Bad class file « class file « Java I/O Q&A





1. bad version in class file    stackoverflow.com

When I use certain jars in one of the connector projects i write for lombardi in TeamWorks eclipse i get a bad class version exception... any ideas how this might be resolved.. Regards, Adhir ...

2. Finding which .class file has a bad version    stackoverflow.com

Whats the easiest way to determine which Java class is compiled with the "wrong" version number? I've a project with a large number of dependencies and somewhere I've a class compiled using ...

3. java.lang.UnsupportedClassVersionError: Bad version number in .class file?    stackoverflow.com

I am getting this error when I include an opensource library that I had to compile from source. Now, all the suggestions on the web indicate that the code was ...

4. error: bad class file...com/smartfofserver/openspace/OpenSpaceExtension.class .... class file has wrong version 50.0, it should be 49.0    stackoverflow.com

I am getting an error : "bad OpenSpaceExtention.class file which is imported from com.smartfofserver/openspace.OpenSpaceExtension; and ..... class file has wrong version 50.0, should be 49.0" While running ...

5. java.lang.UnsupportedClassVersionError: Bad version number in .class file    stackoverflow.com

I am using jdk 1.5.0_22 and this is set in env variables also. my server also has the same java version. but still I am getting this error "java.lang.UnsupportedClassVersionError: Bad version ...

6. java.lang.UnsupportedClassVersionError: Bad version number in .class file    stackoverflow.com

I'm having this error in eclipes java.lang.UnsupportedClassVersionError: Bad version number in .class file. When I run javac -version it prints

javac 1.5.0_28
Within eclipes if I right click, properties->java compiler it says I'm ...

7. java.lang.UnsupportedClassVersionError: Bad version number in .class file    stackoverflow.com

I am getting the follwing error while running selenium testcase. java.lang.UnsupportedClassVersionError: Bad version number in .class file I have checked all the versions of java in eclispse and they are correct. Please it would ...

8. java.lang.UnsupportedClassVersionError: Bad version number in .class file    stackoverflow.com

Possible Duplicate:
Tool to read and display Java .class versions
I am getting this error, I suspect, because I am running a program on a Java ...

9. Compile error: class file contains wrong class, bad class file???    coderanch.com

// import the JavaMail packages import javax.mail.*; import javax.mail.internet.*; // import the servlet packages import javax.servlet.*; import javax.servlet.http.*; // import misc classes that we need import java.util.*; import java.io.*; public class Email extends HttpServlet { String smtpServer; public void init(ServletConfig config) throws ServletException { super.init(config); // get the SMTP server from the servlet properties smtpServer = config.getInitParameter("smtpServer"); } public void doPost(HttpServletRequest ...





10. bad class file    coderanch.com

[aruljose@aruljose javatry]$ javac -d . packclass.java [aruljose@aruljose javatry]$ javac -classpath . accesspack.java accesspack.java:6: cannot access packclass bad class file: ./packclass.java file does not contain class packclass Please remove or make sure it appears in the correct subdirectory of the classpath. packclass p = new packclass(); ^ 1 error [aruljose@aruljose javatry]$ ls newpack/ packclass.class

11. Bad Class File?    coderanch.com

Hi. I have a Java class called Test.java and comprises of the following code: public class Test { public static void main(String[] args){ Rconnection c = new Rconnection(); REXP x = c.evaluate("R.version.string"); System.out.println(x.asString()); } } Without wanting to go into too much detail, this Test.java class is supposed to make a simple connection with the statistical language R. In order to ...

12. Bad Version Number in .class file    coderanch.com

I just purchased "Head First Java" (2nd ed.), and am trying to do the first exercise after having downloaded the SDK. I wanted the Java 2 Standard Edition SDK, as specified in the book, but I couldn't find that on the java.sun website (after all, the book was published in 2005) so I got Enterprise Edition 5 SDK instead. I successfully ...

13. B.java:7: cannot access A--bad class file: .\A.java    coderanch.com

Not certain, but it sounds as though your file and directory structure might not be quite right. You might not have the naming of the A and B files quite right, too. Try compiling A first with the -d tag: javac -d . A.java then javac -d . B.java or both together javac -d . A.java B.java That might help.

14. java.lang.UnsupportedClassVersionError: Bad version number in .class file    coderanch.com

I am having an issue running my servlet. Can anyone help me figure out why I am getting the bad version error? Below also are my servlet code and my path and classpath info. I am using Orion 2.0.7 for the app server. I am receiving the following: 500 Internal Server Error java.lang.UnsupportedClassVersionError: Bad version number in .class file at java.lang.ClassLoader.defineClass1(Native ...

