| 1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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| 2 | package org.openstreetmap.josm.tools;
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| 3 |
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| 4 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 5 |
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| 6 | import java.awt.Component;
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| 7 | import java.awt.GridBagLayout;
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| 8 | import java.awt.Toolkit;
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| 9 | import java.awt.datatransfer.Clipboard;
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| 10 | import java.awt.datatransfer.ClipboardOwner;
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| 11 | import java.awt.datatransfer.StringSelection;
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| 12 | import java.awt.datatransfer.Transferable;
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| 13 | import java.io.PrintWriter;
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| 14 | import java.io.StringWriter;
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| 15 | import java.net.URL;
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| 16 | import java.nio.ByteBuffer;
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| 17 |
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| 18 | import javax.swing.JLabel;
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| 19 | import javax.swing.JOptionPane;
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| 20 | import javax.swing.JPanel;
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| 21 | import javax.swing.JScrollPane;
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| 22 | import javax.swing.JTextArea;
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| 23 |
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| 24 | import org.openstreetmap.josm.Main;
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| 25 | import org.openstreetmap.josm.actions.ShowStatusReportAction;
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| 26 | import org.openstreetmap.josm.gui.JMultilineLabel;
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| 27 | import org.openstreetmap.josm.plugins.PluginHandler;
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| 28 |
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| 29 | /**
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| 30 | * An exception handler that asks the user to send a bug report.
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| 31 | *
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| 32 | * @author imi
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| 33 | */
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| 34 | public final class BugReportExceptionHandler implements Thread.UncaughtExceptionHandler {
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| 35 |
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| 36 | private static boolean handlingInProgress = false;
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| 37 |
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| 38 | public void uncaughtException(Thread t, Throwable e) {
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| 39 | handleException(e);
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| 40 | }
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| 41 |
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| 42 | //http://stuffthathappens.com/blog/2007/10/15/one-more-note-on-uncaught-exception-handlers/
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| 43 | public void handle(Throwable t) {
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| 44 | handleException(t);
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| 45 | }
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| 46 |
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| 47 | public static void handleException(Throwable e) {
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| 48 | if (handlingInProgress)
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| 49 | return; // we do not handle secondary exceptions, this gets too messy
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| 50 | handlingInProgress = true;
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| 51 | try {
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| 52 | e.printStackTrace();
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| 53 | if (Main.parent != null) {
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| 54 | if (e instanceof OutOfMemoryError) {
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| 55 | // do not translate the string, as translation may raise an exception
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| 56 | JOptionPane.showMessageDialog(Main.parent, "JOSM is out of memory. " +
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| 57 | "Strange things may happen.\nPlease restart JOSM with the -Xmx###M option,\n" +
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| 58 | "where ### is the number of MB assigned to JOSM (e.g. 256).\n" +
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| 59 | "Currently, " + Runtime.getRuntime().maxMemory()/1024/1024 + " MB are available to JOSM.",
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| 60 | "Error",
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| 61 | JOptionPane.ERROR_MESSAGE
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| 62 | );
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| 63 | return;
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| 64 | }
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| 65 |
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| 66 | // Give the user a chance to deactivate the plugin which threw the exception (if it
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| 67 | // was thrown from a plugin)
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| 68 | //
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| 69 | PluginHandler.disablePluginAfterException(e);
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| 70 |
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| 71 | // Then ask for submitting a bug report, for exceptions thrown from a plugin too
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| 72 | //
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| 73 | Object[] options = new String[]{tr("Do nothing"), tr("Report Bug")};
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| 74 | int answer = JOptionPane.showOptionDialog(
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| 75 | Main.parent,
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| 76 | "<html>"
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| 77 | + tr("An unexpected exception occurred.<br>" +
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| 78 | "This is always a coding error. If you are running the latest<br>" +
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| 79 | "version of JOSM, please consider being kind and file a bug report."
