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For the error "com.iota.iri.service.TipsManager - Ledger inconsistency detected", does the inconsistency here mean local database corruption? I checked the source code of tip manager and ledgerValidator but it's quite hard to understand. How does that algorithm exactly work?

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  • I think inconsistency means that the subtangle is invalid, as it contains an invalid transaction Commented Feb 15, 2018 at 15:53
  • 1
    I cant find it in the source code, too. Probably a former version. Did you reproduce this error on your own? How?
    – Tobi MZ
    Commented Feb 15, 2018 at 18:19
  • No, this error is from another post. See the link provided by Tobi.
    – Jennifer Q
    Commented Feb 16, 2018 at 8:39

1 Answer 1

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This error message was removed in April 2017. Thats the reason why you can't find it.

You can fix the issue by deleting your local database. Take a look here.

The code which contains this error message is following:

final Iterator<Map.Entry<Hash, Long>> stateIterator = state.entrySet().iterator();
        while (stateIterator.hasNext()) {

            final Map.Entry<Hash, Long> entry = stateIterator.next();
            if (entry.getValue() <= 0) {

                if (entry.getValue() < 0) {
                    log.error("Ledger inconsistency detected");
                    return null;
                }
                stateIterator.remove();
            }
        }

If there is more you want to know, the code can be found in Mainnet new Release 1.1.2.2.: TipsManager.java

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  • Yep, That post is where I first knew this error. I was curious about the error, so I looked into source code. But I couldn't find the error in latest version. Then I made this post to see if anyone knew the reason and detailed algorithm to check ledger inconsistency.
    – Jennifer Q
    Commented Feb 16, 2018 at 8:35
  • I found the former code for you
    – Tobi MZ
    Commented Feb 16, 2018 at 8:57
  • Thanks! In the latest version, I found the code in Snapshot.java
    – Jennifer Q
    Commented Feb 16, 2018 at 9:01

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