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Topic: Error Reading from Database (Read 5119 times)

hero member
Activity: 1061
Merit: 502
RIP: S5, A faithful device long time
March 26, 2016, 06:17:51 PM
#25
What it is a page of the linux libraries Ubuntu / raspberry (raspnode / full node), etc.  Huh That maybe is the solution?
member
Activity: 117
Merit: 10
PC repair master, engeneer, radioamateur
March 26, 2016, 06:03:49 PM
#24
HELP please, my latest BTC wallet 12.0 Windows 7 x64 not working for about 1 week, -rescan and -repair didn't help, chkdsk shows no errors, in log file
2016-03-25 09:34:49 LevelDB read failure: Corruption: block checksum mismatch
2016-03-25 09:34:49 Corruption: block checksum mismatch
2016-03-25 09:52:57 UPnP Port Mapping successful.
*
2016-03-25 14:53:38 UPnP Port Mapping successful.
2016-03-25 15:03:06 Error reading from database: Database corrupted
I don't want to delete all 60+ GB, last time I do that it was downlading for about 2 weeks! Please tell me how can I know which exactly file is corrupted? In order to delete it.
newbie
Activity: 13
Merit: 0
March 15, 2015, 10:24:44 PM
#23
-snip-
Do you have skype? btw my bitcoin core wont open... so I cant do that. I'd pay someone a few bucks to walk me through on skype
PM me

Nope, I dont use skype sorry. Try the steps fsb4000 and I listed. If it still isnt working by tomorrow I could offer that you send me the wallet.dat via mail and I send you the coins to your new wallet address, but not today. I have to get some sleep.

will do thx dude
copper member
Activity: 1498
Merit: 1528
No I dont escrow anymore.
March 15, 2015, 07:27:09 PM
#22
-snip-
Do you have skype? btw my bitcoin core wont open... so I cant do that. I'd pay someone a few bucks to walk me through on skype
PM me

Nope, I dont use skype sorry. Try the steps fsb4000 and I listed. If it still isnt working by tomorrow I could offer that you send me the wallet.dat via mail and I send you the coins to your new wallet address, but not today. I have to get some sleep.
legendary
Activity: 4130
Merit: 1307
March 15, 2015, 07:09:57 PM
#21
I can.
1) Open folder with wallet.dat
2) Delete everything except wallet.dat
3) Run Bitcoin-qt
4) Open debug console
4a) Enter walletpassphrase YOUR_PASSWORD 600
5) Enter dumpprivkey YOUR_BITCOIN_ADDRESS
6) Copy a output
7) Create file 1.txt(or any name)
Cool Paste the output in the file
9) Save file as 1.key
10) Open Multibit
11) Tools -> Import private keys -> Import from ...
12) Choose 1.key
13) Press Import private keys

Added the part that unlocks the wallet.dat

Do you have skype? btw my bitcoin core wont open... so I cant do that. I'd pay someone a few bucks to walk me through on skype
PM me


The solution above in the steps listed, should help you open bitcoin core.  It will delete the DB and start over.  You do not need to let it complete, just start up, export the key and then stop.

If the problem is the database and not Bitcoin Core itself corrupted on the disk, then follow the steps above and you will be fine.

Just be SURE you have a few extra backups of the wallet.dat - 1. in case your hard disk has more issues, 2. in case you mistype something.

sr. member
Activity: 630
Merit: 250
March 15, 2015, 06:48:20 PM
#20
Believe it or not, I have never been able to sync lately.. since I last mentioned it, and before.. bad_alloc, so gave up running bitcoin, too much hassle..

I'm sure folks will say check pc, harddrive, memory etc, but personally, I think it's the isp causing the problem, because it takes my network card forever to start sending/receiving. I have tried multiple network card's, and I think bitcoin is just timing out waiting on whatever.. quite simply, my machine is fine, but bitcoin continues to simpley not work.. it could be I'm a stubborn xp user, and xp is no longer supported by ms, but this should not matter. It's been the same for now goin on 4 latest versions..
newbie
Activity: 13
Merit: 0
March 15, 2015, 06:41:17 PM
#19
I can.
1) Open folder with wallet.dat
2) Delete everything except wallet.dat
3) Run Bitcoin-qt
4) Open debug console
4a) Enter walletpassphrase YOUR_PASSWORD 600
5) Enter dumpprivkey YOUR_BITCOIN_ADDRESS
6) Copy a output
7) Create file 1.txt(or any name)
Cool Paste the output in the file
9) Save file as 1.key
10) Open Multibit
11) Tools -> Import private keys -> Import from ...
12) Choose 1.key
13) Press Import private keys

Added the part that unlocks the wallet.dat

Do you have skype? btw my bitcoin core wont open... so I cant do that. I'd pay someone a few bucks to walk me through on skype
PM me
copper member
Activity: 1498
Merit: 1528
No I dont escrow anymore.
March 15, 2015, 04:32:42 PM
#18
I can.
1) Open folder with wallet.dat
2) Delete everything except wallet.dat
3) Run Bitcoin-qt
4) Open debug console
4a) Enter walletpassphrase YOUR_PASSWORD 600
5) Enter dumpprivkey YOUR_BITCOIN_ADDRESS
6) Copy a output
7) Create file 1.txt(or any name)
8) Paste the output in the file
9) Save file as 1.key
10) Open Multibit
11) Tools -> Import private keys -> Import from ...
12) Choose 1.key
13) Press Import private keys

