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

via GitHub by Patrick1701
, 1 year ago
A component without a parent is detected. A problem occurred while checking object with type: org.apache.wicket.markup.html.basic.Label Field hierarchy is: 9 [class=de.xyz.MyPage, path=9] private java.lang.Object org.apache.wicket.MarkupContainer.chi
via Stack Overflow by Asha Joshi
, 1 year ago
The object type is not Serializable! A problem occurred while checking object with type: java.util.concurrent.ScheduledThreadPoolExecutor private final java.util.concurrent.ScheduledExecutorService Test.scheduler [class=java.util.concurr
via GitHub by dmbeer
, 2 years ago
The object type is not Serializable! A problem occurred while checking object with type: de.agilecoders.wicket.core.markup.html.bootstrap.form.ControlGroup$FeedbackMessageToCssClassNameTransformer Field hierarchy is: 1 [class=com.copperarrow.dvcs.w
via Apache's JIRA Issue Tracker by Dan Haywood, 1 year ago
The object type is not Serializable! A problem occurred while checking object with type: org.apache.wicket.RequestListenerInterface Field hierarchy is: 9 [class=org.apache.isis.viewer.wicket.ui.pages.error.ErrorPage, path=9] private java.lang.O
Empty query.