Exception JavaError
NullPointerExceptionNullPointerException
A null reference is used where an object is required.
jvmandroidspring
Lihat detail NoSuchFieldErrorA field is referenced at runtime but does not exist in the class.
The field existed at compile time but was removed or renamed in the version loaded at runtime. This is a binary compatibility error between compile-time and runtime class versions.
Recompile the code against the correct library version. Ensure all dependencies use compatible versions. Check if the field was renamed or moved.
NullPointerExceptionA null reference is used where an object is required.
IllegalThreadStateExceptionA thread operation is performed when the thread is not in an appropriate state.
PatternSyntaxExceptionA regular expression has invalid syntax.
InvocationTargetExceptionA method invoked via reflection throws an exception.
SocketTimeoutExceptionA socket read or connection operation times out.
EmptyStackExceptionAn operation is attempted on an empty Stack.