Ruby Built-in Exceptions

Built-in exception classes raised by the Ruby interpreter and standard library. All exceptions derive from Exception; most application code rescues subclasses of StandardError.

46 codes

• ArgumentError ArgumentError
• Encoding--CompatibilityError Encoding::CompatibilityError
• Encoding--InvalidByteSequenceError Encoding::InvalidByteSequenceError
• Encoding--UndefinedConversionError Encoding::UndefinedConversionError
• EncodingError EncodingError
• EOFError EOFError
• Errno--EACCES Errno::EACCES
• Errno--ECONNREFUSED Errno::ECONNREFUSED
• Errno--ECONNRESET Errno::ECONNRESET
• Errno--EEXIST Errno::EEXIST
• Errno--ENOENT Errno::ENOENT
• Errno--ENOTEMPTY Errno::ENOTEMPTY
• Errno--EPIPE Errno::EPIPE
• Errno--ETIMEDOUT Errno::ETIMEDOUT
• Exception Exception
• FiberError FiberError
• FloatDomainError FloatDomainError
• FrozenError FrozenError
• IndexError IndexError
• Interrupt Interrupt
• IOError IOError
• JSON--ParserError JSON::ParserError
• KeyError KeyError
• LoadError LoadError
• LocalJumpError LocalJumpError
• Math--DomainError Math::DomainError
• NameError NameError
• NoMemoryError NoMemoryError
• NoMethodError NoMethodError
• NotImplementedError NotImplementedError
• RangeError RangeError
• RegexpError RegexpError
• RuntimeError RuntimeError
• ScriptError ScriptError
• SignalException SignalException
• StandardError StandardError
• StopIteration StopIteration
• SyntaxError SyntaxError
• SystemCallError SystemCallError
• SystemExit SystemExit
• SystemStackError SystemStackError
• ThreadError ThreadError
• Timeout--Error Timeout::Error
• TypeError TypeError
• UncaughtThrowError UncaughtThrowError
• ZeroDivisionError ZeroDivisionError