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Actually, the latter would have given a compiler error since Java 5.0, but before it would have given the error. Spring Interview Questions7. Both the GF and TC bundles are used.I suspect that I am either creating the SB portlet incorrectly or that Eclipse is building things slightly differently than NB. Moving on a tad I am wrestling with getting the correct liferay/hibernate jars in the right place as well. have a peek here
Email address: Join Us With 1,240,600 monthly unique visitors and over 500 authors we are placed among the top Java related sites around. How to append text into File in Java - FileWriter ... How can I check that the voltage output from this voltage divider is 2.25V? I think my problem is slightly different and I'll describe it as best I can. http://javarevisited.blogspot.com/2012/12/how-to-solve-javalangclasscastexception-java.html
Java.lang.classcastexception: Java.lang.string Cannot Be Cast To
I would have thought (and again I am fairly ignorant of the way that servlet classes are loaded by the container) that all of the portal resources are loaded and configured Now the problem I am wrestling with is a BeanDefinitionParsingException that indicates a root cause of a ClassNotFound error where the not-found class is one of the implementation classes in the You are seeing the exception when one of those runtime checks fails.
and strphan for your valuable suggestions . It's also a good idea to refresh your knowledge on type-casting in Java. So my assumption jibes with your experience.At what point in the invocation of the plugin resources do you wait and how often? Java.lang.classcastexception Ljava.lang.object Cannot Be Cast To Basically, you are mixing generic and non-generic code and (you must be) ignoring the resulting compiler warnings about unchecked conversions, use of raw types and so on.
I wanted to create a servlet that uses the services jar created by the Service Bulder. Class Cast Exception Example adding more confusion to me Save India From Corruption - Anna Hazare. Flag Please sign in to flag this as inappropriate. Here is what I am seeing:In the WAR that is generated by Netbeans I see this kind of class structure in the classes folder in WEB-INF:.model.serviceAnd in the package
and the raw type signature is int compareTo(Object). How To Avoid Class Cast Exception In Java Java Error : 'javac' is not recognized as an inter... Mark as an Answer Platform Case Studies and Docs Subscription Services Request a Demo Marketplace Apps Downloads Company Press Releases Careers Contact Us 1400 Montefino Avenue Diamond Bar, CA 91765 USA How small could an animal be before it is consciously aware of the effects of quantum mechanics?
Class Cast Exception Example
Is there a better solution I'm unaware of, or am I doing something wrong here? Sign in to vote. Java.lang.classcastexception: Java.lang.string Cannot Be Cast To Also write your own classes and method to take advantage of Generics to provide type-safety as shown in this example of How to write parameterized class. How To Resolve Class Cast Exception In Java Flag Please sign in to flag this as inappropriate.
We will also see how to minimize or avoid ClassCastException in Java by using Generics, as prevention is always better than cure. http://electrictricycle.net/cannot-be/cannot-be-cast-to-org-w3c-dom-text.html Sounds much simpler. extends K,? What is Constructor in Java with Example - Constru... Java.lang.classcastexception Cannot Be Cast To Same Class
Somehow GF is getting all the right resources in the correct places at the right time and Tomcat does not. Mark as an Answer RE: java.lang.ClassCastException: $ProxyXXX cannot be cast to January 7, 2013 2:26 PM Answer Pete Helgren Rank: Regular Member Posts: 141 Join Date: April 7, 2011 Recent Posts Was there no tax before 1913 in the United States? Check This Out However, the conversion is valid only in cases where a class extends a parent class and the child class is casted to its parent class.For example, the following snippet throws a
java generics classcastexception share|improve this question edited Feb 16 '11 at 19:43 Paŭlo Ebermann 48.5k1087150 asked Feb 16 '11 at 19:30 user506710 As a general rule... Java.lang.string Cannot Be Cast To Class I understand my mistake now. I suspect that this explains the strange exception too.
The problem is that I am storing references to objects in the metaData, while the objects are new objects when I restart the server.
different versions of spring or hibernate or whatnot).It truly is a pain to diagnose and resolve these classpath issues. the /service code). Alternatively, provide us with an SSCCE that we can run ourselves to reproduce this facially impossible behaviour / evidence. http://electrictricycle.net/cannot-be/cannot-be-cast-to-comparable.html danpost 2012/5/8 If you are wanting the button to work in BOTH worlds, change your sendCommand() method to the following: (btw, no need to ask if myWorld is null as button
The Netbeans generated war and service jar works fine when deployed to LR. Ah well SCJP 1.4 - SCJP 6 - SCWCD 5 - OCEEJBD 6 - OCEJPAD 6 How To Ask Questions How To Answer Questions Stephan van Hulst Bartender Posts: 6491 Last edited by a moderator: 8, 2016 I_TK_I, 12, 2014 #1 (You must log in or sign up to reply here.) Show Ignored Content Thread Status: Not open for further replies. With this combination all is well with the NB generated SB portlet and my servlet.Okay, this is neither an NB or Eclipse issue, this is just a deployment issue.
Mark as an Answer RE: java.lang.ClassCastException: $ProxyXXX cannot be cast to January 8, 2013 10:01 AM Answer Pete Helgren Rank: Regular Member Posts: 141 Join Date: April 7, 2011 Recent Posts The servlet is trying to access the service before the service is set up and ready to go. You didn't provide a Comparator so the TreeSet casted the element to a comparable and that caused the Exception because your class didn't implement it.