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| 80 | )
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| 81 | + "</html>",
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| 82 | tr("Unexpected Exception"),
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| 83 | JOptionPane.YES_NO_OPTION,
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| 84 | JOptionPane.ERROR_MESSAGE,
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| 85 | null,
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| 86 | options, options[0]
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| 87 | );
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| 88 | if (answer != 1) return;
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| 89 |
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| 90 | try {
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| 91 | final int maxlen = 6000;
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| 92 | StringWriter stack = new StringWriter();
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| 93 | e.printStackTrace(new PrintWriter(stack));
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| 94 |
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| 95 | String text = ShowStatusReportAction.getReportHeader()
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| 96 | + stack.getBuffer().toString();
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| 97 | String urltext = text.replaceAll("\r",""); /* strip useless return chars */
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| 98 | if(urltext.length() > maxlen)
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| 99 | {
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| 100 | urltext = urltext.substring(0,maxlen);
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| 101 | int idx = urltext.lastIndexOf("\n");
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| 102 | /* cut whole line when not loosing too much */
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| 103 | if(maxlen-idx < 200) {
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| 104 | urltext = urltext.substring(0,idx+1);
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| 105 | }
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| 106 | urltext += "...<snip>...\n";
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| 107 | }
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| 108 |
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| 109 | URL url = new URL("http://josm.openstreetmap.de/josmticket?" +
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| 110 | "tdata="+Base64.encode(ByteBuffer.wrap(urltext.getBytes("UTF8")), true));
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| 111 |
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| 112 | JPanel p = new JPanel(new GridBagLayout());
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| 113 | p.add(new JMultilineLabel(
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| 114 | tr("You have encountered an error in JOSM. Before you file a bug report " +
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| 115 | "make sure you have updated to the latest version of JOSM here:")), GBC.eol());
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| 116 | p.add(new UrlLabel("http://josm.openstreetmap.de/#Download"), GBC.eop().insets(8,0,0,0));
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| 117 | p.add(new JMultilineLabel(
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| 118 | tr("You should also update your plugins. If neither of those help please " +
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| 119 | "file a bug report in our bugtracker using this link:")), GBC.eol());
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| 120 | p.add(new UrlLabel(url.toString(), "http://josm.openstreetmap.de/josmticket?..."), GBC.eop().insets(8,0,0,0));
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| 121 | p.add(new JMultilineLabel(
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| 122 | tr("There the error information provided below should already be " +
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| 123 | "filled in for you. Please include information on how to reproduce " +
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| 124 | "the error and try to supply as much detail as possible.")), GBC.eop());
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| 125 | p.add(new JMultilineLabel(
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| 126 | tr("Alternatively, if that does not work you can manually fill in the information " +
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| 127 | "below at this URL:")), GBC.eol());
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| 128 | p.add(new UrlLabel("http://josm.openstreetmap.de/newticket"), GBC.eop().insets(8,0,0,0));
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| 129 | try {
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| 130 | Toolkit.getDefaultToolkit().getSystemClipboard().setContents(new StringSelection(text), new ClipboardOwner(){
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| 131 | public void lostOwnership(Clipboard clipboard, Transferable contents) {}
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| 132 | });
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| 133 | p.add(new JLabel(tr("(The text has already been copied to your clipboard.)")), GBC.eop());
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| 134 | }
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| 135 | catch (RuntimeException x) {}
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| 136 |
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| 137 | JTextArea info = new JTextArea(text, 20, 60);
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| 138 | info.setCaretPosition(0);
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| 139 | info.setEditable(false);
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| 140 | p.add(new JScrollPane(info), GBC.eop());
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| 141 |
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| 142 | for (Component c: p.getComponents()) {
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| 143 | if (c instanceof JMultilineLabel) {
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| 144 | ((JMultilineLabel)c).setMaxWidth(400);
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| 145 | }
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| 146 | }
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| 147 |
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| 148 | JOptionPane.showMessageDialog(Main.parent, p, tr("You have encountered a bug in JOSM"), JOptionPane.ERROR_MESSAGE);
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| 149 | } catch (Exception e1) {
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| 150 | e1.printStackTrace();
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| 151 | }
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| 152 | }
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| 153 | } finally {
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| 154 | handlingInProgress = false;
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| 155 | }
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| 156 | }
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| 157 | public static boolean exceptionHandlingInProgress() {
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| 158 | return handlingInProgress;
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| 159 | }
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| 160 | }
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