Vaadin7.
Than
Right Click on th Project - new - othes - Vaadin - VaadinDesign --> next
After hit next, the wizard apears and i type in the Name ( Design und java locataion are allready filled in )
Than a Task open with a blank page, i click vaadin and in the right corner i see the Palette of Layouts or components.
But the page where i expect to drag an drop the Layouts or components shows only a loading wheel wich is loading the whole time.
I would realy appreciate your help
thank you
The Console shows
Mai 14, 2015 7:44:58 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNUNG: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:testProjek' did not find a matching property.
Mai 14, 2015 7:44:58 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNUNG: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:Ed4u' did not find a matching property.
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: Server version: Apache Tomcat/8.0.22
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: Server built: Apr 29 2015 11:46:15 UTC
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: Server number: 8.0.22.0
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: OS Name: Windows 7
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: OS Version: 6.1
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: Architecture: amd64
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: Java Home: C:\Program Files\Java\jre1.8.0_45
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: JVM Version: 1.8.0_45-b15
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: JVM Vendor: Oracle Corporation
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: CATALINA_BASE: C:\Users\alexander\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: CATALINA_HOME: C:\Program Files\Tools\apache-tomcat-8.0.22
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: Command line argument: -Dcatalina.base=C:\Users\alexander\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: Command line argument: -Dcatalina.home=C:\Program Files\Tools\apache-tomcat-8.0.22
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: Command line argument: -Dwtp.deploy=C:\Users\alexander\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: Command line argument: -Djava.endorsed.dirs=C:\Program Files\Tools\apache-tomcat-8.0.22\endorsed
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.VersionLoggerListener log
INFORMATION: Command line argument: -Dfile.encoding=Cp1252
Mai 14, 2015 7:44:58 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFORMATION: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jre1.8.0_45\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files/Java/jre1.8.0_45/bin/server;C:/Program Files/Java/jre1.8.0_45/bin;C:/Program Files/Java/jre1.8.0_45/lib/amd64;C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\AMD\ATI.ACE\Core-Static;C:\Program Files\Eclipse\eclipse;;.
Mai 14, 2015 7:44:58 PM org.apache.coyote.AbstractProtocol init
INFORMATION: Initializing ProtocolHandler ["http-nio-8080"]
Mai 14, 2015 7:44:58 PM org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
INFORMATION: Using a shared selector for servlet write/read
Mai 14, 2015 7:44:58 PM org.apache.coyote.AbstractProtocol init
INFORMATION: Initializing ProtocolHandler ["ajp-nio-8009"]
Mai 14, 2015 7:44:58 PM org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
INFORMATION: Using a shared selector for servlet write/read
Mai 14, 2015 7:44:58 PM org.apache.catalina.startup.Catalina load
INFORMATION: Initialization processed in 639 ms
Mai 14, 2015 7:44:58 PM org.apache.catalina.core.StandardService startInternal
INFORMATION: Starting service Catalina
Mai 14, 2015 7:44:58 PM org.apache.catalina.core.StandardEngine startInternal
INFORMATION: Starting Servlet Engine: Apache Tomcat/8.0.22
Mai 14, 2015 7:44:59 PM org.apache.jasper.servlet.TldScanner scanJars
INFORMATION: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
Mai 14, 2015 7:44:59 PM org.apache.catalina.core.ApplicationContext log
INFORMATION: Initializing AtmosphereFramework
Mai 14, 2015 7:45:00 PM org.apache.jasper.servlet.TldScanner scanJars
INFORMATION: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
Mai 14, 2015 7:45:00 PM org.apache.catalina.core.ApplicationContext log
INFORMATION: Initializing AtmosphereFramework
Mai 14, 2015 7:45:00 PM org.apache.coyote.AbstractProtocol start
INFORMATION: Starting ProtocolHandler ["http-nio-8080"]
Mai 14, 2015 7:45:00 PM org.apache.coyote.AbstractProtocol start
INFORMATION: Starting ProtocolHandler ["ajp-nio-8009"]
Mai 14, 2015 7:45:00 PM org.apache.catalina.startup.Catalina start
INFORMATION: Server startup in 2640 ms
Mai 14, 2015 7:45:01 PM com.vaadin.server.DefaultDeploymentConfiguration checkProductionMode
WARNUNG:
=================================================================
Vaadin is running in DEBUG MODE.
