classnotfoundexception

can a .class file be added to the urlpath of a URLClassLoader

I have a custom class loader which extends from a URLClassLoader. I added a .class file to the urlpath using addURL(); but when i do a class.forname() using this loader i get a ClassNotFoundException. However, if i create a jar and add the jar to the urlpath, i do not get any exception. Using addURL(), can we add a .class file or a dir...

com.mysql.jdbc.Driver ClassNotFoundException

I'm getting ClassNotFoundException on Class.forname("com.mysql.jdbc.Driver") I'm using Windows Vista 64-bit, Eclipse Galileo, GWT framework. I downloaded mysql-connector-java-5.1.6-bin, but what is the exact path I should put this file in? I'm getting this exception while I'm in gwt-projects, but in normal projects it works good. Any ide...

java.lang.ClassNotFoundException: org.springframework.ui.ModelMap

I create a simple webapp using tomcat 6, spring 2.5.6 and maven. The problem is when I boot up tomcat, I am getting the following errors: SEVERE: StandardWrapper.Throwable java.lang.NoClassDefFoundError: org/springframework/ui/ModelMap ... Caused by: java.lang.ClassNotFoundException: org.springframework.ui.ModelMap The ModelMap class...

readobject method throws ClassNotFoundException

Hi all, I'm trying to pick up Java and wanted to test around with Java's client/server to make the client send a simple object of a self defined class(Message) over to the server. The problem was that I kept getting a ClassNotFoundException on the server side. I think the rest of the codes seem to be alright because other objects such ...

Tomcat Restart automatically Web Application on startup, after error

Hi, I've a big trouble on tomcat. Before explaine, let me tell is the first time I see something like this... I'm building an application using JPA on Hibernate, Spring 3.0 and Jersey REST Framework. When using glassfish, everything works fine, but deployng the same application on tomcat, I registered the following error code: GR...

Java.lang.NoClassDefFoundError java.lang.StringBuilder from code using java.lang.StringBuffer

Hi, I know there are plenty of questions regarding this error, but I haven't found it easy to find one exactly like mine. Here goes. I have a pretty small application that writes DB data to a csv file and then uploads it to a server. I have it running on my local box out of eclipse which is great, but the final version needs to be run...

ClassNotFoundException Android

Hey y'all, So I ran into a problem today while working on my Android program. I have a class that turns that an XML string into a Java object (third party) and it works fine in as a regular java project but on Android I get this weird error: 06-21 22:44:26.402: DEBUG/App(259): java.lang.ClassNotFoundException: com.package.mycode.Class ...

Trying to load .class files in Eclipse

Hi, For a class we were given a bunch of .class files that we are supposed to use. I have them located in a folder called lib. I think I added the folder correctly to the build path correctly since a folder titled "Reference Libraries" appeared under my Project pane with a folder called lib containing all of the class files. The proble...

Jar works with standalone hadoop, but not on the actual cluster (java.lang.ClassNotFoundException: org.jfree.data.xy.XYDataset)

Hi, I am trying to build my project using eclipse on windows and execute on a linux cluster. The project depends on some external jars, which I enclosed using eclipse's "Export->Runnable JAR -> Package required library into jar" build option. I checked the jar contains the classes within a folder structure, and the external jars are in ...

NetBeans refactor class: java.lang.NoClassDefFoundError

I just came across an error when using NetBeans, and I wanted to post my findings (possible this is old news). Perhaps this will save some people the headache of debugging a similar problem that I just encountered. I don't think I'm abusing anything here... stack overflow's SEO is pretty good :) I refactored a class in NetBeans (JavaFX ...

Problem in implementing Parcelable containing other Parcelable

I'm implementing Parcelable class that has another Parcelable insde. In OuterParcelable class: @Override public void writeToParcel(Parcel dest, int flags) { Bundle tmp = new Bundle(); tmp.putParcelable("innerParcelable", mParcelable); dest.writeBundle(tmp); and then: public OuterParcelable(Parcel parcel) { super(); ...

ClassNotFoundException axiom-api-1.2.7.jar

Hi Guys, I am getting this exception in my java project Caused by: java.lang.ClassNotFoundException: org.apache.axiom.om.OMDataSource at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java...

ClassNotFoundException for one class but not another from same package?

I am working on a grails project and I have put a .jar file in the lib directory of the project. I keep getting a runtime exception for ClassNotFoundException in one of my java files that I am using in the grails project. I have a method defined as such: void printValues(org.docx4j.wml.ParaRPr rpr){ } and I have and import section t...

Android: com.sun.org.apache.xerces.internal.dom: classNotFoundException

Hi. I am developing an android application at the moment, and i'm facing a problem that i have no idea how to solve. My application communicates with a Tomcat Server, and i'm using ObjectOutputStream to send a Document object to my application from my servlet. There fore, i'm importing org.w3c.dom to my project. The problem i'm facing is...

java.lang.ClassNotFoundException on working app

I have created and published my first android app. It's very simple. It works fine on simulator and some phones, but I am getting this error: java.lang.RuntimeException: Unable to instantiate application cz.teamnovak.droid.Novak ESC Track guide: java.lang.ClassNotFoundException: cz.teamnovak.droid.Novak ESC Track guide in loader dalvik....

ClassNotFoundException with PHP/Java Bridge and my own classes

So I've been googling (and searching here) for about 2 days trying to figure this out and I've had no success. I have a linux server setup with Apache2.2, Tomcat6, and PHP/Jave bridge. I've followed the instructions on the javabridge site to install and do their samples, which work fine. This consists of downloading the JavaBridge.war f...

Android Socket + ObjectOutputStream not working correctly

Hey guys. I am developing a client/server program where the client is an android device. The server has a listener class that reads an object from the input stream. I created a client software for another COMPUTER that sends a small object over a local network. Computer to Computer works perfectly fine, i read the object and printed the...

Debugging a ClassNotFoundException

In my code, I have a nestted class that holds an object and an integer. This is to mark the beginning and end locations for a sublist method. The code executes to the point that the object and integer have established values. I've verified this in the debugger. The next line then calls ListLoc<E> startNode= new ListLoc<E>(start, star...