Aspose email AsposeInvalidDataException

Aspose.Email Product Family
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1

When i am trying to parse or fetch the olm file using aspose.email using java.after some mails are successfully proceed,a Exception occurs
I am using aspose.email 22.10 version.
Please give your valuable suggestion.
AsposeInvalidDataException: Data item reading error.

AsposeInvalidDataException: Data item reading error.

If you want to ignore an exception and want to proceed further then you can use:

ExceptionManager.getIgnoreList().add(“OlmStorage\7fe1a788-69c6-4096-b498-bda7440f7684”)

The data header is invalid: 0

[Ljava.lang.StackTraceElement;@229d10bd

at com.aspose.email.zasz.a(SourceFile:654)

at com.aspose.email.zasz.a(SourceFile:632)

at com.aspose.email.zasz.a(SourceFile:192)

2

@asheesh.patel

The AsposeInvalidDataException: Data item reading error typically occurs when there is an issue with the data structure in the OLM file you are trying to process. This can happen if the file is corrupted or if it contains unexpected data formats.

To address this issue and ensure that you can continue processing the remaining items, you should implement an exception handling mechanism using the TraversalExceptionsCallback. This allows you to specify how to handle exceptions that occur during the traversal of the OLM file.

Here’s a basic example of how to set this up in Java:

import com.aspose.email.*;

public class OlmFileProcessor {
    public static void main(String[] args) {
        String fileName = "yourfile.olm";

        // Create an instance of OlmStorage with a callback for handling exceptions
        OlmStorage olm = new OlmStorage((exception, id) -> {
            // Log the exception or handle it as needed
            System.out.println("Exception occurred for item ID: " + id + " - " + exception.getMessage());
        });

        // Load the OLM file
        if (olm.load(fileName)) {
            // Process the folders and messages
            for (OlmFolder folder : olm.getFolders()) {
                for (OlmMessageInfo messageInfo : folder.enumerateMessages()) {
                    try {
                        MapiMessage message = olm.extractMapiMessage(messageInfo);
                        // Process the message (e.g., save, display, etc.)
                    } catch (Exception e) {
                        System.out.println("Error processing message: " + e.getMessage());
                    }
                }
            }
        } else {
            System.out.println("Failed to load the OLM file.");
        }
    }
}

In this example, the TraversalExceptionsCallback is used to log any exceptions that occur during the traversal of the OLM file. This way, you can continue processing other messages even if some items cause errors.

If you continue to encounter issues, please check the integrity of the OLM file or try using a different file to see if the problem persists.

Feel free to reach out if you need further assistance!

3

Hello @asheesh.patel ,

Thank you for sharing the details.

The issue occurs because the OLM file contains data in an invalid or unsupported format, which results in the exception during parsing. Aspose.Email API provides a mechanism to ignore such exceptions in cases where the process can safely continue.

You can configure the ExceptionManager to either ignore specific exceptions or handle them globally. For example:

// Set a callback to handle exceptions
ExceptionManager.setIgnoreExceptionsHandler(new IgnoreExceptionsCallback() {
    @Override
    public boolean invoke(AsposeException ex, String path) {
        // Ignore all exceptions starting with "OlmStorage"
        return path.startsWith("OlmStorage");
    }
});

// OR ignore all exceptions
ExceptionManager.setIgnoreAll(true);

// Optional: log ignored exceptions
ExceptionManager.setIgnoreExceptionsLogHandler(new IgnoreExceptionsLogCallback() {
    @Override
    public void invoke(String message) {
        System.out.println("=== EXCEPTION IGNORED === " + message);
    }
});

Alternatively, you can add the specific error path to the ignore list shown in the exception message:

ExceptionManager.getIgnoreList().add("OlmStorage\\7fe1a788-69c6-4096-b498-bda7440f7684");

This way, the exception will be skipped, and the reading process will continue for the rest of the data.

If possible, please share your OLM file (or a sample that reproduces the issue) with us. This will help us verify the data and investigate the problem in more detail.

1 Like