Added the part that unlocks the wallet.dat
legendary
Activity: 1400
Merit: 1000
March 15, 2015, 04:15:38 PM
#17
I can.
1) Open folder with wallet.dat
2) Delete everything except wallet.dat
3) Run Bitcoin-qt
4) Open debug console
5) Enter dumpprivkey YOUR_BITCOIN_ADDRESS
6) Copy a output
7) Create file 1.txt(or any name)
8) Paste the output in the file
9) Save file as 1.key
10) Open Multibit
11) Tools -> Import private keys -> Import from ...
12) Choose 1.key
13) Press Import private keys
newbie
Activity: 13
Merit: 0
March 15, 2015, 03:54:05 PM
#16
Can sombody help me with getting my wallet.dat from bitcoin core to multibit?
newbie
Activity: 13
Merit: 0
March 15, 2015, 01:31:29 PM
#15
Anyone?
newbie
Activity: 13
Merit: 0
March 15, 2015, 01:04:46 PM
#14
trying to import into multibit but its just not listed anywhere... i have the folder up with the wallet.dat file in it but when i try to browse for it in multibit i cant find it anywhere. look, i just want to get a working e-wallet. seems like multibit is good but bitcoin core is screwing me up. i just need a 1 time screen share with someone that knows what they're doing bc i obv have no clue... ill just lose all the money in my bitcoin core... so dumb
legendary
Activity: 4130
Merit: 1307
March 15, 2015, 12:54:35 PM
#13
Sigh... im getting the ''connection refused'' when i try to back it up on blockchain info...
I just need to see that address 1 time so i can copy it and put in it mulitbit. can someone do a skype call with me if i share my screen? i'll obv pay you for the help.

I saw in here:
https://bitcointalksearch.org/topic/m.10661082

that blockchain.info no longer supports the drag and drop method.


Multibit and others will import it, but make a copy first since (as noted above), it sounds like you are having HDD issues.

newbie
Activity: 13
Merit: 0
March 15, 2015, 12:38:54 PM
#12
Sigh... im getting the ''connection refused'' when i try to back it up on blockchain info...
I just need to see that address 1 time so i can copy it and put in it mulitbit. can someone do a skype call with me if i share my screen? i'll obv pay you for the help.
legendary
Activity: 4130
Merit: 1307
March 15, 2015, 12:29:09 PM
#11
It looks like you are running Windows.  Which one?  What version of Bitcoin?  0.10.0?

The log location is in here:
https://en.bitcoin.it/wiki/Data_directory

Did you check those spots?

Is the wallet.dat in there?  If so, make a backup right away just to be safe.

Yes windows 8 and bitcoin core 10

i found the file and the wallet.dat file IS in there. How do i back up the file?

the errors are...

015-03-15 14:17:14 StopNode()
2015-03-15 14:17:14 Corruption: block checksum mismatch
2015-03-15 14:17:14 *** System error while flushing: Database corrupted


You can back it up like any other file - just make a copy of it on your PC to a USB drive or the like.  This way, at least you have a degree of safety if the one copy somehow gets messed up.  It has the keys that you need to access your coins so is the most important thing to have safe and secure.

see:
https://en.bitcoin.it/wiki/Backingup_your_wallet

If you didn't have it password protected, I believe that other wallets should import the private keys.

It is hard to say exactly what the error is, except it isn't good for the block DB.  
copper member
Activity: 1498
Merit: 1528
No I dont escrow anymore.
March 15, 2015, 12:25:17 PM
#10
It looks like you are running Windows.  Which one?  What version of Bitcoin?  0.10.0?

The log location is in here:
https://en.bitcoin.it/wiki/Data_directory

Did you check those spots?

Is the wallet.dat in there?  If so, make a backup right away just to be safe.

Yes windows 8 and bitcoin core 10

i found the file and the wallet.dat file IS in there. How do i back up the file?

Just make a copy on an external device (e.g. USB stick) for a backup.

From what I read (never personally tried it) you can importat the full wallet.dat into blockchain.info's online wallet. Just drag and drop the file here -> https://blockchain.info/wallet/import-wallet
and they create a new wallet for you. It should be protected by the same password as your wallet file.

Once you access your new wallet on bc.i you can either send it to an address from your multibit wallet.

the errors are...

015-03-15 14:17:14 StopNode()
2015-03-15 14:17:14 Corruption: block checksum mismatch
2015-03-15 14:17:14 *** System error while flushing: Database corrupted


Looks like you have problems with your disk. Esp. since bitcoin core isnt even starting anymore.
newbie
Activity: 13
Merit: 0
March 15, 2015, 12:08:02 PM
#9
It looks like you are running Windows.  Which one?  What version of Bitcoin?  0.10.0?

The log location is in here:
https://en.bitcoin.it/wiki/Data_directory

Did you check those spots?

Is the wallet.dat in there?  If so, make a backup right away just to be safe.

Yes windows 8 and bitcoin core 10

i found the file and the wallet.dat file IS in there. How do i back up the file?

the errors are...

015-03-15 14:17:14 StopNode()
2015-03-15 14:17:14 Corruption: block checksum mismatch
2015-03-15 14:17:14 *** System error while flushing: Database corrupted
legendary
Activity: 4130
Merit: 1307
March 15, 2015, 11:55:48 AM
#8
It looks like you are running Windows.  Which one?  What version of Bitcoin?  0.10.0?

The log location is in here:
https://en.bitcoin.it/wiki/Data_directory

Did you check those spots?

Is the wallet.dat in there?  If so, make a backup right away just to be safe.
newbie
Activity: 13
Merit: 0
March 15, 2015, 11:26:43 AM
#7
no debug file at all! can someone help? I only need to get my address so i can send funds to multibit
newbie
Activity: 13
Merit: 0
March 15, 2015, 10:16:55 AM
#6
well now bitcoin core wont even open, I get the fatal error/check log file. I cannot find the log file anywhere.  Huh Huh
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