CODEWITHSUNDEEP
javaeclipsemaventomcatvaadin7
Juneyoung Oh
Juneyoung Oh

Reputation: 7642

Vaadin7 Project wirh Maven + Tomcat7 compile error

Hi I'm working with Vaadin7 Project.

I am having a hard time with compiling the project.

I really frustrated since I could not run a Simple HelloWorld Project :-(

I am using eclipse Kepler on OSX.

What I have done and tried are below.

There is no web.xml and I really do not know where to fix this.

I think it is quite near to watch 'click' button in Chrome, but can not find.

My Error Log is below

SEVERE: ClassNotFoundException while loading persisted sessions: java.lang.ClassNotFoundException: org.owls.test.VaadinMay.MyVaadinUI
java.lang.ClassNotFoundException: org.owls.test.VaadinMay.MyVaadinUI
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1702)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1547)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:270)
    at org.apache.catalina.util.CustomObjectInputStream.resolveClass(CustomObjectInputStream.java:76)
    at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1612)
    at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517)
    at java.io.ObjectInputStream.readClass(ObjectInputStream.java:1483)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1333)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
    at java.util.HashMap.readObject(HashMap.java:1183)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
    at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
    at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
    at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
    at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
    at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:500)
    at com.vaadin.server.VaadinSession.readObject(VaadinSession.java:1436)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
    at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
    at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1597)
    at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:1062)
    at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:284)
    at org.apache.catalina.session.StandardManager.load(StandardManager.java:204)
    at org.apache.catalina.session.StandardManager.startInternal(StandardManager.java:491)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5443)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)

Jun 01, 2014 10:39:41 PM org.apache.catalina.session.StandardManager startInternal
SEVERE: Exception loading sessions from persistent storage
java.lang.ClassNotFoundException: org.owls.test.VaadinMay.MyVaadinUI
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1702)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1547)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:270)
    at org.apache.catalina.util.CustomObjectInputStream.resolveClass(CustomObjectInputStream.java:76)
    at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1612)
    at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517)
    at java.io.ObjectInputStream.readClass(ObjectInputStream.java:1483)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1333)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
    at java.util.HashMap.readObject(HashMap.java:1183)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
    at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
    at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
    at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
    at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
    at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:500)
    at com.vaadin.server.VaadinSession.readObject(VaadinSession.java:1436)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
    at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
    at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1597)
    at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:1062)
    at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:284)
    at org.apache.catalina.session.StandardManager.load(StandardManager.java:204)
    at org.apache.catalina.session.StandardManager.startInternal(StandardManager.java:491)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5443)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)

Thanks for sharing my problem :D

============ Edited on 06/02/2014 =======================

My maven clean looks fine. I attached logs

[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building Vaadin Web Application 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ VaadinMvn ---
[INFO] Deleting /Users/juneyoungoh/Documents/vaadinwork/VaadinMvn/target
[INFO] 
[INFO] --- vaadin-maven-plugin:7.1.8:clean (default) @ VaadinMvn ---
[INFO] auto discovered modules [org.owls.test.VaadinMvn.AppWidgetSet]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.496s
[INFO] Finished at: Mon Jun 02 21:32:12 KST 2014
[INFO] Final Memory: 6M/81M
[INFO] ------------------------------------------------------------------------

========= Edit #02 ========================

Upper one is Maven clean, and I found an error in Maven build.

I think it could be a clue.

[INFO] --- vaadin-maven-plugin:7.1.8:update-theme (default) @ VaadinMvn ---
[INFO] Updating theme VAADIN/themes/mytheme
[ERROR] Jun 02, 2014 10:22:16 PM com.vaadin.server.widgetsetutils.ClassPathExplorer getAvailableWidgetSetsAndStylesheets
[ERROR] INFO: Widgetsets found from classpath:
[ERROR]     com.vaadin.DefaultWidgetSet in jar:file:/Users/juneyoungoh/.m2/repository/com/vaadin/vaadin-client/7.1.8/vaadin-client-7.1.8.jar!/
[ERROR]     com.vaadin.addon.charts.Widgetset in jar:file:/Users/juneyoungoh/.m2/repository/com/vaadin/addon/vaadin-charts/1.0.0/vaadin-charts-1.0.0.jar!/
[ERROR]     com.vaadin.addon.timeline.gwt.TimelineWidgetSet in jar:file:/Users/juneyoungoh/.m2/repository/com/vaadin/addon/vaadin-charts/1.0.0/vaadin-charts-1.0.0.jar!/
[ERROR]     org.owls.test.VaadinMvn.AppWidgetSet in file:/Users/juneyoungoh/Documents/vaadinwork/VaadinMvn/src/main/java
[ERROR] Addon styles found from classpath:
[ERROR] 
[ERROR] Jun 02, 2014 10:22:17 PM com.vaadin.server.widgetsetutils.ClassPathExplorer getAvailableWidgetSetsAndStylesheets
[ERROR] INFO: Search took 27ms

And I found a post in Vaadin forums. but it does not look like my problem. it is about Ivy setting. However link is below

https://vaadin.com/forum/#!/thread/3529974

Upvotes: 0

Views: 447

Answers (1)

Morfic
Morfic

Reputation: 15508

1) SEVERE: ClassNotFoundException while loading persisted sessions:java.lang.ClassNotFoundException: org.owls.test.VaadinMay.MyVaadinUI pops up because Tomcat is trying to deserialize a previously saved session, and you might have changed some class names in the meantime. This can be disabled globally by editing the CATALINA_HOME/conf/context.xml file. You should find a line reading "Uncomment this to disable session..." More about this here

2) HTTP 404 should have nothing to do with the point above, and is most likely due to your servlet configuration. Since you have no web.xml, everything should be set-up from inside your UI. Open MyVaadinUi, or whatever you have renamed it to, and see the configuration for the URL path mapping as described in the vaadin documentation (scroll down to chapter 4.8.5 Servlet Mapping with URL Patterns). Make sure you are accessing the application on localhost as per this configuration and you should be fine.

Upvotes: 1

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