Add productionMode=true to web.xml to disable debug features.
To show debug window, add ?debug to your application URL.
=================================================================
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework addAtmosphereHandler
INFORMATION: Installed AtmosphereHandler com.vaadin.server.communication.PushHandler$1 mapped to context-path: /*
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework addAtmosphereHandler
INFORMATION: Installed the following AtmosphereInterceptor mapped to AtmosphereHandler com.vaadin.server.communication.PushHandler$1
Mai 14, 2015 7:45:01 PM org.atmosphere.util.IOUtils readServiceFile
INFORMATION: META-INF/services/org.atmosphere.cpr.AtmosphereFramework not found in class loader
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework doInitParams
WARNUNG: SessionSupport error. Make sure you define org.atmosphere.cpr.SessionSupport as a listener in web.xml instead
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework autoConfigureService
INFORMATION: Atmosphere is using org.atmosphere.util.VoidAnnotationProcessor for processing annotation
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework autoDetectWebSocketHandler
INFORMATION: Auto detecting WebSocketHandler in /WEB-INF/classes/
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework initWebSocket
INFORMATION: Installed WebSocketProtocol org.atmosphere.websocket.protocol.SimpleHttpProtocol
Mai 14, 2015 7:45:01 PM org.atmosphere.container.JSR356AsyncSupport <init>
INFORMATION: JSR 356 Mapping path /{path}
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework configureAtmosphereInterceptor
INFORMATION: Installing Default AtmosphereInterceptor
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework newAInterceptor
INFORMATION: org.atmosphere.interceptor.CorsInterceptor : CORS Interceptor Support
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework newAInterceptor
INFORMATION: org.atmosphere.interceptor.CacheHeadersInterceptor : Default Response's Headers Interceptor
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework newAInterceptor
INFORMATION: org.atmosphere.interceptor.PaddingAtmosphereInterceptor : Browser Padding Interceptor Support
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework newAInterceptor
INFORMATION: org.atmosphere.interceptor.AndroidAtmosphereInterceptor : Android Interceptor Support
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework configureAtmosphereInterceptor
INFORMATION: Dropping Interceptor org.atmosphere.interceptor.HeartbeatInterceptor
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework newAInterceptor
INFORMATION: org.atmosphere.interceptor.SSEAtmosphereInterceptor : SSE Interceptor Support
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework newAInterceptor
INFORMATION: org.atmosphere.interceptor.JSONPAtmosphereInterceptor : JSONP Interceptor Support
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework newAInterceptor
INFORMATION: org.atmosphere.interceptor.JavaScriptProtocol : Atmosphere JavaScript Protocol
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework newAInterceptor
INFORMATION: org.atmosphere.interceptor.WebSocketMessageSuspendInterceptor : org.atmosphere.interceptor.WebSocketMessageSuspendInterceptor
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework newAInterceptor
INFORMATION: org.atmosphere.interceptor.OnDisconnectInterceptor : Browser disconnection detection
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework newAInterceptor
INFORMATION: org.atmosphere.interceptor.IdleResourceInterceptor : org.atmosphere.interceptor.IdleResourceInterceptor
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework configureAtmosphereInterceptor
INFORMATION: Set org.atmosphere.cpr.AtmosphereInterceptor.disableDefaults to disable them.
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Using EndpointMapper class org.atmosphere.util.DefaultEndpointMapper
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Using BroadcasterCache: org.atmosphere.cache.UUIDBroadcasterCache
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Default Broadcaster Class: org.atmosphere.cpr.DefaultBroadcaster
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Broadcaster Polling Wait Time 100
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Shared ExecutorService supported: true
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Messaging Thread Pool Size: Unlimited
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Async I/O Thread Pool Size: 200
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Using BroadcasterFactory: org.atmosphere.cpr.DefaultBroadcasterFactory
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Using WebSocketProcessor: org.atmosphere.websocket.DefaultWebSocketProcessor
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Invoke AtmosphereInterceptor on WebSocket message true
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: HttpSession supported: true
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Atmosphere is using DefaultAtmosphereObjectFactory for dependency injection and object creation
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Atmosphere is using async support: org.atmosphere.container.JSR356AsyncSupport running under container: Apache Tomcat/8.0.22 using javax.servlet/3.0 and jsr356/WebSocket API
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework info
INFORMATION: Atmosphere Framework 2.2.4.vaadin5 started.
