const class sys::Err

sys::Obj
  sys::Err

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Err is the base class of all exceptions.

cause

Err? cause()

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Get the underyling cause exception or null.

make

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

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Construct with specified error message and optional root cause.

msg

Str msg()

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

toStr

virtual override Str toStr()

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Return the qualified type name and optional message.

trace

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

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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.

traceToStr

Str traceToStr()

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Dump the stack trace of this exception to a Str.