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[英]AWS Lambda nodejs function throwing exception to generate html to pdf using html-pdf
[英]html-pdf package is not working on aws lambda
我已经尝试在部署在AWS lambda的代码中实现html-pdf package,但即使我在 lambda 部署了 html-pdf package 的层后也会出现错误。下面是我的代码:
import pdf from 'html-pdf';
import AWS from 'aws-sdk';
var S3 = new AWS.S3();
process.env.PATH = `${process.env.PATH}:/opt`;
process.env.FONTCONFIG_PATH = "/opt";
process.env.LD_LIBRARY_PATH = "/opt";
export const convertToPDFandUpload = async (attachmentFile, empCertificate) => {
let file;
let params;
var options = {
height: "590px",
width: "800px",
phantomPath: '/opt/phantomjs_linux-x86_64'
};
return new Promise((resolve, reject) => {
pdf.create(attachmentFile, options).toBuffer(function (err, res) {
if (err)
console.log(err);
file = res;
params = {
Bucket: <my_bucket_name>,
Key: `certificate/${empCertificate.candidateName}${empCertificate.certificateID}.pdf`,
Body: file,
ACL: 'public-read'
};
S3.upload(params, async function (err, data) {
if (err) {
console.log(err, err.stack);
reject(null);
} else {
resolve(data.Location);
}
});
});
});
};
它在 toBuffer() function 之后抛出错误。
错误:{“errorType”:“TypeError”,“errorMessage”:“无法读取未定义的属性'文件名'”,“堆栈”:[“TypeError:无法读取未定义的属性'文件名'”,“在execPdfToBuffer(/ var /task/apis/webpack:/home/nikhilsrivastva/Desktop/HR Onboarding/onboarding BE/hronboardingcodebase/services/certification/node_modules/html-pdf/lib/pdf.js:48:1)", " at ChildProcess.respond ( /var/task/apis/webpack:/home/nihilsrivastva/Desktop/HR Onboarding/onboarding BE/hronboardingcodebase/services/certification/node_modules/html-pdf/lib/pdf.js:144:1)", " 在 ChildProcess.发出(events.js:314:20)”,“在 ChildProcess.EventEmitter.emit(domain.js:483:12)”,“在 Process.ChildProcess._handle.onexit(内部/child_process.js:276:12) “]}
zip 层文件必须包含一个名为“nodejs”的文件夹,并且该文件夹必须包含具有您的依赖项的“node_modules”文件夹。 在此处查看确切的结构: https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html#configuration-layers-path
适用于 Node.js 的 AWS X-Ray SDK 的示例文件结构
`xray-sdk.zip └ nodejs/node_modules/aws-xray-sdk`
因此,您可以验证您的层 zip 文件具有正确的结构。
在选项中,设置localUrlAccess: true
,我遇到了同样的问题,这解决了它。
var options = {
height: "590px",
width: "800px",
phantomPath: '/opt/phantomjs_linux-x86_64',
localUrlAccess: true
};
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