Hello there.
I am developing a Lucene search which will search text files
using an applet as GUI.
I create the index file and the searching works
when I am running the application from the command line.
However when I run the applet and I make a searching
I get the error :
Exception in thread "AWT-EventQueue-2" java.lang.ExceptionInInitializerError
at gui.search(gui.java:105)
at gui$ButtonListener.actionPerformed(gui.java:71)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown
Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.security.AccessControlException: access denied
(java.util.PropertyPermission
org.apache.lucene.analysis.standard.StandardAnalyzer.replaceInvalidAcronym
read)
at java.security.AccessControlContext.checkPermission(Unknown Source)
at java.security.AccessController.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPermission(Unknown Source)
at java.lang.SecurityManager.checkPropertyAccess(Unknown Source)
at java.lang.System.getProperty(Unknown Source)
at
org.apache.lucene.analysis.standard.StandardAnalyzer.<clinit>(StandardAnalyzer.java:50)
... 26 more
Code:
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.IOException;
import java.io.StringReader;
import org.apache.lucene.queryParser.ParseException;
import java.lang.*;
import java.io.*;
import java.util.*;
import org.apache.lucene.search.Hits;
import org.apache.lucene.search.Query;
import org.apache.lucene.document.Field;
import org.apache.lucene.search.Searcher;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.document.Document;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TopDocCollector;
import org.apache.lucene.store.Directory;
public class gui extends JApplet
{
private Container myContainer;
private JTextField myField=new JTextField(20);
private JLabel myLabel=new JLabel();
String terms=new String();
public void init()
{
myContainer=getContentPane();
myContainer.setLayout(new FlowLayout());
JLabel searchLabel=new JLabel("Search");
myContainer.add(searchLabel);
myContainer.add(myField);
JButton myButton=new JButton("start search");
myContainer.add(myButton);
ButtonListener myListener=new ButtonListener();
myButton.addActionListener(myListener);
myContainer.add(myLabel);
}
private class ButtonListener implements ActionListener
{
public void actionPerformed(ActionEvent event)
{
try
{
terms=myField.getText();
search();
}
catch(IOException ioe)
{}
catch(ParseException pe)
{}
}
}
public void search() throws IOException, ParseException
{
StandardAnalyzer analyzer = new StandardAnalyzer();
myLabel.setText( terms );
Query q = new QueryParser("article", analyzer).parse(terms);
int hitsPerPage = 40;
IndexSearcher searcher = new
IndexSearcher(FSDirectory.getDirectory("lucene-index"));
TopDocCollector collector = new TopDocCollector(hitsPerPage);
searcher.search(q, collector);
ScoreDoc[] hits = collector.topDocs().scoreDocs;
String filename1="results_machine";
FileWriter writeConnToFile = new FileWriter(filename1);
PrintWriter printFile = new PrintWriter(new
BufferedWriter(writeConnToFile));
System.out.println("Found " + hits.length + " hits.");
for(int i=0;i<hits.length;++i)
{
int docId = hits[i].doc;
Document d = searcher.doc(docId);
printFile.println(d.get("docno"));
//System.out.println((i + 1) + ". " +
d.get("headline")+"\n"+"\n"+"\n");
}
printFile.close();
searcher.close();
}
}
Thanks
Petros
--
View this message in context:
http://www.nabble.com/Lucene-Applet-tp23586143p23586143.html
Sent from the Lucene - Java Users mailing list archive at Nabble.com.
---------------------------------------------------------------------
To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
For additional commands, e-mail: java-user-h...@lucene.apache.org
