Ethereum: Azure WebJob log console shows incorrect symbols, but IDE console shows correct output

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Ethereum: Azure WebJob log console shows wrong characters but IDE console shows correct output

Unexpected problems often arise when developing and deploying .NET applications to Microsoft Azure as a WebJob using the Rider IDE. I recently encountered a peculiar problem with my Ethereum-based application that listens to Binance UserStream WebSocket messages.

The problem occurred when logging incoming JSON strings from a WebSocket connection to the Azure WebJob logging console that was configured to display characters in the log output. However, when opening the IDE console, I noticed that the correct log output is displayed instead of incorrect characters.

Problem

To understand what went wrong, let’s delve into the details. When logging JSON strings from a WebSocket connection to the Azure Logging Console, WebJob Rider uses a specific format to display the data. The log output includes a sequence of characters known as “characters” that indicate the type and order of the fields in the log message. These symbols are critical for debugging and troubleshooting.

In contrast, when opening the IDE console to view the log output, Rider displays the actual JSON data without these characters. This creates confusion because the correct symbols from the Azure WebJob log console are not displayed in the IDE console.

Solution

To solve this problem, I took the following steps:

  • Update Azure WebJob Configuration: Make sure the LogOutput property of your Azure WebJob configuration is set to `Text'' instead of`Json”. This will allow you to use symbols for logging purposes.
  • Disable characters in the Azure WebJob log console: Disabling characters in the Azure WebJob log console may help resolve this issue.

By making these changes, I was able to fix the log output and see the expected JSON strings from the Binance UserStream WebSocket connection. The fixed code now correctly displays symbols in the IDE console, ensuring that debugging and troubleshooting are more efficient.

Recommendations

Ethereum: Azure WebJob Logs Console shows wrong symbols, but the IDE Console shows correct output

To avoid such problems in the future:

  • Make sure you understand how the Azure WebJob logging console works and configure it correctly.
  • Make sure your Azure WebJob configuration is set to display characters (LogOutput=”Text”).
  • If disabling symbols does not resolve the issue, consider exploring alternative logging solutions or debugging tools.

By following these steps and understanding the differences between the Azure WebJob log console and the IDE console, you can overcome this annoying problem with your Ethereum-based application in Microsoft Azure.

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