Hey Everyone, I am using JSreport for production and it is deployed in Heroku with 1x dyno
But app keep crashing when 11 concurrent requests are made. I am unable to figure out what is the root issue
I am using the default jsreport.config.json
{
"extensions": {
"httpPort": 5488,
"httpsPort": null,
"store": {
"provider": "fs"
},
"blobStorage": {
"provider": "fs"
},
"logger": {
"console": {
"transport": "console",
"level": "debug"
},
"file": {
"transport": "file",
"level": "info",
"filename": "logs/reporter.log"
},
"error": {
"transport": "file",
"level": "error",
"filename": "logs/error.log"
}
},
"allowLocalFilesAccess": true,
"templatingEngines": {
"timeout": 10000,
"numberOfWorkers": 12,
"strategy": "http-server",
"templateCache": {
"max": 100,
"enabled": true
}
},
"chrome": {
"timeout": 40000,
"strategy": "chrome-pool",
"numberOfWorkers": 12,
"launchOptions": {
"args": [
"--no-sandbox"
]
}
}
}
can someone help me with the configuration
hi @gauravprwl14
hmm the configuration file looks wrong, it should be more like this:
{
"httpPort": 5488,
"httpsPort": null,
"store": {
"provider": "fs"
},
"blobStorage": {
"provider": "fs"
},
"logger": {
"console": {
"transport": "console",
"level": "debug"
},
"file": {
"transport": "file",
"level": "info",
"filename": "logs/reporter.log"
},
"error": {
"transport": "file",
"level": "error",
"filename": "logs/error.log"
}
},
"allowLocalFilesAccess": true,
"templatingEngines": {
"timeout": 10000,
"numberOfWorkers": 12,
"strategy": "http-server",
"templateCache": {
"max": 100,
"enabled": true
}
},
"extensions": {
"chrome": {
"timeout": 40000,
"strategy": "chrome-pool",
"numberOfWorkers": 12,
"launchOptions": {
"args": [
"--no-sandbox"
]
}
}
}
}however i don’t know if this is the real file you are using or you just copied it wrong here
as per the 11 concurrent requests problem hmm i don’t have a good explanation, it will be really weird the jsreport produces this alone, i guess this is a problem with some configuration in Heroku, are there no logs available in the Heroku side?
or maybe there are also some jsreport logs that you can share when does request are made, if it breaks at jsreport side you should be able to get some logs in logs/error.log
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.387Z - debug: Base url not specified, skipping its injection.
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.403Z - debug: Replaced assets ["Helvetica.otf"]
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.405Z - debug: Rendering engine handlebars
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.414Z - debug: Replaced assets ["Helvetica.otf"]
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.417Z - debug: Rendering engine handlebars
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.429Z - debug: Replaced assets ["Helvetica.otf"]
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.430Z - debug: Rendering engine handlebars
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.565Z - debug: Compiled template not found in the cache, compiling
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.570Z - debug: Executing recipe chrome-pdf
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.699Z - debug: Compiled template not found in the cache, compiling
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.708Z - debug: Compiled template not found in the cache, compiling
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.711Z - debug: Compiled template not found in the cache, compiling
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.724Z - debug: Compiled template not found in the cache, compiling
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.794Z - debug: Compiled template not found in the cache, compiling
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.796Z - debug: Compiled template not found in the cache, compiling
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.797Z - debug: Executing recipe chrome-pdf
