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    Thrown if an application attempts to access or modify a field, or to call a method or interface it does not have access to. Can also occur if the two classes are compiled with different compiler version so the interface and its implementation don't match.

Solutions on the web

via Stack Overflow by Jeni
, 1 year ago
class org.mockito.internal.creation.jmock.ClassImposterizer$1 cannot access its superclass org.mockito.internal.creation.cglib.MockitoNamingPolicy
via Stack Overflow by woky
, 2 years ago
class sun.nio.ch.MySourceChannel cannot access its superclass sun.nio.ch.SourceChannelImpl
via GitHub by lemachi
, 1 year ago
class brut.androlib.meta.StringExRepresent$RepresentStringEx cannot access its superclass org.yaml.snakeyaml.representer.SafeRepresenter$RepresentString
via GitHub by NickIliev
, 11 months ago
class javax.xml.parsers.SecuritySupport12 cannot access its superclass javax.xml.parsers.SecuritySupport
via Stack Overflow by eladyanai
, 1 year ago
class org.mockito.internal.creation.jmock.ClassImposterizer$1 cannot access its superclass org.mockito.internal.creation.cglib.MockitoNamingPolicy
via GitHub by pkrishanth
, 1 year ago
class org.mockito.internal.creation.jmock.ClassImposterizer$1 cannot access its superclass org.mockito.internal.creation.cglib.MockitoNamingPolicy
java.lang.IllegalAccessError: class org.mockito.internal.creation.jmock.ClassImposterizer$1 cannot access its superclass org.mockito.internal.creation.cglib.MockitoNamingPolicy	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(ClassLoader.java:800)	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)	at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)	at java.net.URLClassLoader.access$100(URLClassLoader.java:71)	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)	at org.mockito.internal.creation.jmock.ClassImposterizer.(ClassImposterizer.java:38)	at org.mockito.internal.creation.CglibMockMaker.createMock(CglibMockMaker.java:23)	at org.powermock.api.mockito.internal.mockmaker.PowerMockMaker.createMock(PowerMockMaker.java:43)	at org.mockito.internal.util.MockUtil.createMock(MockUtil.java:33)	at org.mockito.internal.MockitoCore.mock(MockitoCore.java:59)	at org.mockito.Mockito.spy(Mockito.java:1368)	at todolistj.todolist.unittest.CustomClass.size(CustomClass.java:54)