Petros, Perhaps this old thread will help: http://markmail.org/thread/k3y4d32adwnhbvhw
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: Petros <css03045_...@yahoo.gr> > To: java-user@lucene.apache.org > Sent: Sunday, May 17, 2009 2:24:04 PM > Subject: Lucene Applet > > > 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.(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 > { > 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 --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
