const virtual class sys::Err

sys::Obj
  sys::Err

Err is the base class of all exceptions.

cause

Err? cause()

Get the underyling cause exception or null.

make

new make(Str msg := "", Err? cause := null)

Construct with specified error message and optional root cause.

msg

Str msg()

Get the string message passed to the contructor or empty string if a message is not available.

toStr

virtual override Str toStr()

Return the qualified type name and optional message.

trace

This trace()

Dump the stack trace of this exception to the specified output stream (or Env.cur.out by default). Return this.

The options may be used to specify the format of the output:

• "maxDepth": Int specifies how many methods in each

  exception of chain to include.  If unspecified the
  default is configured from the "errTraceMaxDepth" prop
  in etc/sys/config.props.

traceToStr

Str traceToStr()

Dump the stack trace of this exception to a Str.