java.lang.ClassNotFoundException: someUnknownClass

osdir.com | 4 months ago
  1. 0

    Cucumber-junit 1.1.3 cannot find class Examples

    GitHub | 4 years ago | danielkwinsor
    java.lang.RuntimeException: java.lang.ClassNotFoundException: Examples:
  2. 0

    Heritrix Fails to Build from Source on 32bit Raspberry Pi 1

    GitHub | 2 months ago | martinvahi
    java.lang.ClassNotFoundException: org.archive.util.OneLineSimpleLayout
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  4. 0

    I ran import maven projects from SCM against this version of maven...>> http://svn.apache.org/repos/asf/maven/components/tags/maven-2.1.0-M1/ in a command shell, i went to the top level directory of the project and typed mvn clean install The project built successfully as shown in the output below.. I selected F5 (refresh) and rebuilt the project in Eclipse. I observed many red X's on the top level projects indicating compile problems (even though the command line build was fine)... Next I tried right clicking on the top level maven project and choosing run as / maven install. This result in the build errors you can see below. {noformat} [INFO] [jar:jar] [INFO] Building jar: C:\ebay\m2eclipse\workspace.tues2\maven\maven-plugin-registry\target\maven-plugin-registry-2.1.0-M1.jar [INFO] ------------------------------------------------------------------------ [INFO] Building Maven Project Builder [INFO] [INFO] Id: org.apache.maven:maven-project:jar:2.1.0-M1 [INFO] task-segment: [package] [INFO] ------------------------------------------------------------------------ [INFO] [remote-resources:process] [INFO] [resources:resources] [INFO] Using default encoding to copy filtered resources. [INFO] [compiler:compile] [INFO] Nothing to compile - all classes are up to date [INFO] [resources:testResources] [INFO] Using default encoding to copy filtered resources. [INFO] [compiler:testCompile] [INFO] Nothing to compile - all classes are up to date [INFO] [surefire:test] [INFO] Surefire report directory: C:\ebay\m2eclipse\workspace.tues2\maven\maven-project\target\surefire-reports org.apache.maven.surefire.booter.SurefireExecutionException: Scm; nested exception is java.lang.NoClassDefFoundError: Scm java.lang.NoClassDefFoundError: Scm at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2427) at java.lang.Class.getMethod0(Class.java:2670) at java.lang.Class.getMethod(Class.java:1603) at org.apache.maven.surefire.junit.JUnitTestSet.createInstanceFromSuiteMethod(JUnitTestSet.java:176) at org.apache.maven.surefire.junit.JUnitTestSet.constructTestObject(JUnitTestSet.java:140) at org.apache.maven.surefire.junit.JUnitTestSet.getTestCount(JUnitTestSet.java:247) at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.locateTestSets(AbstractDirectoryTestSuite.java:104) at org.apache.maven.surefire.Surefire.createSuiteFromDefinition(Surefire.java:150) at org.apache.maven.surefire.Surefire.run(Surefire.java:111) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:290) at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:818) Caused by: java.lang.ClassNotFoundException: Scm at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at org.apache.maven.surefire.booter.IsolatedClassLoader.loadClass(IsolatedClassLoader.java:103) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) ... 16 more {noformat}

    Sonatype JIRA | 8 years ago | Deleted User
    java.lang.NoClassDefFoundError: Scm
  5. 0

    Maven Surefire plugin throwing class not found exception for EclipseStarter

    Stack Overflow | 2 years ago
    java.lang.NoClassDefFoundError: org/eclipse/core/runtime/adaptor/EclipseStarter

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    someUnknownClass

    at java.net.URLClassLoader$1.run()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader$1.run(URLClassLoader.java:200)
    2. java.security.AccessController.doPrivileged(Native Method)
    3. java.net.URLClassLoader.findClass(URLClassLoader.java:188)
    4. java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    5. java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    5 frames
  3. SureFire
    IsolatedClassLoader.loadClass
    1. org.apache.maven.surefire.booter.IsolatedClassLoader.loadClass(IsolatedClassLoader.java:103)
    1 frame
  4. Java RT
    Class.forName
    1. java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
    2. java.lang.Class.forName0(Native Method)
    3. java.lang.Class.forName(Class.java:164)
    3 frames
  5. org.jasig.portal
    ThrowableHelper_Test.testGetDefaultHandler
    1. org.jasig.portal.lang.ThrowableHelper.getDefaultHandler(ThrowableHelper.java:114)
    2. org.jasig.portal.lang.ThrowableHelper_Test.verifyEquals(ThrowableHelper_Test.java:103)
    3. org.jasig.portal.lang.ThrowableHelper_Test.testGetDefaultHandler(ThrowableHelper_Test.java:78)
    3 frames
  6. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    4. java.lang.reflect.Method.invoke(Method.java:585)
    4 frames
  7. JUnit
    TestSuite.run
    1. junit.framework.TestCase.runTest(TestCase.java:154)
    2. junit.framework.TestCase.runBare(TestCase.java:127)
    3. junit.framework.TestResult$1.protect(TestResult.java:106)
    4. junit.framework.TestResult.runProtected(TestResult.java:124)
    5. junit.framework.TestResult.run(TestResult.java:109)
    6. junit.framework.TestCase.run(TestCase.java:118)
    7. junit.framework.TestSuite.runTest(TestSuite.java:208)
    8. junit.framework.TestSuite.run(TestSuite.java:203)
    8 frames
  8. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    4. java.lang.reflect.Method.invoke(Method.java:585)
    4 frames
  9. org.apache.maven
    JUnitTestSet.execute
    1. org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:213)
    1 frame
  10. SureFire
    Surefire.run
    1. org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:138)
    2. org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:125)
    3. org.apache.maven.surefire.Surefire.run(Surefire.java:132)
    3 frames
  11. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    4. java.lang.reflect.Method.invoke(Method.java:585)
    4 frames