troubleshooting Question

Java Singlton web file path

Avatar of wsyy
wsyy asked on
JavaWeb Development
41 Comments2 Solutions450 ViewsLast Modified:

My web application needs to call a java class, which is a singlton and load files as inputs.

The structure is as follow:


The file is a singlton, and called by the index.jsp file.

During the initialization of the instance of the, the initialization will load the test.txt (under the training folder). Part of the .java file is attached.

I used a number of way to load the .txt, but failed to do so.

Does anyone have the same experience?


public class YYTLinearClassifier extends ColumnDataClassifier {

	private static Classifier<String, String> cdc;

	private static boolean serialized = true;

	private static final String modelPath = "/training/model/yytmodel.ser";
	private static final String propPath = "/training/yytmodel.prop";
	private static final String trainPath = "/training/yytmodel.train";

	private static YYTLinearClassifier instance;

	public static YYTLinearClassifier getInstance() {
		if (instance == null) {
			Properties props = StringUtils.propFileToProperties(propPath);
			instance = new YYTLinearClassifier(props);

			if (!serialized) {
				cdc = instance.makeClassifier(instance
				serialized = serializeClassifier(cdc);

			} else if (!deserializeClassifier()) {
				instance = null;

		return instance;
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