Calling Message.setStringProperty inside war breaks System.p

[mgmartin]

This is a jre issue.
If the list works but the get does not, I don't see how it can anything to do with jboss.

I'm surprised it even lets you do anything with system properties
from inside an applet?

Regards,
Adrian

[adrian.brock]

This is a jre issue.
If the list works but the get does not, I don't see how it can anything to do with jboss.

I'm surprised it even lets you do anything with system properties
from inside an applet?

Regards,
Adrian

[mgmartin]

The list doesn't work. It's filled with garbage on the end. Here is another test case without me calling getProperties. A simple applet to connect to a topic, then create a JTable.

/*
 * test.java
 *
 * Created on December 23, 2003, 7:36 PM
 */



import java.util.Properties;

import javax.jms.*;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.swing.JApplet;


/**
 *
 * @author michael
 */
public class test extends JApplet {

 /** Initializes the applet test */
 public void init() {

 try {
 TopicConnection conn = null;
 TopicSession session = null;
 Topic topic = null;

 StringBuffer buf = new StringBuffer();

 Properties p = new Properties();
 p.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
 p.put(Context.PROVIDER_URL, "jnp://oblivion:1099");
 p.put(Context.URL_PKG_PREFIXES, "org.jboss.naming:org.jnp.interfaces");

 InitialContext ctx = new InitialContext(p);
 TopicConnectionFactory tcf=
 (TopicConnectionFactory)ctx.lookup("UILConnectionFactory");

 conn = tcf.createTopicConnection();
 session = conn.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

 topic = (Topic)ctx.lookup("topic/testTopic");

 TopicPublisher pub = session.createPublisher(topic);
 conn.start();
 Message m = session.createTextMessage();
 m.setStringProperty("MsgType", "NewLog");
 }
 catch (Exception e) {
 //jTextArea1.append("** Error " + e.toString());
 e.printStackTrace();
 }
 initComponents();

 }

 /** This method is called from within the init() method to
 * initialize the form.
 * WARNING: Do NOT modify this code. The content of this method is
 * always regenerated by the Form Editor.
 */
 private void initComponents() {
 jButton1 = new javax.swing.JButton();
 jScrollPane1 = new javax.swing.JScrollPane();
 jSplitPane1 = new javax.swing.JSplitPane();
 jPanel1 = new javax.swing.JPanel();
 jTable1 = new javax.swing.JTable();
 jScrollPane2 = new javax.swing.JScrollPane();
 jTextArea1 = new javax.swing.JTextArea();

 jButton1.setText("jButton1");
 jButton1.addActionListener(new java.awt.event.ActionListener() {
 public void actionPerformed(java.awt.event.ActionEvent evt) {
 jButton1ActionPerformed(evt);
 }
 });

 getContentPane().add(jButton1, java.awt.BorderLayout.SOUTH);

 jSplitPane1.setOrientation(javax.swing.JSplitPane.VERTICAL_SPLIT);
 jSplitPane1.setResizeWeight(0.9);
 jPanel1.setLayout(new javax.swing.BoxLayout(jPanel1, javax.swing.BoxLayout.Y_AXIS));

 jTable1.setModel(new javax.swing.table.DefaultTableModel(
 new Object [][] {
 {null, null, null, null},
 {null, null, null, null},
 {null, null, null, null},
 {null, null, null, null}
 },
 new String [] {
 "Title 1", "Title 2", "Title 3", "Title 4"
 }
 ));
 jPanel1.add(jTable1);

 jSplitPane1.setLeftComponent(jPanel1);

 jScrollPane2.setViewportView(jTextArea1);

 jSplitPane1.setRightComponent(jScrollPane2);

 jScrollPane1.setViewportView(jSplitPane1);

 getContentPane().add(jScrollPane1, java.awt.BorderLayout.CENTER);

 }

 private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
 // Add your handling code here:
 try {
 //test_pub t = new test_pub();
 //jTextArea1.setText(t.setup());
 }
 catch (Exception e) {
 e.printStackTrace();
 }

 }


 // Variables declaration - do not modify
 private javax.swing.JButton jButton1;
 private javax.swing.JPanel jPanel1;
 private javax.swing.JScrollPane jScrollPane1;
 private javax.swing.JScrollPane jScrollPane2;
 private javax.swing.JSplitPane jSplitPane1;
 private javax.swing.JTable jTable1;
 private javax.swing.JTextArea jTextArea1;
 // End of variables declaration

}

Everything runs fine unless the call to m.setStringProperty("MsgType", "NewLog"); is executed. If it is executed and running inside a WAR file, the applet throws out this stack trace when creating the JTable. I think the JRE is executing a call to get a system property as I was trying to show in my first example.

java.lang.NullPointerException
at java.io.UnixFileSystem.resolve(UnixFileSystem.java:92)
at java.io.UnixFileSystem.resolve(UnixFileSystem.java:118)
at java.io.File.getAbsolutePath(File.java:459)
at java.io.File.getAbsoluteFile(File.java:475)
at java.io.File.toURI(File.java:607)
at java.awt.datatransfer.SystemFlavorMap$1.run(SystemFlavorMap.java:171)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.datatransfer.SystemFlavorMap.<init>(SystemFlavorMap.java:160)
at java.awt.datatransfer.SystemFlavorMap.getDefaultFlavorMap(SystemFlavorMap.java:147)
at java.awt.dnd.DropTarget.<init>(DropTarget.java:805)
at java.awt.dnd.DropTarget.<init>(DropTarget.java:131)
at javax.swing.TransferHandler$SwingDropTarget.<init>(TransferHandler.java:531)
at javax.swing.JComponent.setTransferHandler(JComponent.java:2742)
at javax.swing.plaf.basic.BasicTableUI.installDefaults(BasicTableUI.java:661)
at javax.swing.plaf.basic.BasicTableUI.installUI(BasicTableUI.java:618)
at javax.swing.JComponent.setUI(JComponent.java:449)
at javax.swing.JTable.setUI(JTable.java:2621)
at javax.swing.JTable.updateUI(JTable.java:2672)
at javax.swing.JTable.<init>(JTable.java:371)
at javax.swing.JTable.<init>(JTable.java:295)
at test.initComponents(test.java:70)
at test.init(test.java:56)
at sun.applet.AppletPanel.run(AppletPanel.java:353)
at java.lang.Thread.run(Thread.java:534)

I have turned on all permissions in the .java.policy file.

--Michael