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.798Z - debug: Executing recipe chrome-pdf
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.798Z - debug: Executing recipe chrome-pdf
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.800Z - debug: Compiled template not found in the cache, compiling
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.803Z - debug: Executing recipe chrome-pdf
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.806Z - debug: Executing recipe chrome-pdf
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.807Z - debug: Executing recipe chrome-pdf
May 25 04:01:10 airops-reporting-staging app/web.1 2020-05-25T11:01:10.809Z - debug: Executing recipe chrome-pdf
May 25 04:01:11 airops-reporting-staging app/web.1 2020-05-25T11:01:11.202Z - debug: Converting with chrome HeadlessChrome/79.0.3945.0 using chrome-pool strategy
May 25 04:01:11 airops-reporting-staging app/web.1 2020-05-25T11:01:11.430Z - debug: Converting with chrome HeadlessChrome/79.0.3945.0 using chrome-pool strategy
May 25 04:01:11 airops-reporting-staging app/web.1 2020-05-25T11:01:11.486Z - debug: Converting with chrome HeadlessChrome/79.0.3945.0 using chrome-pool strategy
May 25 04:01:14 airops-reporting-staging app/web.1 #1 0x55e7300d3ee3 base::debug::StackTrace::StackTrace()
May 25 04:01:14 airops-reporting-staging app/web.1 #3 0x55e73014225f base::SimpleThread::Start()
May 25 04:01:14 airops-reporting-staging app/web.1 #4 0x55e72e910a72 content::SandboxHostLinux::Init()
May 25 04:01:14 airops-reporting-staging app/web.1 #8 0x55e72fd5a9dd headless::(anonymous namespace)::RunContentMain()
May 25 04:01:14 airops-reporting-staging app/web.1 #9 0x55e72fd5a73b headless::HeadlessShellMain()
May 25 04:01:14 airops-reporting-staging app/web.1 #12 0x55e72da1f0aa _start
May 25 04:01:14 airops-reporting-staging app/web.1 #0 0x55e73016fe29 base::debug::CollectStackTrace()
May 25 04:01:14 airops-reporting-staging app/web.1 #1 0x55e7300d3ee3
HttpContext.JsReportFeature()
.Recipe(Recipe.ChromePdf)
.Engine(Engine.Handlebars)
.Configure((r) => r.Template.Chrome = new Chrome {
Format = "A4"
})
.Configure((r) =>
{
r.Template.PdfOperations = new[]
{
new PdfOperation()
{
Template = new Template
{
Content = strHeaderFooterHtml,
Engine = Engine.None,
Recipe = Recipe.ChromePdf,
Chrome = new Chrome {Format = "A4"}
},
Type = PdfOperationType.Merge
},
new PdfOperation()
{
Template = new Template
{
Content = strCoverHtml,
Engine = Engine.None,
Recipe = Recipe.ChromePdf,
Chrome = new Chrome {Format = "A4"}
},
Type = PdfOperationType.Prepend
}
};
.Recipe(Recipe.ChromePdf)
.Engine(Engine.Handlebars)
.Configure((r) => r.Template.Chrome = new Chrome {
Format = "A4"
})
.Configure((r) =>
{
r.Template.PdfOperations = new[]
{
new PdfOperation()
{
Template = new Template
{
Content = strHeaderFooterHtml,
Engine = Engine.None,
Recipe = Recipe.ChromePdf,
Chrome = new Chrome {Format = "A4"}
},
Type = PdfOperationType.Merge
},
new PdfOperation()
{
Template = new Template
{
Content = strCoverHtml,
Engine = Engine.None,
Recipe = Recipe.ChromePdf,
Chrome = new Chrome {Format = "A4"}
},
Type = PdfOperationType.Prepend
}
};
});
the standard header footer from https://playground.jsreport.net/w/admin/kMI4FBmw
but I see this rendered on the page.. {{#each $pdf.pages}}{{#if @index}}
I pass the HTML for header/footer as a string of the actual html
you likely want to use
Engine.Handlebars for the header merge operation
new PdfOperation()
{
Template = new Template
{
Content = strHeaderFooterHtml,
Helpers = strHeaderFooterHelper,
Engine = Engine.Handlebars,
Recipe = Recipe.ChromePdf,
Chrome = new Chrome {Format = "A4"}
},
Type = PdfOperationType.Merge
}
{
Template = new Template
{
Content = strHeaderFooterHtml,
Helpers = strHeaderFooterHelper,
Engine = Engine.Handlebars,
Recipe = Recipe.ChromePdf,
Chrome = new Chrome {Format = "A4"}
},
Type = PdfOperationType.Merge
}
gives An unhandled exception has occurred while executing the request.
