[英]AWS Lambda create PDF error stream
我正在嘗試創建一個pdf,並使用html-pdf模塊從S3中存儲的HTML模板中存儲它。 當嘗試午餐pdF.create時出現此異常
Error: write EPIPE
at exports._errnoException (util.js:1018:11)
at WriteWrap.afterWrite (net.js:800:14)
下面是我的pdf.create函數
pdf.create(templateHtml, options).toStream(function (err, stream) {
console.log("stream :" + stream);
if (err) {
console.log('pdf err : ', err);
} else {
var stream = stream.pipe(fs.createWriteStream(filename));
stream.on('finish', function () {
let params_out = {
Bucket : "partecipants-report",
Key : "template_upload.html",
Body : fs.createReadStream(filename),
ContentType : "application/pdf"
};
s3.putObject(params_out, function(err, data) {
if (err) console.log(err, err.stack); // an error occurred
else{
console.log("upload ended :" + data);
context.succeed("upload ended");
}
});
});
}
});
能幫我了解如何解決嗎?
非常感謝
為了從在AWS Lambda上運行的phantomjs獲取二進制文件,我不得不將它們復制到/tmp
文件夾,並更新Lambda的PATH
和html-pdf
phantomPath
:
process.env['PATH'] = process.env['PATH'] + ':/tmp/:' + process.env['LAMBDA_TASK_ROOT'];
var options = { phantomPath: '/tmp/phantomjs' };
require('child_process').exec(
'cp /var/task/node_modules/phantomjs-prebuilt/lib/phantom/bin/phantomjs /tmp/.; chmod 755 /tmp/phantomjs;',
function (error, stdout, stderr) {
if (error) {
//handle error
console.log(error);
} else {
pdf.create(html, options).toBuffer(function (err, buffer) {
if (err) return console.log(err);
const s3PutParams = {
Bucket: 'my-bucket',
Key: Date.now().toString() + '.pdf',
Body: buffer,
ContentType: 'application/pdf',
};
s3.putObject(s3PutParams, function (error, data) {
if (error) {
console.error('s3:putObject failed!');
callback(error);
return;
}
callback(null, {statusCode: 200, body: JSON.stringify('Success')});
});
});
}
}
);
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