#fixed code
                                @Override
    public Component getTableCellRendererComponent(
            JTable table,
            Object value,
            boolean isSelected,
            boolean hasFocus,
            int row,
            int column) {
        try {
            setBackground(null);
            setForeground(null);
            setFont(null);
            setIcon(null);
            setHorizontalAlignment(SwingConstants.LEADING);
            super.getTableCellRendererComponent(
                    table, value, isSelected, hasFocus, row, column);
            int r = table.convertRowIndexToModel(row);
            int c = table.convertColumnIndexToModel(column);
            String url = table.getModel().getValueAt(r, DatenDownload.DOWNLOAD_URL_NR).toString();
            DatenDownload download = ddaten.listeDownloads.getDownloadByUrl(url);
            // Abos
            boolean abo = !table.getModel().getValueAt(r, DatenDownload.DOWNLOAD_ABO_NR).equals("");
            // Starts
            Start s = ddaten.starterClass.getStart(url);
            if (s != null) {
                setColor(this, s, isSelected);
            }
            if (c == DatenDownload.DOWNLOAD_RESTZEIT_NR) {
                this.setText(download.getTextRestzeit(ddaten, s));
            } else if (c == DatenDownload.DOWNLOAD_PROGRESS_NR) {
                int i = Integer.parseInt(download.arr[DatenDownload.DOWNLOAD_PROGRESS_NR]);
                setHorizontalAlignment(SwingConstants.CENTER);
                if (s != null && 1 < i && i < DatenDownload.PROGRESS_FERTIG) {
                    JProgressBar progressBar = new JProgressBar(0, 1000);
                    JPanel panel = new JPanel(new BorderLayout());
                    if (s != null) {
                        setColor(panel, s, isSelected);
                        setColor(progressBar, s, isSelected);
                    }
                    progressBar.setBorder(BorderFactory.createEmptyBorder());
                    progressBar.setStringPainted(true);
                    progressBar.setUI(new BasicProgressBarUI() {
                        @Override
                        protected Color getSelectionBackground() {
                            return UIManager.getDefaults().getColor("Table.foreground");
                        }

                        @Override
                        protected Color getSelectionForeground() {
                            return Color.white;
                        }
                    });
                    panel.add(progressBar);
                    panel.setBorder(BorderFactory.createEmptyBorder());
                    progressBar.setValue(i);
                    double d = i / 10.0;
                    progressBar.setString(Double.toString(d) + "%");
                    return panel;
                } else {
                    this.setText(download.getTextProgress(ddaten, s));
                }
            } else if (c == DatenDownload.DOWNLOAD_ABO_NR) {
                setFont(new java.awt.Font("Dialog", Font.BOLD, 12));
                if (abo) {
                    setForeground(GuiKonstanten.ABO_FOREGROUND);
                } else {
                    setForeground(GuiKonstanten.DOWNLOAD_FOREGROUND);
                    setIcon(new javax.swing.ImageIcon(getClass().getResource("/mediathek/res/nein_12.png")));
                    setHorizontalAlignment(SwingConstants.CENTER);
                }
            } else if (c == DatenDownload.DOWNLOAD_PROGRAMM_RESTART_NR) {
                boolean restart = download.isRestart();
                setHorizontalAlignment(SwingConstants.CENTER);
                if (restart) {
                    setIcon(new javax.swing.ImageIcon(getClass().getResource("/mediathek/res/ja_16.png")));
                } else {
                    setIcon(new javax.swing.ImageIcon(getClass().getResource("/mediathek/res/nein_12.png")));
                }
            }
        } catch (Exception ex) {
            Log.fehlerMeldung(758200166, Log.FEHLER_ART_PROG, this.getClass().getName(), ex);
        }
        return this;
    }
#vulnerable code 
                                @Override
    public Component getTableCellRendererComponent(
            JTable table,
            Object value,
            boolean isSelected,
            boolean hasFocus,
            int row,
            int column) {
        try {
            setBackground(null);
            setForeground(null);
            setFont(null);
            setIcon(null);
            setHorizontalAlignment(SwingConstants.LEADING);
            super.getTableCellRendererComponent(
                    table, value, isSelected, hasFocus, row, column);
            int r = table.convertRowIndexToModel(row);
            int c = table.convertColumnIndexToModel(column);
