Err? cause()

Get the underyling cause exception or null.

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

Construct with specified error message and optional root cause.

Str msg()

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

virtual override Str toStr()

Return the qualified type name and optional message.

This trace(OutStream out := Env.cur().err(), [Str:Obj]? options := null)

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

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

• "indent": Int for initial number of indentation spaces
• "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.

Str traceToStr()

Dump the stack trace of this exception to a Str.