[英]AWS Lambda create PDF error stream
我正在尝试创建一个pdf,并使用html-pdf模块从S3中存储的HTML模板中存储它。 当尝试午餐pdF.create时出现此异常
Error: write EPIPE
at exports._errnoException (util.js:1018:11)
at WriteWrap.afterWrite (net.js:800:14)
下面是我的pdf.create函数
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");
}
});
});
}
});
能帮我了解如何解决吗?
非常感谢
为了从在AWS Lambda上运行的phantomjs获取二进制文件,我不得不将它们复制到/tmp
文件夹,并更新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')});
});
});
}
}
);
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.