Error while executing pdf-utils operations. Error while executing templating engine. Unexpected token 'return'
Error while executing pdf-utils operations. Error while executing templating engine. Unexpected token 'return'
the string is
function getPageNumber (pageIndex) {
if (pageIndex == null) {
return ''
}
const pageNumber = pageIndex + 1
return pageNumber}
function getTotalPages (pages) {
if (!pages) {
return ''
}
return pages.length}
otherwise the string looks good, not sure what is the problem, maybe some wrong escaping
You were right, now working
Is it better to post in here or on the Forums? I already posted my question on the forum (https://forum.jsreport.net/topic/1665/jsreport-types-missing) but i am not sure which is monitored more
Hi... I am trying to access the $pdf object in my handlebars template so that I can write conditional logic for the PDF header based on the pageNumber..... but I am unable to manage to get the $pdf variable working... it probably seems to stay undefined... I tried different ways but I am not able to make it work... PLEASE SOMEONE KINDLY HELP ME..
more info: using jsreport-core https://github.com/jsreport/jsreport-core in nodejs
Hello friends. I've updated from 2.6 to 2.10. I've set up a header/footer and use the options in studio to merge them. Then I set up toc to be merged in an afterRender function. This was working fine in 2.6. In 2.10, this breaks my page numbers in the toc. If I merge the toc via studio, it works as expected. I can't seem to tell why
I'm back! I was able to reproduce this using the toc template. Using 2.10.0 you'll notice that the page numbers don't display on the toc. If you run this using 2.6.0 and 1.5.1 pdf-utils, they display fine.
I need to give it some more thoughts tomorrow, but I already give you some info. The problem you experience was introduced by this jsreport/jsreport#626
because the script afterRender runs after the pdf utils, you don't see the hidden information and cannot calculate the pdf page numbers properly
we were aware of this so we introduced the solution here
at this moment it should probably work fine for you
string strDocx = _env.WebRootPath + "\\reports\\CV.docx";
FileInfo fileInfoMain = new FileInfo(strDocx);
if (fileInfoMain.Exists)
{
FileStream fileStream = fileInfoMain.Open(FileMode.Open, FileAccess.Read);
using StreamReader reader = new StreamReader(fileStream);
strDocx = await reader.ReadToEndAsync().ConfigureAwait(true);
await fileStream.DisposeAsync().ConfigureAwait(true);
}
strDocx = strDocx.Replace(Environment.NewLine, string.Empty, StringComparison.InvariantCulture);
Asset myAsset = new jsreport.Types.Asset();
myAsset.Content = strDocx;
jsreport.Types.Report report = await _jsReportMvcService.RenderAsync(new RenderRequest()
{
Template = new Template
{
Engine = Engine.Handlebars,
Recipe = Recipe.Docx,
Docx = new Docx {
TemplateAsset = myAsset
}
},
Data = null
})
.ConfigureAwait(true);string strDocx = _env.WebRootPath + "\\reports\\CV.docx";
FileInfo fileInfoMain = new FileInfo(strDocx);
if (fileInfoMain.Exists)
{
FileStream fileStream = fileInfoMain.Open(FileMode.Open, FileAccess.Read);
using StreamReader reader = new StreamReader(fileStream);
strDocx = await reader.ReadToEndAsync().ConfigureAwait(true);
await fileStream.DisposeAsync().ConfigureAwait(true);
}
byte[] plainTextBytes = System.Text.Encoding.UTF8.GetBytes(strDocx);
string strDocTemplate = Convert.ToBase64String(plainTextBytes);
jsreport.Types.Report report = await _jsReportMvcService.RenderAsync(new RenderRequest()
{
Template = new Template
{
Engine = Engine.Handlebars,
Recipe = Recipe.Docx,
Docx = new Docx
{
TemplateAsset = new Asset
{
Encoding = "base64",
Content = strDocTemplate
}
}
},
Data = new
{
message = "Hello world"
}
})
.ConfigureAwait(true);
Error is JsReportException: Unable to render template. Error while executing docx recipe. invalid comment length. expected: 2. found: 0
all sorted, found your example here.. https://forum.jsreport.net/topic/1468/generate-doc-report-from-controller-action
Hi, I am having issues with font sizes in jsreport dotnet. Is here a way to pass args down to chrome?
puppeteer/puppeteer#2410 this has a potential fix I want to try.
puppeteer/puppeteer#2410 this has a potential fix I want to try.