java.lang.NoClassDefFoundError

com/sun/tools/attach/VirtualMachine


Samebug tips9

A few things cause this exception: 1) Check if you have all jars and if they're in the correct path when running. 2) Your classpath might be broken, you can define it in the command line with "java -cp yourClassPath" or at your IDE if you're using one.

If you're using Hibernate, this indicates you're missing FasterXML Classmate dependency, which you can add to your dependencies. To add it, the groupId is com.fasterxml and artifactId is Classmate.

Don't give up yet. Our experts can help. Paste your full stack trace to get a solution.


Solutions on the web9040

Solution icon of googlegroups
com/sun/tools/attach/VirtualMachine

Solution icon of github
via GitHub by dcransac
, 1 year ago
com/sun/tools/attach/VirtualMachine

Solution icon of github
com/sun/tools/attach/VirtualMachine

Solution icon of java
via Java.net JIRA by Sanjeeb Sahoo, 9 months ago
com/sun/tools/attach/VirtualMachine

Solution icon of oraclecommunity
via Oracle Community by morbious, 11 months ago
> com/sun/tools/attach/VirtualMachine >

Solution icon of oraclecommunity
via Oracle Community by morbious, 11 months ago
com/sun/tools/attach/VirtualMachine

Solution icon of stackoverflow
via Stack Overflow by thunder
, 7 months ago
com/sun/tools/attach/VirtualMachine

Solution icon of web
via java.net by Unknown author, 1 year ago
com/sun/tools/attach/VirtualMachine

Solution icon of web
com/sun/tools/attach/VirtualMachine

Solution icon of web
via java.net by Unknown author, 1 year ago
com/sun/tools/attach/VirtualMachine

Stack trace

  • java.lang.NoClassDefFoundError: com/sun/tools/attach/VirtualMachine at my.package.bootstrap(Controller.java:37) at my.package.main(Main.java:35) Caused by: java.lang.ClassNotFoundException: com.sun.tools.attach.VirtualMachine at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 2 more

Write tip

You have a different solution? A short tip here would help you and many other users who saw this issue last week.

Users with the same issue

Once, 3 months ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago
4 times, 1 day ago
4 times, 3 weeks ago
2433 more bugmates