Examples of InstanceAlreadyExistsException

    field.setAccessible(true);
    field.set(testClass, mockMbs);
    expect(mockConfig.getPoolName()).andReturn(null).anyTimes(); 
    ObjectInstance mockInstance = EasyMock.createNiceMock(ObjectInstance.class);
    expect(mockMbs.isRegistered((ObjectName)anyObject())).andReturn(false).anyTimes();
    expect(mockMbs.registerMBean(anyObject(), (ObjectName)anyObject())).andReturn(mockInstance).once().andThrow(new InstanceAlreadyExistsException()).once();
    replay(mockMbs, mockInstance, mockConfig);
    testClass.registerUnregisterJMX(true);
    verify(mockMbs);
  }

Examples of javax.management.InstanceAlreadyExistsException

    field.setAccessible(true);
    field.set(testClass, mockMbs);
    expect(mockConfig.getPoolName()).andReturn("poolName").anyTimes();
    ObjectInstance mockInstance = EasyMock.createNiceMock(ObjectInstance.class);
    expect(mockMbs.isRegistered((ObjectName)anyObject())).andReturn(false).anyTimes();
    expect(mockMbs.registerMBean(anyObject(), (ObjectName)anyObject())).andReturn(mockInstance).once().andThrow(new InstanceAlreadyExistsException()).once();
    replay(mockMbs, mockInstance, mockConfig);
    testClass.registerUnregisterJMX(true);
    verify(mockMbs);
  }

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