Mai 14, 2015 7:45:01 PM org.atmosphere.cpr.AtmosphereFramework interceptor
INFORMATION: Installed AtmosphereInterceptor Track Message Size Interceptor using | with priority BEFORE_DEFAULT
Mai 14, 2015 7:50:05 PM org.apache.catalina.core.StandardContext reload
INFORMATION: Reloading Context with name [/testProjek] has started
Mai 14, 2015 7:50:05 PM org.apache.catalina.session.StandardManager doUnload
SCHWERWIEGEND: IOException while saving persisted sessions: java.io.FileNotFoundException: C:\Users\alexander\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\work\Catalina\localhost\testProjek\SESSIONS.ser (Das System kann den angegebenen Pfad nicht finden)
java.io.FileNotFoundException: C:\Users\alexander\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\work\Catalina\localhost\testProjek\SESSIONS.ser (Das System kann den angegebenen Pfad nicht finden)
at java.io.FileOutputStream.open0(Native Method)
at java.io.FileOutputStream.open(Unknown Source)
at java.io.FileOutputStream.<init>(Unknown Source)
at java.io.FileOutputStream.<init>(Unknown Source)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:354)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:320)
at org.apache.catalina.session.StandardManager.stopInternal(StandardManager.java:487)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5386)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3739)
at org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:292)
at org.apache.catalina.core.StandardContext.backgroundProcess(StandardContext.java:5528)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1378)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1382)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1382)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1350)
at java.lang.Thread.run(Unknown Source)
Mai 14, 2015 7:50:05 PM org.apache.catalina.session.StandardManager stopInternal
SCHWERWIEGEND: Exception unloading sessions to persistent storage
java.io.FileNotFoundException: C:\Users\alexander\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\work\Catalina\localhost\testProjek\SESSIONS.ser (Das System kann den angegebenen Pfad nicht finden)
at java.io.FileOutputStream.open0(Native Method)
at java.io.FileOutputStream.open(Unknown Source)
at java.io.FileOutputStream.<init>(Unknown Source)
at java.io.FileOutputStream.<init>(Unknown Source)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:354)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:320)
at org.apache.catalina.session.StandardManager.stopInternal(StandardManager.java:487)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5386)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3739)
at org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:292)
at org.apache.catalina.core.StandardContext.backgroundProcess(StandardContext.java:5528)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1378)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1382)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1382)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1350)
at java.lang.Thread.run(Unknown Source)
Mai 14, 2015 7:50:05 PM com.vaadin.server.VaadinSession valueUnbound
WARNUNG: A VaadinSession instance not associated to any service is getting unbound. Session destroy events will not be fired and UIs in the session will not get detached. This might happen if a session is deserialized but never used before it expires.
Mai 14, 2015 7:50:05 PM org.apache.catalina.core.StandardContext reload
SCHWERWIEGEND: Exception starting Context with name [/testProjek]
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/testProjek]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3746)
at org.apache.catalina.loader.WebappLoader.backgroundProcess(WebappLoader.java:292)
at org.apache.catalina.core.StandardContext.backgroundProcess(StandardContext.java:5528)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1378)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1382)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1382)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1350)
at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@57ccfeed]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4845)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4975)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 8 more
Caused by: java.lang.IllegalArgumentException: The main resource set specified [C:\Users\alexander\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\testProjek] is not valid
at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:723)
at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:684)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 11 more
Mai 14, 2015 7:50:05 PM org.apache.catalina.core.StandardContext reload
INFORMATION: Reloading Context with name [/testProjek] is completed
Problem Fixed, by reading old posts!
It was the IE 8 , i installed IE11 and it works.