java.io.IOException: Stream closed - cannot perform read operation while file copy

HCL Domino Domino Forum
,
1

I have code below that is trying to copy a file from attachment.

ReadAttachmentMgr readAttMgr = db.getReadAttachmentMgrByUnid(doc.getUnid());
InputStream is = readAttMgr.readFile();
AttachmentInputStream ais = (AttachmentInputStream)is;
File file = new File("C:\\doc\\" + ais.getFileName());
Files.copy(is, file.toPath(), StandardCopyOption.REPLACE_EXISTING);

The file is copied successfully but I got this error:

java.io.IOException: Stream closed - cannot perform read operation
	at com.hcl.domino.db.model.DominoInputStream.read(DominoInputStream.java:135)
	at java.nio.file.Files.copy(Unknown Source)
	at java.nio.file.Files.copy(Unknown Source)
	at com.xred.DqlDemo.FilesCopyIssue.main(FilesCopyIssue.java:40)

Is there something wrong? How can I fix it?

Any help would be greatly appreciated.

Thanks!

Update:

It is running with appdev pack 1.0.7

2

Is it running on Domino server or client ?

Seems like the agent has no access to the file, maybe access restrictions on file system

3

Sorry, I forgot to mention in my question.

It is running with appdev pack 1.0.7

4

But the main question is: where is the code executed ?

I guess on server, so the file has to be available on the server side at the specified location and the server needs to have access to it

5

The code is running on Eclipse with pure Java, not in Designer.

And the attachment is in Domino document.

Snipaste_2021-03-31_18-50-42.png1282×883 84.5 KB

6

did you check if the domino input stream is null ?

If yes this is the problem

7

Yes, I have just checked that it is not null.

but it still got error.

ReadAttachmentMgr readAttMgr = db.getReadAttachmentMgrByUnid(doc.getUnid());
is = readAttMgr.readFile();
if(is != null) {
  AttachmentInputStream ais = (AttachmentInputStream)is;
  File file = new File("C:\\doc\\" + ais.getFileName());
  Files.copy(is, file.toPath(), StandardCopyOption.REPLACE_EXISTING);
}
8

And did you also check that you have rights to this directory on server and it exists ?

9

This directory is on my local and it exists.

When I change InputStream source to local file, it works fine.

is = new FileInputStream(new File("C:\\source\\test.txt"));
if(is != null) {
  File file = new File("C:\\doc\\text.txt");
  Files.copy(is, file.toPath(), StandardCopyOption.REPLACE_EXISTING);
}

But use readAttMgr.readFile got error.

ReadAttachmentMgr readAttMgr = db.getReadAttachmentMgrByUnid(doc.getUnid());
is = readAttMgr.readFile();
if(is != null) {
  File file = new File("C:\\doc\\text.txt");
  Files.copy(is, file.toPath(), StandardCopyOption.REPLACE_EXISTING);
}
10

Did you check access to document with file attachment ?

You can check if you can get size of input stream to see if there is data available

11

This issue will be fixed in next release(1.0.9).

As a workaround we can enclose the call in try-catch block.

12

got it, Thanks for the help.