lib/phantom/modules/verbose.js
function verbose (page) {

  page.onResourceError = function(resourceError) {
      system.stderr.writeLine('= onResourceError()');
      system.stderr.writeLine('  - unable to load url: "' + resourceError.url + '"');
      system.stderr.writeLine('  - error code: ' + resourceError.errorCode + ', description: ' + resourceError.errorString );
  };

  page.onError = function(msg, trace) {
      system.stderr.writeLine('= onError()');
      var msgStack = ['  ERROR: ' + msg];
      if (trace) {
          msgStack.push('  TRACE:');
          trace.forEach(function(t) {
              msgStack.push('    -> ' + t.file + ': ' + t.line + (t.function ? ' (in function "' + t.function + '")' : ''));
          });
      }
      system.stderr.writeLine(msgStack.join('\n'));
  };

  page.onResourceRequested = function (request) {
      system.stderr.writeLine('= onResourceRequested()');
      system.stderr.writeLine('  request: ' + JSON.stringify(request, undefined, 4));
  };

  page.onResourceReceived = function(response) {
      system.stderr.writeLine('= onResourceReceived()' );
      system.stderr.writeLine('  id: ' + response.id + ', stage: "' + response.stage + '", response: ' + JSON.stringify(response));
  };

  page.onLoadStarted = function() {
      system.stderr.writeLine('= onLoadStarted()');
      var currentUrl = page.evaluate(function() {
          return window.location.href;
      });
      system.stderr.writeLine('  leaving url: ' + currentUrl);
  };

  page.onNavigationRequested = function(url, type, willNavigate, main) {
      system.stderr.writeLine('= onNavigationRequested');
      system.stderr.writeLine('  destination_url: ' + url);
      system.stderr.writeLine('  type (cause): ' + type);
      system.stderr.writeLine('  will navigate: ' + willNavigate);
      system.stderr.writeLine('  from page\'s main frame: ' + main);
  };

  page.onLoadFinished = function(status) {
      system.stderr.writeLine('= onLoadFinished()');
      system.stderr.writeLine('  status: ' + status);
  };
}
function verbose (page) {

  page.onResourceError = function(resourceError) {
      system.stderr.writeLine('= onResourceError()');
      system.stderr.writeLine('  - unable to load url: "' + resourceError.url + '"');
      system.stderr.writeLine('  - error code: ' + resourceError.errorCode + ', description: ' + resourceError.errorString );
  };

  page.onError = function(msg, trace) {
      system.stderr.writeLine('= onError()');
      var msgStack = ['  ERROR: ' + msg];
      if (trace) {
          msgStack.push('  TRACE:');
          trace.forEach(function(t) {
              msgStack.push('    -> ' + t.file + ': ' + t.line + (t.function ? ' (in function "' + t.function + '")' : ''));
          });
      }
      system.stderr.writeLine(msgStack.join('\n'));
  };

  page.onResourceRequested = function (request) {
      system.stderr.writeLine('= onResourceRequested()');
      system.stderr.writeLine('  request: ' + JSON.stringify(request, undefined, 4));
  };

  page.onResourceReceived = function(response) {
      system.stderr.writeLine('= onResourceReceived()' );
      system.stderr.writeLine('  id: ' + response.id + ', stage: "' + response.stage + '", response: ' + JSON.stringify(response));
  };

  page.onLoadStarted = function() {
      system.stderr.writeLine('= onLoadStarted()');
      var currentUrl = page.evaluate(function() {
          return window.location.href;
      });
      system.stderr.writeLine('  leaving url: ' + currentUrl);
  };

  page.onNavigationRequested = function(url, type, willNavigate, main) {
      system.stderr.writeLine('= onNavigationRequested');
      system.stderr.writeLine('  destination_url: ' + url);
      system.stderr.writeLine('  type (cause): ' + type);
      system.stderr.writeLine('  will navigate: ' + willNavigate);
      system.stderr.writeLine('  from page\'s main frame: ' + main);
  };

  page.onLoadFinished = function(status) {
      system.stderr.writeLine('= onLoadFinished()');
      system.stderr.writeLine('  status: ' + status);
  };
}
function verbose ( page ) { page . onResourceError = function ( resourceError ) { system . stderr . writeLine ( '= onResourceError()' ) ; system . stderr . writeLine ( '  - unable to load url: "' + resourceError . url + '"' ) ; system . stderr . writeLine ( '  - error code: ' + resourceError . errorCode + ', description: ' + resourceError . errorString ) ; } ; page . onError = function ( msg , trace ) { system . stderr . writeLine ( '= onError()' ) ; var msgStack = [ '  ERROR: ' + msg ] ; if ( trace ) { msgStack . push ( '  TRACE:' ) ; trace . forEach ( function ( t ) { msgStack . push ( '    -> ' + t . file + ': ' + t . line + ( t . function ? ' (in function "' + t . function + '")' : '' ) ) ; } ) ; } system . stderr . writeLine ( msgStack . join ( '\n' ) ) ; } ; page . onResourceRequested = function ( request ) { system . stderr . writeLine ( '= onResourceRequested()' ) ; system . stderr . writeLine ( '  request: ' + JSON . stringify ( request , undefined , 4 ) ) ; } ; page . onResourceReceived = function ( response ) { system . stderr . writeLine ( '= onResourceReceived()' ) ; system . stderr . writeLine ( '  id: ' + response . id + ', stage: "' + response . stage + '", response: ' + JSON . stringify ( response ) ) ; } ; page . onLoadStarted = function ( ) { system . stderr . writeLine ( '= onLoadStarted()' ) ; var currentUrl = page . evaluate ( function ( ) { return window . location . href ; } ) ; system . stderr . writeLine ( '  leaving url: ' + currentUrl ) ; } ; page . onNavigationRequested = function ( url , type , willNavigate , main ) { system . stderr . writeLine ( '= onNavigationRequested' ) ; system . stderr . writeLine ( '  destination_url: ' + url ) ; system . stderr . writeLine ( '  type (cause): ' + type ) ; system . stderr . writeLine ( '  will navigate: ' + willNavigate ) ; system . stderr . writeLine ( '  from page\'s main frame: ' + main ) ; } ; page . onLoadFinished = function ( status ) { system . stderr . writeLine ( '= onLoadFinished()' ) ; system . stderr . writeLine ( '  status: ' + status ) ; } ; }
Decorate the given WebPage with handlers to produce verbose output.
Source:
https://newspaint.wordpress.com/2013/04/25/getting-to-the-bottom-of-why-a-phantomjs-page-load-fails/
Decorate the given WebPage with handlers to produce verbose output . Source : https : // newspaint . wordpress . com / 2013 / 04 / 25 / getting - to - the - bottom - of - why - a - phantomjs - page - load - fails /