How to use

printStackTrace

method

in

org.rosuda.REngine.REXPMismatchException

ex.printStackTrace();
LOG.fine(String.format("Could not process variable %d of the data frame.", k));

REXP parseEvalResponse(RPacket rp) throws RserveException {
  int rxo=0;
  byte[] pc=rp.getCont();
  if (rsrvVersion>100) { /* since 0101 eval responds correctly by using DT_SEXP type/len header which is 4 bytes long */
    rxo=4;
    /* we should check parameter type (should be DT_SEXP) and fail if it's not */
    if (pc[0]!=RTalk.DT_SEXP && pc[0]!=(RTalk.DT_SEXP|RTalk.DT_LARGE))
      throw new RserveException(this,"Error while processing eval output: SEXP (type "+RTalk.DT_SEXP+") expected but found result type "+pc[0]+".");
    if (pc[0]==(RTalk.DT_SEXP|RTalk.DT_LARGE))
      rxo=8; // large data need skip of 8 bytes
    /* warning: we are not checking or using the length - we assume that only the one SEXP is returned. This is true for the current CMD_eval implementation, but may not be in the future. */
  }
  if (pc.length>rxo) {
    try {
      REXPFactory rx=new REXPFactory();
      rx.parseREXP(pc, rxo);
      return rx.getREXP();
    } catch (REXPMismatchException me) {
      me.printStackTrace();
      throw new RserveException(this, "Error when parsing response: "+me.getMessage());
    }
  }
  return null;
}

REXP parseEvalResponse(RPacket rp) throws RserveException {
  int rxo=0;
  byte[] pc=rp.getCont();
  if (rsrvVersion>100) { /* since 0101 eval responds correctly by using DT_SEXP type/len header which is 4 bytes long */
    rxo=4;
    /* we should check parameter type (should be DT_SEXP) and fail if it's not */
    if (pc[0]!=RTalk.DT_SEXP && pc[0]!=(RTalk.DT_SEXP|RTalk.DT_LARGE))
      throw new RserveException(this,"Error while processing eval output: SEXP (type "+RTalk.DT_SEXP+") expected but found result type "+pc[0]+".");
    if (pc[0]==(RTalk.DT_SEXP|RTalk.DT_LARGE))
      rxo=8; // large data need skip of 8 bytes
    /* warning: we are not checking or using the length - we assume that only the one SEXP is returned. This is true for the current CMD_eval implementation, but may not be in the future. */
  }
  if (pc.length>rxo) {
    try {
      REXPFactory rx=new REXPFactory();
      rx.parseREXP(pc, rxo);
      return rx.getREXP();
    } catch (REXPMismatchException me) {
      me.printStackTrace();
      throw new RserveException(this, "Error when parsing response: " + me.getMessage(), me);
    }
  }
  return null;
}