Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via gmane.org by Unknown author, 2 years ago
loader (instance of sun/misc/Launcher$AppClassLoader): attempted duplicate class definition for name: "org/apache/openjpa/jdbc/identifier/DBIdentifier$DBIdentifierType"
via YouTrack by Unknown author, 2 years ago
loader (instance of sun/misc/Launcher$AppClassLoader): attempted duplicate class definition for name: "uz/s9/kws/zorgprogramma/ZorgprogrammaMetSubZPsImp"
via GitHub by rohanpadhye
, 1 year ago
loader (instance of sun/misc/Launcher$AppClassLoader): attempted duplicate class definition for name: "Hello"
via maven-users by Henrik Eriksson, 1 year ago
loader constraint violation: loader (instance >>> of sun/misc/Launcher$AppClassLoader) previously initiated loading for a different type wit h name "com/sun/tools/javac/code/Symbol"
via apache.org by Unknown author, 2 years ago
loader constraint violation: loader (instance >>> of sun/misc/Launcher$AppClassLoader) previously initiated loading for a different type wit h name "com/sun/tools/javac/code/Symbol"
via asyncified.io by Unknown author, 1 year ago
loader constraint violation: loader (instance of org/apache/spark/util/ChildFirstURLClassLoader) previously initiated loading for a different type with name "org/slf4j/Logger"
java.lang.LinkageError: loader (instance of  sun/
misc/Launcher$AppClassLoader): attempted  duplicate class definition for 
name: "org/slf4j/impl/StaticLoggerBinder"	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(ClassLoader.java:763)	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)	at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)	at java.net.URLClassLoader.access$100(URLClassLoader.java:73)	at java.net.URLClassLoader$1.run(URLClassLoader.java:368)	at java.net.URLClassLoader$1.run(URLClassLoader.java:362)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:361)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at play.api.libs.logback.LogbackLoggerConfigurator.configure(LogbackLoggerConfigurator.scala:77)	at play.api.libs.logback.LogbackLoggerConfigurator.configure(LogbackLoggerConfigurator.scala:59)