Examples with CommandPanicException dmg.util.CommandPanicException used on opensource projects

Example 1 with CommandPanicException

use of dmg.util.CommandPanicException in project dcache by dCache.

the class ShellApplication method execute.

/**
 * Executes a single command with the output being printed to the console.
 */
public void execute(Args args) throws Throwable {
    if (args.argc() == 0) {
        return;
    }
    String out;
    try {
        if (isAnsiSupported && args.argc() > 0) {
            if (args.argv(0).equals("help")) {
                args.shift();
                args = new Args("help -format=" + HelpFormat.ANSI + " " + args.toString());
            }
        }
        try {
            out = Objects.toString(commandInterpreter.command(args), null);
        } catch (CommandThrowableException e) {
            throw e.getCause();
        }
    } catch (CommandSyntaxException e) {
        Ansi sb = Ansi.ansi();
        sb.fg(RED).a("Syntax error: " + e.getMessage() + "\n").reset();
        String help = e.getHelpText();
        if (help != null) {
            sb.a(help);
        }
        out = sb.toString();
    } catch (CommandExitException e) {
        throw e;
    } catch (CommandPanicException e) {
        Ansi sb = Ansi.ansi();
        sb.fg(RED).a("Bug detected! ").reset().a("Please email the following details to <support@dcache.org>:\n");
        Throwable t = e.getCause() == null ? e : e.getCause();
        StringWriter sw = new StringWriter();
        t.printStackTrace(new PrintWriter(sw));
        out = sb.a(sw.toString()).toString();
    } catch (Exception e) {
        out = Ansi.ansi().fg(RED).a(e.getMessage()).reset().toString();
    }
    if (!isNullOrEmpty(out)) {
        console.print(out);
        if (out.charAt(out.length() - 1) != '\n') {
            console.println();
        }
    }
    console.flush();
}

Example 2 with CommandPanicException

use of dmg.util.CommandPanicException in project dcache by dCache.

the class UniversalSpringCell method executeSetup.

private void executeSetup(CommandInterpreter interpreter, String source, byte[] data) throws CommandException {
    try {
        BufferedReader in = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(data), UTF_8));
        int lineCount = 1;
        for (String line = in.readLine(); line != null; line = in.readLine(), lineCount++) {
            line = line.trim();
            if (line.isEmpty() || line.charAt(0) == '#') {
                continue;
            }
            try {
                Serializable result = interpreter.command(new Args(line));
                if (result instanceof DelayedReply) {
                    ((DelayedReply) result).take();
                }
            } catch (InterruptedException e) {
                throw new CommandExitException("Error at " + source + ":" + lineCount + ": command interrupted");
            } catch (CommandPanicException e) {
                throw new CommandPanicException("Error at " + source + ":" + lineCount + ": " + e.getMessage(), e);
            } catch (CommandException e) {
                throw new CommandThrowableException("Error at " + source + ":" + lineCount + ": " + e.getMessage(), e);
            }
        }
    } catch (IOException e) {
        // Should not be possible
        throw new RuntimeException(e);
    }
}

Example 3 with CommandPanicException

use of dmg.util.CommandPanicException in project dcache by dCache.

the class DelayedCommand method run.

@Override
public void run() {
    Serializable result;
    try {
        result = execute();
    } catch (Exception e) {
        try {
            Method method = ReflectionUtils.getAnyMethod(getClass(), "execute");
            if (!ReflectionUtils.hasDeclaredException(method, e)) {
                LOGGER.error("Command failed due to a bug, please contact support@dcache.org.", e);
                e = new CommandPanicException("Command failed: " + e, e);
            }
        } catch (NoSuchMethodException suppressed) {
            e.addSuppressed(suppressed);
        }
        result = e;
    }
    reply(result);
}

Example 4 with CommandPanicException

use of dmg.util.CommandPanicException in project dcache by dCache.

the class AnsiTerminalCommand method runAsciiMode.

