[ClassNotFoundException](chang-jian-de-jvm-lei-jia-zai-yi-chang/classnotfoundexception.md) [NoClassDefFoundError](chang-jian-de-jvm-lei-jia-zai-yi-chang/noclassdeffounderror.md) [LinkageError](chang-jian-de-jvm-lei-jia-zai-yi-chang/linkageerror.md) [ClassCastException](chang-jian-de-jvm-lei-jia-zai-yi-chang/classcastexception.md)