[Libreoffice-bugs] [Bug 143718] New: when I convert word to pdf, appear a command window, after finished , the command window disappear.

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=143718

            Bug ID: 143718
           Summary: when I convert word to pdf, appear a command window,
                    after finished ,the command window disappear.
           Product: LibreOffice
           Version: 6.4.2.2 release
          Hardware: x86 (IA32)
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: LibreOffice
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: 675640539 at qq.com

Description:
when I execute soffice --headless --convert-to pdf, appear a command
window.After finished convert,the command window disappear.I have try other
arguments,like --invisible,--minimized,--invisible,and install other version of
libreoffice, such as 5.4.7.2 release

image:https://oscimg.oschina.net/oscnet/up-f5bfbe956a1d94815d3409e6b2e6c53c14e.png

Steps to Reproduce:
1.Execute soffice --headless --convert-to pdf by the javascript in website,a
command window appear.
2.Finished convert,the command window disappear.

Actual Results:
A command window appear.

Expected Results:
Command window not appear.


Reproducible: Always


User Profile Reset: No



Additional Info:
My OS is windows 7,here is my javascript,thanks.

'use strict';

const fs = require('fs');
const path = require('path');
const async = require('async');
const tmp = require('tmp');
const { exec } = require('child_process');

exports.convert = (document, format, filter, callback) => {
    const tempDir = tmp.dirSync({prefix: 'libreofficeConvert_', unsafeCleanup:
true});
    const installDir = tmp.dirSync({prefix: 'soffice', unsafeCleanup: true});
    return async.auto({
        soffice: (callback) => {
            let paths = [];
            switch (process.platform) {
                case 'darwin': paths =
['/Applications/LibreOffice.app/Contents/MacOS/soffice'];
                    break;
                case 'linux': paths = ['/usr/bin/libreoffice',
'/usr/bin/soffice'];
                    break;
                case 'win32': 
                console.log('process.env')
                console.log(process.env['PROGRAMFILES(X86)'])
                console.log('PROGRAMFILES')
                console.log(process.env.PROGRAMFILES)
                paths = [
                    'C:/Program Files/LibreOffice/program/soffice.exe'
                    // path.join(process.env['PROGRAMFILES(X86)'],
'LIBREO~1/program/soffice.exe'),
                    // path.join(process.env['PROGRAMFILES(X86)'],
'LibreOffice/program/soffice.exe'),
                    // path.join(process.env.PROGRAMFILES,
'LibreOffice/program/soffice.exe'),
                ];
                console.log('break')
                console.log(paths)
                    break;
                default:
                    return callback(new Error(`Operating system not yet
supported: ${process.platform}`));
            }

            return async.filter(
                paths,
                (filePath, callback) => fs.access(filePath, err =>
callback(null, !err)),
                (err, res) => {
                    if (res.length === 0) {
                        return callback(new Error('Could not find soffice
binary'));
                    }

                    return callback(null, process.platform === 'win32' ?
`"${res[0]}"` : res[0]);
                }
            );
        },
        saveSource: callback => fs.writeFile(path.join(tempDir.name, 'source'),
document, callback),
        convert: ['soffice', 'saveSource', (results, callback) => {
            let command = `${results.soffice} --headless --invisible
--convert-to ${format} `;
            if (filter !== undefined) {
                command += `:"${filter}"`;
            }
            command += ` --outdir ${tempDir.name} ${path.join(tempDir.name,
'source')}`;

            return exec(command, callback);
        }],
        loadDestination: ['convert', (results, callback) =>
            async.retry({
                times: 3,
                interval: 200
            }, (callback) => fs.readFile(path.join(tempDir.name,
`source.${format}`), callback), callback)
        ]
    }, (err, res) => {
        tempDir.removeCallback();
        installDir.removeCallback();

        if (err) {
            return callback(err);
        }

        return callback(null, res.loadDestination);
    });
};

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