            String url = table.getModel().getValueAt(r, DatenDownload.DOWNLOAD_URL_NR).toString();
            // Abos
            boolean abo = !table.getModel().getValueAt(r, DatenDownload.DOWNLOAD_ABO_NR).equals("");
            // Starts
            Start s = ddaten.starterClass.getStart(url);
            if (s != null) {
                setColor(this, s, isSelected);
                if (c == DatenDownload.DOWNLOAD_RESTZEIT_NR) {
                    if (s.restSekunden > 0) {
                        if (s.restSekunden < 60) {
                            this.setText("< 1 Min.");
                        } else {
                            this.setText(Long.toString(s.restSekunden / 60) + " Min.");
                        }
                    } else {
                        this.setText("");
                    }
                } else if (c == DatenDownload.DOWNLOAD_PROGRESS_NR) {
                    int i = Integer.parseInt(s.datenDownload.arr[DatenDownload.DOWNLOAD_PROGRESS_NR]);
                    setHorizontalAlignment(SwingConstants.CENTER);
                    if (i == -1) {
                        // noch nicht gestartet
                        this.setText("");
                    } else if (i == DatenDownload.PROGRESS_WARTEN) {
                        this.setText("warten");
                    } else if (i == DatenDownload.PROGRESS_GESTARTET) {
                        this.setText("gestartet");
                    } else if (1 < i && i < DatenDownload.PROGRESS_FERTIG) {
//////                        return new ProgressPanel(s).progressPanel();
                        JProgressBar progressBar = new JProgressBar(0, 1000);
                        JPanel panel = new JPanel(new BorderLayout());
                        setColor(panel, s, isSelected);
                        setColor(progressBar, s, isSelected);
                        progressBar.setBorder(BorderFactory.createEmptyBorder());
                        progressBar.setStringPainted(true);
                        progressBar.setUI(new BasicProgressBarUI() {
                            @Override
                            protected Color getSelectionBackground() {
                                return UIManager.getDefaults().getColor("Table.foreground");
                            }

                            @Override
                            protected Color getSelectionForeground() {
                                return Color.white;
                            }
                        });
                        panel.add(progressBar);
                        panel.setBorder(BorderFactory.createEmptyBorder());
                        progressBar.setValue(i);
                        double d = i / 10.0;
                        progressBar.setString(Double.toString(d) + "%");
                        return panel;
                    } else if (i == DatenDownload.PROGRESS_FERTIG) {
                        if (s != null) {
                            if (s.status == Start.STATUS_ERR) {
                                this.setText("fehlerhaft");
                            } else {
                                this.setText("fertig");
                            }
                        } else {
                            this.setText("fertig");
                        }
                    }
                }
            } else {
                if (c == DatenDownload.DOWNLOAD_PROGRESS_NR) {
                    this.setText("");
                }
            }
            if (c == DatenDownload.DOWNLOAD_ABO_NR) {
                setFont(new java.awt.Font("Dialog", Font.BOLD, 12));
                if (abo) {
                    setForeground(GuiKonstanten.ABO_FOREGROUND);
                } else {
                    setForeground(GuiKonstanten.DOWNLOAD_FOREGROUND);
                    setIcon(new javax.swing.ImageIcon(getClass().getResource("/mediathek/res/nein_12.png")));
                    setHorizontalAlignment(SwingConstants.CENTER);
                }
            }
            if (c == DatenDownload.DOWNLOAD_PROGRAMM_RESTART_NR) {
                boolean restart = ddaten.listeDownloads.getDownloadByUrl(url).isRestart();
                setHorizontalAlignment(SwingConstants.CENTER);
                if (restart) {
                    setIcon(new javax.swing.ImageIcon(getClass().getResource("/mediathek/res/ja_16.png")));
                } else {
                    setIcon(new javax.swing.ImageIcon(getClass().getResource("/mediathek/res/nein_12.png")));
                }
            }
        } catch (Exception ex) {
            Log.fehlerMeldung(758200166, Log.FEHLER_ART_PROG, this.getClass().getName(), ex);
        }
        return this;
    } 
                            #location 99 
                            #vulnerability type NULL_DEREFERENCE