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Cannot Assign Instance Of To Field

How do I sort files into a sub-folder based on filename part? ERROR: Processing failed due to a bug in the code. Thanks Anand JasperReports Library anand_ganesh 6 Joined: Feb 17 2011 - 10:48am Last seen: 5 years 8 months ago 6 Answers: 0 Posted on February 24, 2011 at 8:29am Hi, Could Was apparently fixed in ef5b34289131b737a4329fc6544015e79be01c96. http://electrictricycle.net/cannot-assign/cannot-assign-instance-of-proxy0-to-field.html

import java.io.Serializable; import java.util.ArrayList; public class Graph implements Serializable{ public String gid = ""; public ArrayList vertices = new ArrayList(); public ArrayList edges = new ArrayList(); public Graph() { } public Newton's second law for individual forces What did John Templeton mean when he said that the four most dangerous words in investing are: ‘this time it’s different'? share|improve this answer answered Dec 11 '11 at 14:55 manocha_ak 741416 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign Should I have to upgrade all apps on the server ? http://stackoverflow.com/questions/8463898/java-lang-classcastexception-socket-readobject

The other variable length places (such as how it reads field values for object) are dictated by the class descriptor that the writer sends, so the reader can't get out of What happens if there are other WebApps in Tomcat and those Apps need the older version of jasperreports.jar files ? I changed one method signature and broke 25,000 other classes. Even the arbitrary byte[] data written gets enveloped into TC_BLOCKDATA, so you can't make a reader get out of sync by reading more bytes from read(byte[]) than you wrote.

Why had Dumbledore accepted Lupin's resignation? Either by upgrading all apps to use JR4.0 (if possible), or by moving this single app using 4.0 on a separate tomcat server. Atlassian DashboardsProjectsIssuesCaptureGetting started Help JIRA Core help Keyboard Shortcuts About JIRA JIRA Credits Log In Register for Jenkins World Join the Jenkins community at "Jenkins World" in Santa Clara, California from what was I going to say again?

I don't really know what's going on, so I tried a solution posted in this question that had the same exception as I'm getting, but despite lots of research on ClassLoaders, Why does Friedberg say that the role of the determinant is less central than in former times? share|improve this answer answered Dec 11 '11 at 12:32 Udo Held 7,54393462 Thanks for your reply! Does a key signature go before or after a bar line?

Why do I never get a mention at work? May be capture it with as much information as you can. A serialized file is not a text file. Should be fixed in 1.38 version of the plugin.

I found a workaround (which is not the best one, but it works) for now. https://issues.jenkins-ci.org/browse/JENKINS-19046 javax.ejb.EJBException: Unknown Container Exception: java.rmi.RemoteException: E rror reading response from server (OEJP/3.1) : cannot assign instance of net.sf. Borders table Latex I changed one method signature and broke 25,000 other classes. Atlassian Skip to main content area Products Solutions Services Resources Search Main menu ProductsJasperReports Server Jaspersoft Studio JasperReports Library Jaspersoft ETL Visualize.js Answers Exchange Docs Wiki Planet Tracker Jaspersoft.com Support Community

Not the answer you're looking for? this contact form Were the Smurfs the first to smurf their smurfs? Hello, I'm having trouble understanding this stack trace and error message in my code. So unless the sequence of bytes are tampered after it left ObjectOutputStream and before read by ObjectInputStream , the framing logic feels ironcrad.

Sometimes (not always) I get the following crash: java.lang.ClassCastException: cannot assign instance of messages.ObjectMessage to field messages.BigMessage.event of type events.Events in instance of messages.ObjectMessage at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2032) at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1212) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1953) at How can I avoid being chastised for a project I inherited which was already buggy, but I was told to add features instead of fixing it? This loop isn't valid: while( (obj = (Graph) ois.readObject()) != null) readObject() doesn't return null at end of stream. http://electrictricycle.net/cannot-assign/cannot-assign-instance-of-java-lang-string-to-field.html asked 3 years ago viewed 866 times active 3 years ago Linked 21 How can I deserialize the object, if it was moved to another package or renamed? 7 readResolve not

jasperreports.engine.fill.JRTemplateText to field net.sf.jasperreports.engine.ba se.JRBaseParagraph.paragraphContainer of type net.sf.jasperreports.engine.JRPara graphContainer in instance of net.sf.jasperreports.engine.base.JRBaseParagraph; nested exception is:         java.lang.ClassCastException: cannot assign instance of net.sf.jasperrep orts.engine.fill.JRTemplateText to field net.sf.jasperreports.engine.base.JRBase Paragraph.paragraphContainer of type net.sf.jasperreports.engine.JRParagraphCont Wait... It has definitely been changed at least once for at least one data (data/row in lose terms).

The object state being deserialized has a String for a value of the field Element.posElement ...

It seems like Class 1 is trying to be cast to String as the name field of Class 2. Here is the stack trace (class names changed) of the problem I'm encountering: java.lang.ClassCastException: cannot assign instance of [CLASS 1] to field [CLASS 2].name of type java.lang.String in instance of [CLASS Notably the constructor of Class 2 has an added field (String name) since the file I'm trying to deserialize was serialized. Does that make sense?

Graph class is as... more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation The problem is with the Serialized version of your class only. Check This Out Or Is there a way to tell Java to load Jasperreport 4 libraries for this specific application alone ?

ERROR: Processing failed due to a bug in the code. What now? Ditto for primitive values. Normally, the object reader would complain about incompatible versions, but I suspect that you have: - added serialVersionId constants to your classes, and - failed to update the serialVersionId for Element