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 jsystemtest by yehudit
, 1 year ago
Implementing class
via Jenkins JIRA by mezlight, 2 years ago
via Jenkins JIRA by mezlight, 1 year ago
via Coderanch by Shashank Rudra, 1 year ago
via jetbrains.com by Unknown author, 2 years ago
java.lang.IncompatibleClassChangeError: Implementing class	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$000(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 java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClassInternal(Unknown Source)	at com.altor.vf.xmlrpc.VFXmlRpcClient.execute(VFXmlRpcClient.java:36)	at com.altor.vf.xmlrpc.VFXmlRpcClient.getProtocols(VFXmlRpcClient.java:46)	at com.altor.vf.auto.XmlRpcOperations.testXMLProtocolsMatch(XmlRpcOperations.java:16)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at junit.framework.TestCase.runTest(TestCase.java:168)	at junit.framework.SystemTestCase.runBare(SystemTestCase.java:163)	at com.altor.vf.auto.AltorTestCase.runBare(AltorTestCase.java:35)	at junit.framework.TestResult$1.protect(TestResult.java:110)	at junit.framework.TestResult.runProtected(TestResult.java:128)	at junit.framework.TestResult.run(TestResult.java:113)	at junit.framework.SystemTestCase.run(SystemTestCase.java:147)	at com.aqua.anttask.jsystem.JUnitTestRunner.run(JUnitTestRunner.java:457)	at com.aqua.anttask.jsystem.JSystemTask.executeInVM(JSystemTask.java:1352)	at com.aqua.anttask.jsystem.JSystemTask.execute(JSystemTask.java:921)	at com.aqua.anttask.jsystem.JSystemTask.executeOrQueue(JSystemTask.java:1766)	at com.aqua.anttask.jsystem.JSystemTask.execute(JSystemTask.java:870)	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)	at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)	at org.apache.tools.ant.Task.perform(Task.java:348)	at org.apache.tools.ant.Target.execute(Target.java:357)	at org.apache.tools.ant.Target.performTasks(Target.java:385)	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)	at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38)	at org.apache.tools.ant.Project.executeTargets(Project.java:1181)	at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:416)	at net.sf.antcontrib.logic.AntCallBack.execute(AntCallBack.java:54)	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)	at org.apache.tools.ant.Task.perform(Task.java:348)	at org.apache.tools.ant.Target.execute(Target.java:357)	at org.apache.tools.ant.Target.performTasks(Target.java:385)	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)	at org.apache.tools.ant.Project.executeTarget(Project.java:1298)	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)	at org.apache.tools.ant.Project.executeTargets(Project.java:1181)	at org.apache.tools.ant.Main.runBuild(Main.java:698)	at org.apache.tools.ant.Main.startAnt(Main.java:199)	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)