No Class Def Found Error In Java Eclipse
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Java.lang.noclassdeffounderror In Eclipse At Runtime
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Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each exception in thread main java lang noclassdeffounderror eclipse other. Join them; it only takes a minute: Sign up Strange “java.lang.NoClassDefFoundError” in Eclipse up vote 2 down vote favorite i am testing a J2me project when i run it is giving java.lang.NoClassDefFoundError: org/cdac/securitycore/storage/StorageBridge. I had included a jar file which contains StorageBridge.class even i checked the class path also my jar file compiled at 1.5 compilence & an internal error occurred during: children my application is building with 1.3 compilence is this the reason for creating a problem java java-me share|improve this question edited May 9 '13 at 5:02 asked May 9 '13 at 4:33 user2307155 5518 please add some code, that would be great and we can advice you then..!! –CRazyProgrammer May 9 '13 at 4:35 java.lang.NoClassDefFoundError: org/cdac/securitycore/storage/StorageBridge at com.sun.midp.midlet.MIDletState.createMIDlet(+29) at com.sun.midp.midlet.Scheduler.schedule(+52) at com.sun.midp.main.Main.runLocalClass(+28) at com.sun.midp.main.Main.main(+80) Execution completed. 3401700 bytecodes executed 26 thread switches 1668 classes in the system (including system classes) 17641 dynamic objects allocated (532072 bytes) 3 garbage collections (455896 bytes collected) –user2307155 May 9 '13 at 4:40 add a comment| 4 Answers 4 active oldest votes up vote 2 down vote Perhaps you did not include the .jar correctly. Right click on your project and go to Build Path->Configure Build Path->Add external .jar. Hope that helps. share|improve this answer answered May 9 '13 at 4:52 Steve P. 10.6k62550 my jar file was compiled at 1.5 compilence & my application was build with 1.3 compilence –user23071
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Automotive Internet of Things LocationTech Long-Term Support PolarSys Science OpenMDM Toggle navigation Home Projects Forums Eclipse Community Forums Forum Search: Search http://stackoverflow.com/questions/16454422/strange-java-lang-noclassdeffounderror-in-eclipse Help Register Login Home Home» Newcomers» Newcomers» how to fix error java.lang.NoClassDefFoundError: sqlj/framework/error/LogEntry(Getting Eclipse Envoronment set up) Show: Today's Messages :: Show Polls :: Message Navigator how to fix error java.lang.NoClassDefFoundError: sqlj/framework/error/LogEntry [message #516741] Wed, 24 https://www.eclipse.org/forums/index.php/t/163302/ February 2010 23:29 No real nameMessages: 2Registered: February 2010 Junior Member Hi i am very new to Eclipse and I am trying to set up my evnironment. I have added my src code and external libraries, but when i try to run I get the error shown below and have no idea what to do. Any help is greatly appreciated. thanks diane java.lang.NoClassDefFoundError: sqlj/framework/error/LogEntry Caused by: java.lang.ClassNotFoundException: sqlj.framework.error.LogEntry at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClassInternal(Unknown Source) Exception in thread "main" Report message to a moderator Re: how to fix error java.lang.NoClassDefFoundError: sqlj/framework/error/LogEntry [message #516993 is a reply to message #516741] Thu, 25 February 2010 12
in Java J2EE I know how frustrating is to see Exception in thread "main" java.lang.NoClassDefFoundError,which is a manifestation of NoClassDefFoundError in Java. http://javarevisited.blogspot.com/2011/06/noclassdeffounderror-exception-in.html I have seen it a couple of times and spent quite a lot time initially to figure out what is wrong, which class is missing etc. The first mistake I did was mingling java.lang.ClassNotfoundException and NoClassDefFoundError, in reality, they are totally different, and my second mistake was using trial and error method to solve error in this java.lang.NoClassDefFoundError instead of understanding why NoClassDefFoundError is coming, what is the real reason behind NoClassDefFoundError and how to resolve this. In this Java tutorial, I have tried to rectify that mistakes and uncover some secrets of NoClassDefFoundError in Java and will share my experience around it. NoClassDefFoundError is not something which cannot be resolved error in java or hard to resolve it's just its manifestation which puzzles most of Java developer. This is the most common error in Java development along with java.lang.OutOfMemoroyError: Java heap space and java.lang.OutOfMemoryError: PermGen space Anyway lets's see Why NoClassDefFoundError comes in Java and what to do to resolve NoClassDefFoundError in Java. What is the reason of NoClassDefFoundError in Java? NoClassDefFoundError in Java comes when Java Virtual Machine is not able to find a particular class at runtime which was available at compile time. For example, if we have a method call from a class or accessing any static member of a Class and that class is not available during run-time then JVM will throw NoClassDefFoundError. It's important to understand that this is different than ClassNotFoundException which comes while trying to load a class at run-time only and the name was provided during runtime, not at compile-time. Many Java developer mingles this two Error and gets confused. In short, NoClassDefFoundError will come if a