如何增加 Adobe LiveCycle 服务器中的事务超时？长时间服务调用因超时异常而失败

发布于 2024-07-13 15:54:28 字数 2149 浏览 7 评论 0原文

我们正在使用 Adobe LiveCycle ConvertPDF 服务转换大型 PDF 文件。

这对于较小的 PDF 文件效果很好，但当我们尝试转换较大的 PDF 文件（大约 150mb - 不要问）时会失败。

Adobe 将事务超时设置为 14(?) 分钟左右。当我们的巨大 PDF 的处理时间超过这个时间时，操作将被中止。我们尝试了多个 PDF，因此这不太可能是由损坏的输入文件引起的。

这是异常产生的输出：

com.adobe.livecycle.convertpdfservice.exception.ConvertPdfException: ALC-DSC-000-000: com.adobe.idp.dsc.DSCException: Internal error.
    at com.adobe.convertpdf.docservice.ConvertPdfServiceImpl.toPS2WithSMT(ConvertPdfServiceImpl.java:117)
    at com.adobe.convertpdf.docservice.ConvertPdfServiceImpl.toPS2(ConvertPdfServiceImpl.java:93)
    [...]
Caused by: ALC-DSC-000-000: com.adobe.idp.dsc.DSCException: Internal error.
    at com.adobe.convertpdf.docservice.ConvertPdfServiceImpl$1.doInTransaction(ConvertPdfServiceImpl.java:110)
    at com.adobe.idp.dsc.transaction.impl.ejb.adapter.EjbTransactionBMTAdapterBean.doRequiresNew(EjbTransactionBMTAdapterBean.java:218)
    [...]
Caused by: com.adobe.livecycle.convertpdfservice.exception.ConvertPdfException: Cannot convert PDF file to PostScript. 
Exception: "Transaction timed out: Couldn't connect to Datamanager Service"
    at com.adobe.convertpdf.ConvertPdfBmcWrapper.convertPdftoPs(ConvertPdfBmcWrapper.java:207)
    at com.adobe.convertpdf.ConvertPdfServer.convertPdftoPs(ConvertPdfServer.java:121)
    at com.adobe.convertpdf.docservice.ConvertPdfServiceImpl.toPS2InTxn(ConvertPdfServiceImpl.java:129)
    [...]

到目前为止 - 似乎合乎逻辑。

但是，我找不到配置事务长度的位置。我想如果我们将超时时间增加到 30 分钟之类，我们的问题就会消失。（如果我们有办法在没有任何事务的情况下调用此操作，问题就会消失......）

假设我们只是像这样运行它：

ServiceClientFactory factory = com.adobe.idp.dsc.clientsdk.ServiceClientFactory.createInstance(connectionProps);

ConvertPdfServiceClient convertPDFClient = new com.adobe.livecycle.convertpdfservice.client.ConvertPdfServiceClient(factory);

// ... set-up details skipped ...
com.adobe.idp.Document result_postscript = convertPDFClient.toPS2(inPdf,options);
result_postscript.copyToFile(new File("c:/Adobe/output.ps"))

但是，要么我们没有正确设置 ServiceClientFactory，要么可能没有正确读取 JBoss 配置，我们找不到让交易存活得更久的方法。（交易的生存时间真的是问题吗？）

原文

We are converting large PDF file using Adobe LiveCycle ConvertPDF service.

This works fine for smaller PDF files, but fails when we attempt to convert a large PDF file (around 150mb - don't ask).

It looks like Adobe sets the a transaction timeout around 14(?) minutes. As processing time for our huge PDF exceeds this time, operation is aborted.
We tried multiple PDFs, so this is not likely to be caused by corrupted input file.

Here's the output that exception produces:

com.adobe.livecycle.convertpdfservice.exception.ConvertPdfException: ALC-DSC-000-000: com.adobe.idp.dsc.DSCException: Internal error.
    at com.adobe.convertpdf.docservice.ConvertPdfServiceImpl.toPS2WithSMT(ConvertPdfServiceImpl.java:117)
    at com.adobe.convertpdf.docservice.ConvertPdfServiceImpl.toPS2(ConvertPdfServiceImpl.java:93)
    [...]
Caused by: ALC-DSC-000-000: com.adobe.idp.dsc.DSCException: Internal error.
    at com.adobe.convertpdf.docservice.ConvertPdfServiceImpl$1.doInTransaction(ConvertPdfServiceImpl.java:110)
    at com.adobe.idp.dsc.transaction.impl.ejb.adapter.EjbTransactionBMTAdapterBean.doRequiresNew(EjbTransactionBMTAdapterBean.java:218)
    [...]
Caused by: com.adobe.livecycle.convertpdfservice.exception.ConvertPdfException: Cannot convert PDF file to PostScript. 
Exception: "Transaction timed out: Couldn't connect to Datamanager Service"
    at com.adobe.convertpdf.ConvertPdfBmcWrapper.convertPdftoPs(ConvertPdfBmcWrapper.java:207)
    at com.adobe.convertpdf.ConvertPdfServer.convertPdftoPs(ConvertPdfServer.java:121)
    at com.adobe.convertpdf.docservice.ConvertPdfServiceImpl.toPS2InTxn(ConvertPdfServiceImpl.java:129)
    [...]

So far - seems logical.

However, I can't find where the transaction length is configured. I guess if we increased the timeout to something like 30 minutes, our problem would go away.
(Also the problem would go away if we had way of invoking this operation without any transactions...)

Let's say we are simply running it like this:

ServiceClientFactory factory = com.adobe.idp.dsc.clientsdk.ServiceClientFactory.createInstance(connectionProps);

ConvertPdfServiceClient convertPDFClient = new com.adobe.livecycle.convertpdfservice.client.ConvertPdfServiceClient(factory);

// ... set-up details skipped ...
com.adobe.idp.Document result_postscript = convertPDFClient.toPS2(inPdf,options);
result_postscript.copyToFile(new File("c:/Adobe/output.ps"))

However, either we are not setting up ServiceClientFactory correctly, or maybe not reading JBoss config properly, we can't find way to make the transaction live longer. (Is the transaction time to live really the issue?)

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