App: Unable to start blockchain error on v2.1.15 and v2.1.17

Created on 12 Feb 2021  路  6Comments  路  Source: DeFiCh/app

Hi, I was using v.2.1.15 app few days ago. After updating the app to v.2.1.17, there was a data base re-index issue. I closed the app and restarted the app. When DeFi App v.2.1.17 was relaunched, it stopped at the splash screen with error message "Unable to start blockchain".

I decided to reinstall v.2.1.15 app. When I launch the app, the same error now applies to v.2.1.15 with "Unable to start blockchain". See screenshot.

My system is a Windows 10 on a Windows book 2 laptop, and 50 GB of harddisk space available.

I am not sure what to do next and would appreciate some guidance. App's log file attached.

app logs.zip
App error message

Most helpful comment

Hi @elxlee,
from the logs I would assume that you have a blockchain init issue. Can you put everything in C:\Users%username%\AppData\Roaming\DeFi Blockchain to an archive directory and check if start is working now for you?

If not you can check out https://62.75.139.29/ if the blockchain snapshots helps you.

All 6 comments

Hi @elxlee,
from the logs I would assume that you have a blockchain init issue. Can you put everything in C:\Users%username%\AppData\Roaming\DeFi Blockchain to an archive directory and check if start is working now for you?

If not you can check out https://62.75.139.29/ if the blockchain snapshots helps you.

This solution works!

put everything in C:\Users%username%\AppData\Roaming\DeFi Blockchain to an archive directory and restart the app. It works. Currently syncing, waiting to see if i am able to restore the wallets

Happy to help you out of the stuck situation

@Darkwinde While this method works in allowing me to restart the app, after I recreated by wallet from mnemonics keywords, the app does not show the investment that I made from the wallet. When I click on liquidity pool, there no records that I can recall the funds from. How do I reconnect with the investments made from my wallet to the liquidity pool?

missing liquidity investment

Hi @elxlee,
good question was not in that situation hmmmm, first I would try:

  1. Closing app
  2. Going to C:\Users\%username%\AppData\Roaming\DeFi Blockchain and save the directory wallets to a new Archive directory.
  3. Put the wallets directory from the previous archive, e.g. C:\Users\%username%\AppData\Roaming\DeFi Blockchain\_Archive\wallets as a copy back to the blockchain directory:
    C:\Users\%username%\AppData\Roaming\DeFi Blockchain
    Just only work with copies so that you do not loose anything from the original state.
  4. Start App again and checking for the results

Hi @elxlee , regarding the issue Unable to start blockchain, we can further discuss on the problem there. We would like to keep same issues in one thread. Thank you.

Hi @Darkwinde , much appreciated for the help!

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