15. How do I scan my system for this bad class file?    coderanch.com

Hi, I'm using Java 1.5 on a Mac 10.5.6. I'm trying to write some unit tests that depend on the version 2.7.0 library of xalan. However, somehow an older version is getting into my classpath and causing the below "NoSuchMethodError". How do I scan my system for the offending class and any JAR or other file it might be a part ...





17. "Bad version number in .class file"    coderanch.com

I've tried everything and I am getting absolutely no where. I'm building a dynamic web project, I need to build using Java 1.5 because I'm limited to Tomcat 5.5. I added this Jar to access a movie database: http://sourceforge.net/projects/jtmdb/. Building is fine, but when I load a page that imports the class I get a nasty 500 error. Here is my ...

18. Getting error: Bad version number in .class file    coderanch.com

Howdy Ulf, I am also new one , but as i know, you are eight, that your problem is because of conflicting versions of java. So you should try ...this as.. 1- You should change the path variable in both in User variable as well as in System variable.....as i think you changed your path only in system variable...so you should ...

19. cannot acces (a class), bad class file, class file contains wrong class    forums.oracle.com

Hi, I'm not sure if I understood you well, but if you just want to use a library you have just downloaded you should just insert the .jar file to the project dependencies. Then you can use the package (API) you have just downloaded . Again, I'm not sure this is your problem... Best regards, @tticus

20. Bad version number in .class file - error    forums.oracle.com

I have trouble running my first java program. I installed "JDK 6 Update 3". I am getting this error mesage when I run the program, but it compiled fine. Exception in thread "main" java.lang.UnsupportedClassVersionError; Bad version number in .class file This is the code that I used, public class welcome { public static void main(String[] args) { System.out.println("test"); } } Any ...

21. Bad version number in .class file    forums.oracle.com

At work, I'm being asked to compile for 1.5 without installing 1.5. Simple - tell them it is impossible and wouldn't be a good idea even if it was possible. How are you going to test it if you don't have 1.5? I'm having the same problem and found just setting -source and -target to 1.5 wasn't enough. What do I ...

22. java.lang.UnsupportedClassVersionError: Bad version number in .class file    forums.oracle.com

hi i am using Tomcat 5.5 web server, eclipse version 3.1.2(Lombaz) i have 1) jre1.5.0_06 and 2) jre1.6.0_03 for jre1.6.0_03 i have set the classpath , path and java_Home i am accession a java file from jsp . it displays the "java.lang.UnsupportedClassVersionError: Bad version number in .class file" can u tell me what i should do now can i uninstall jre1.6.0_03 ...

23. java.lang.UnsupportedClassVersionError: Bad version number in .class file    forums.oracle.com

Hi , I am using jdk1.5.0_08 and jre1.5.0._08 but am having this problem Exception occurred during event dispatching: java.lang.UnsupportedClassVersionError: Bad version number in .class file at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$100(Unknown Source) 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) ...

24. java.lang.UnsupportedClassVersionError: Bad version number in .class file    forums.oracle.com

HI, I'm trying to deploy my application as war in tomcat 5.0.18. I'm using eclipse 3.3 as IDE. I'm using JDK 1.5.0_06 as my JAVA_HOME as well as my classpath. My IDE is pointing to JDK 1.5.0_06 only. when i try to deploy war in the tomcat i'm getting following error... SEVERE: Error filterStart I have few filters in my application. ...

26. UnsupportedClassVersionError: bad version number of .class file    forums.oracle.com

I compiled many code-examples from the java tutorials with the Java-Compiler. They run fine, when I start them from the Console. Then I made batchfiles and tried to start them from the Windows Explorer. (I use Windows Vista) But I keep getting the same error message: Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad versionnumber in .class file Is there anything, that I ...

27. org.apache.jasper.JasperException: Bad version number in .class file    forums.oracle.com

Oh no. Where are you running your Java stuff, including your third-party library? On the PC in your kitchen? Then, regardless where you COMPILE your app (e.g. on the PC in your dining room), install the newest JRE you can find (that is, version 1.6) THERE (in the kitchen) and then run your app THERE (in the kitchen again). Just replace ...

28. 'bad class file' compilation error    forums.oracle.com

29. Strange Behavour, bad version number in .class file    forums.oracle.com

Hey Guys! I've downgraded from jre/jdk 1.6 to 1.5 and have some strange problems I know that I can't run class files compiled with 1.6 on a 1.5 system, and after I had a few problems I've decided to completely remove version 1.6 from my system. The strange thing is, that eclipse still compiles my java files with version 1.6 (i've ...

32. Bad class file error    forums.oracle.com

Hi I set my java home to JDK 1.4 and execute my build.It is ok. Then i try the same by setting JDK 1.5 as java home. build is ok. But now i need to use only JDK 1.4.So i set my java home as jdk 1.4 and try to execute the build.xml Now i got the error of class file ...

33. Bad Class File Error with extends    forums.oracle.com