code: private Configuration generateClusterConfiguration(Configuration configuration) {
  		final Configuration resultConfiguration = new Configuration(Preconditions.checkNotNull(configuration));
  
  		final String webTmpDir = configuration.getString(WebOptions.TMP_DIR);
  		final File uniqueWebTmpDir = new File(webTmpDir, "flink-web-" + UUID.randomUUID());
  
  		resultConfiguration.setString(WebOptions.TMP_DIR, uniqueWebTmpDir.getAbsolutePath());
  
  		return resultConfiguration;
  	}
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