java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver

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Root Cause Analysis

  1. java.util.zip.ZipException

    invalid LOC header (bad signature)

    at java.util.zip.ZipFile.read()
  2. Java RT
    Class.forName
    1. java.util.zip.ZipFile.read(Native Method)
    2. java.util.zip.ZipFile.access$1400(ZipFile.java:61)
    3. java.util.zip.ZipFile$ZipFileInputStream.read(ZipFile.java:717)
    4. java.util.zip.ZipFile$ZipFileInflaterInputStream.fill(ZipFile.java:420)
    5. java.util.zip.InflaterInputStream.read(InflaterInputStream.java:158)
    6. java.util.jar.Manifest$FastInputStream.fill(Manifest.java:441)
    7. java.util.jar.Manifest$FastInputStream.readLine(Manifest.java:375)
    8. java.util.jar.Manifest$FastInputStream.readLine(Manifest.java:409)
    9. java.util.jar.Attributes.read(Attributes.java:376)
    10. java.util.jar.Manifest.read(Manifest.java:199)
    11. java.util.jar.Manifest.<init>(Manifest.java:69)
    12. java.util.jar.JarFile.getManifestFromReference(JarFile.java:199)
    13. java.util.jar.JarFile.getManifest(JarFile.java:180)
    14. sun.misc.URLClassPath$JarLoader$2.getManifest(URLClassPath.java:944)
    15. java.net.URLClassLoader.defineClass(URLClassLoader.java:450)
    16. java.net.URLClassLoader.access$100(URLClassLoader.java:73)
    17. java.net.URLClassLoader$1.run(URLClassLoader.java:368)
    18. java.net.URLClassLoader$1.run(URLClassLoader.java:362)
    19. java.security.AccessController.doPrivileged(Native Method)
    20. java.net.URLClassLoader.findClass(URLClassLoader.java:361)
    21. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    22. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    23. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    24. java.lang.Class.forName0(Native Method)
    25. java.lang.Class.forName(Class.java:264)
    25 frames
  3. com.ideas.db
    ConnectionManagerTest.shouldGetConnection
    1. com.ideas.db.ConnectionManager.getConnection(ConnectionManager.java:16)
    2. com.ideas.db.ConnectionManagerTest.shouldGetConnection(ConnectionManagerTest.java:10)
    2 frames
  4. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:497)
    4 frames
  5. JUnit
    ParentRunner.run
    1. org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    2. org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    3. org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    4. org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    5. org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    6. org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
    7. org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
    8. org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    9. org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    10. org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    11. org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    12. org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    13. org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    13 frames
  6. JUnit4 Runner
    JUnit4TestReference.run
    1. org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
    1 frame
  7. JUnit3 Runner
    RemoteTestRunner.main
    1. org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    2. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
    3. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
    4. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
    5. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
    5 frames