pentaho/pentaho-kettle · error · Rhino runtime error

The function call removeDigits requires 1 argument.

Error message

The function call removeDigits requires 1 argument.

What it means

removeDigits strips digit characters from a string via Const.removeDigits in the Modified Java Script Value step. The wrapper throws this Rhino runtime error whenever the function is called with anything other than exactly one argument.

Solutions

1. Call removeDigits with exactly one argument: removeDigits(inputString)
2. If custom digit filtering is needed, use str.replace(/\d/g,'') directly in the script
3. Validate the field variable is defined before passing it

Example fix

// before
var cleaned = removeDigits(value, "/d");
// after
var cleaned = removeDigits(value);

if (typeof value === 'string') { var cleaned = removeDigits(value); }

function isString(v){ return typeof v === 'string'; }

try { var cleaned = removeDigits(value); } catch (e) { throw new Error('removeDigits requires exactly 1 argument: ' + e.message); }

When it happens

Trigger: removeDigits() with no argument, or removeDigits(s, x) with extra arguments; the length==1 check fails and Context.reportRuntimeError fires.

Common situations: Users adding a second argument expecting a regex mode; argument variable left undefined after renaming a field, producing a zero-arg call.

Understand the failure class

Background: "missing required argument" and "the following required arguments were not provided": what required-argument errors mean and how to fix them — this error's family across 20 libraries.

Related errors

• The function call initCap requires 1 argument.
• The function call ltrim requires 1 argument.
• The function call rtrim requires 1 argument.
• Please provide a valid Char to the fillString
• The function call date2str requires 1, 2, 3, or 4 arguments.

AI-assisted analysis of pentaho/pentaho-kettle@f3058517a1 (2026-09-13). Data as JSON: /api/errors/c210fa384a5a1cb9. Report an issue: GitHub.

Appendix: source

Thrown at engine/src/main/java/org/pentaho/di/trans/steps/scriptvalues_mod/ScriptValuesAddedFunctions.java:2770

    }
  }

  public static String protectXMLCDATA( Context actualContext, Scriptable actualObject, Object[] ArgList,
    Function FunctionContext ) {
    if ( ArgList.length == 1 ) {
      return Const.protectXMLCDATA( Context.toString( ArgList[0] ) );
    } else {
      throw Context.reportRuntimeError( "The function call protectXMLCDATA requires 1 argument." );

    }
  }

  public static String removeDigits( Context actualContext, Scriptable actualObject, Object[] ArgList,
    Function FunctionContext ) {
    if ( ArgList.length == 1 ) {
      return Const.removeDigits( Context.toString( ArgList[0] ) );
    } else {
      throw Context.reportRuntimeError( "The function call removeDigits requires 1 argument." );

    }
  }

  public static String initCap( Context actualContext, Scriptable actualObject, Object[] ArgList,
    Function FunctionContext ) {
    if ( ArgList.length == 1 ) {
      return Const.initCap( Context.toString( ArgList[0] ) );
    } else {
      throw Context.reportRuntimeError( "The function call initCap requires 1 argument." );

    }
  }

  public static Object loadFileContent( Context actualContext, Scriptable actualObject, Object[] ArgList,
    Function FunctionContext ) {
    Object oRC = new Object();
    try {

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