Unable to retrieve versioned data of a node

[rohithreddy41]

I have created a node that holds MS office word document.( i have posted the exact question on stack overflow: jcr - Unable to retrieve versioned data of a node - Stack Overflow

                       VersionManager versionManager = session.getWorkspace().getVersionManager();

                        File wordFile = new File("DMS.docx");

                         Node documentNode = rootNode.addNode("Documents");

                         Node fileNode = documentNode.addNode(wordFile.getName(),"nt:file");

                         fileNode.addMixin("mix:versionable");

                         // Upload the file to that node ...

                         Node contentNode = fileNode.addNode("jcr:content", "nt:resource");

                         Binary binary = getFileBinary(wordFile);

                         contentNode.setProperty("jcr:data", binary);

                         session.save();

                         Version v1 =   versionManager.checkin(fileNode.getPath());

now i checkout the file through versionManager and update contents and  then check back in like below.

      fileNode = session.getRootNode().getNode("Documents").getNode(wordFile.getName());

       versionManager.checkout(fileNode.getPath());

        java.nio.file.Path path = Paths.get("DMSUpdated.docx");

                             if (!Files.exists(path)) {

                                 Files.createFile(path);

                             }

                             Files.write(path, "Text to be added".getBytes(), StandardOpenOption.APPEND);

                             Binary updatedBinary = getFileBinary(new File(filePath));

                             contentNode.setProperty("jcr:data", updatedBinary);

                             session.save();

    //check - in

     Version updatedVersion =   versionManager.checkin(fileNode.getPath());

Now i am trying to restore the node to updated version like below:

    Node finalFileNode =   session.getNode("/Documents").getNode(wordFile.getName());

              versionManager.restore(finalFileNode.getPath(),updatedVersion,false);

        Node finalContentNode = finalFileNode.getNode("jcr:content");

                     InputStream initialStream = finalContentNode.getProperty("jcr:data").getBinary().getStream();

                        byte[] buffer = new byte[initialStream.available()];

                        initialStream.read(buffer);

                          File updatedFile = new File("//TestFiles//FinalDMS.docx");

                        OutputStream outStream = new FileOutputStream(updatedFile);

                        outStream.write(buffer);

This gives me contents of version v1 and not updated version, not sure if i am doing something wrong?

[hchiorean]

At first sight nothing is wrong with the above code. However, I tried a similar test case locally (using simple byte arrays from strings) and it works fine using 5.3

One of the missing pieces from the above code is what happens between the checkin(s) and restore: you're using restore and passing "false" to the remove parameter, so this would normally only work when the node is not present (i.e. has been deleted first), otherwise it will throw an exception.

If you can create a runnable test case that I can use locally to reproduce the issue, feel free to log a JIRA. If it helps this - JcrVersioningTest · GitHub - is what I used locally.

[rohithreddy41]

Thanks Horia, for the response. I tried your example and it works fine, not sure what i was doing wrong, will spend some time to figure that out.

It wasn't throwing any exception , even after passing false with out removing existing  node.

Right now, i deployed mode shape on to Jboss server and injecting that into my application like below:

@Resource(mappedName="java:/jcr/sample")

    private javax.jcr.Repository repository;

I am trying to figure out how to access the Repository in standalone program, so that i can write some unit tests , can you point me to some examples ?

[hchiorean]

The easiest standalone test suite which comes to mind (which is what I used locally for testing) is modeshape/JcrVersioningTest.java at master · ModeShape/modeshape · GitHub

If it's closer to your environment, you can also try writing Arquillian tests which run against a JBoss AS instance. You can have a look at the test suites from this module: modeshape/integration/modeshape-jbossas-integration-tests/src/test/java/org/modeshape/test/integration at master · ModeS…

Last but not least, you can look at issues like [MODE-2666] NotSerializableException when using order by in query - JBoss Issue Tracker  which have a simple reproducer (simple Maven module) attached.