Step-by-Step Guide to Fix Blockchain Sync Stuck
If your PEPEPOW wallet is stuck at a certain block and not syncing further, follow these steps to troubleshoot and resolve the issue.
Step 1: Check Debug Log for Errors
First, check the last 50 lines of the debug log to identify any potential errors or issues:
tail -n 50 ~/.PEPEPOWcore/debug.log
Look for errors such as:
- Checkpoint not reached
- Invalid block detected
- Failed to connect to peers
If there are any error messages, take note of them as they might indicate the issue.
Step 2: Check the Current Block Height
Verify if your wallet is stuck at a specific block:
./PEPEPOW-cli getblockcount
Compare the output with the latest block height on an official explorer.
If your node is behind and not progressing, continue to the next steps.
Step 3: Restart Node and Clear Peers
If the node is stuck due to bad peers, restart it and remove the peers.dat file:
./PEPEPOW-cli stop
rm ~/.PEPEPOWcore/peers.dat
./PEPEPOWd -daemon
The peers.dat file stores known network peers. Deleting it forces the wallet to reconnect to fresh peers.
Check if the block count starts increasing after the restart:
./PEPEPOW-cli getblockcount
If the sync is still stuck, proceed to the next step.
Step 4: Invalidate the Stuck Block
If your wallet is stuck at block 2633306, force it to roll back and reconsider previous blocks:
./PEPEPOW-cli invalidateblock $(./PEPEPOW-cli getblockhash 2633306)
This command tells the wallet to reject the problematic block and attempt to resync from an earlier valid block.
Step 5: Restart the Node
After invalidating the block, restart the node to apply the changes:
./PEPEPOW-cli stop
./PEPEPOWd -daemon
Wait a few minutes and then check the sync progress again:
./PEPEPOW-cli getblockcount
If the block count is increasing, the issue is resolved.
Additional Steps (If Still Not Syncing)
If the sync is still stuck, consider:
- Manually adding nodes (if cannot connect to nodes)
Find active nodes and add them manually:./PEPEPOW-cli addnode "IP_ADDRESS":8833 add - Reindexing the blockchain (longer process)
./PEPEPOW-cli stop ./PEPEPOWd -daemon -reindex - Deleting corrupted blockchain data and resyncing from scratch
./PEPEPOW-cli stop rm -rf ~/.PEPEPOWcore/blocks ~/.PEPEPOWcore/chainstate ./PEPEPOWd -daemon