private void runAsciiMode() throws IOException {
    Ansi.setEnabled(_useColors);
    while (true) {
        String prompt = Ansi.ansi().bold().a(_userAdminShell.getPrompt()).boldOff().toString();
        Object result;
        try {
            String str = _console.readLine(prompt);
            try {
                if (str == null) {
                    throw new CommandExitException();
                }
                result = _userAdminShell.executeCommand(str);
            } catch (IllegalArgumentException e) {
                result = e.toString();
            } catch (SerializationException e) {
                result = "There is a bug here, please report to support@dcache.org";
                LOGGER.error("This must be a bug, please report to support@dcache.org.", e);
            } catch (CommandSyntaxException e) {
                result = e;
            } catch (CommandExitException e) {
                break;
            } catch (CommandPanicException e) {
                result = "Command '" + str + "' triggered a bug (" + e.getTargetException() + "); the service log file contains additional information. Please " + "contact support@dcache.org.";
            } catch (CommandException e) {
                result = e.getMessage();
            } catch (NoRouteToCellException e) {
                result = "Cell name does not exist or cell is not started: " + e.getMessage();
                LOGGER.warn("The cell the command was sent to is no " + "longer there: {}", e.getMessage());
            } catch (RuntimeException e) {
                result = String.format("Command '%s' triggered a bug (%s); please" + " locate this message in the log file of the admin service and" + " send an email to support@dcache.org with this line and the" + " following stack-trace", str, e);
                LOGGER.error((String) result, e);
            }
        } catch (InterruptedIOException e) {
            _console.getCursorBuffer().clear();
            _console.println();
            result = null;
        } catch (InterruptedException e) {
            _console.println("^C");
            _console.flush();
            _console.getCursorBuffer().clear();
            result = null;
        } catch (IOException e) {
            throw e;
        } catch (Exception e) {
            result = e.getMessage();
            if (result == null) {
                result = e.getClass().getSimpleName() + ": (null)";
            }
        }
        if (result != null) {
            if (result instanceof CommandSyntaxException) {
                CommandSyntaxException e = (CommandSyntaxException) result;
                Ansi sb = Ansi.ansi();
                sb.fg(RED).a("Syntax error: ").a(e.getMessage()).newline();
                String help = e.getHelpText();
                if (help != null) {
                    sb.fg(CYAN);
                    sb.a("Help : ").newline();
                    sb.a(help);
                }
                _console.println(sb.reset().toString());
            } else {
                String s;
                s = Strings.toMultilineString(result);
                if (!s.isEmpty()) {
                    _console.println(s);
                    _console.flush();
                }
            }
        }
        _console.flush();
    }
}

Example 5 with CommandPanicException

use of dmg.util.CommandPanicException in project dcache by dCache.

the class DirectCommand method executeCommands.

private void executeCommands() {
    for (String command : commands) {
        Object error = null;
        try {
            Object result = shell.executeCommand(command);
            String s = Strings.toString(result);
            if (!s.isEmpty()) {
                outWriter.println(s);
            }
            outWriter.flush();
        } catch (IllegalArgumentException e) {
            error = e.toString();
        } catch (SerializationException e) {
            error = "There is a bug here, please report to support@dcache.org";
            LOGGER.error("This must be a bug, please report to support@dcache.org.", e);
        } catch (CommandSyntaxException e) {
            error = e;
        } catch (CommandEvaluationException | CommandAclException e) {
            error = e.getMessage();
        } catch (CommandExitException e) {
            break;
        } catch (CommandPanicException e) {
            error = String.format("Command '%s' triggered a bug (%s);" + "the service log file contains additional information. Please " + "contact support@dcache.org.", command, e.getTargetException());
        } catch (CommandException e) {
            error = e.getMessage();
        } catch (NoRouteToCellException e) {
            error = "Cell name does not exist or cell is not started: " + e.getMessage();
            LOGGER.warn("Command cannot be executed in the cell, cell is gone {}", e.getMessage());
        } catch (RuntimeException e) {
            error = String.format("Command '%s' triggered a bug (%s); please" + " locate this message in the log file of the admin service and" + " send an email to support@dcache.org with this line and the" + " following stack-trace", command, e);
            LOGGER.error((String) error, e);
        } catch (Exception e) {
            error = e.getMessage();
            if (error == null) {
                error = e.getClass().getSimpleName() + ": (null)";
            }
        }
        if (error != null) {
            if (error instanceof CommandSyntaxException) {
                CommandSyntaxException e = (CommandSyntaxException) error;
                errorWriter.append("Syntax error: ").println(e.getMessage());
            } else {
                errorWriter.println(error);
            }
            errorWriter.flush();
        }
    }
}