Seems the chain stuck at block 1205?
Also why the time between every block is like more than 30 mins.

Now I see most of the bugs are resolved. I am trying this from day 1, now I have mined around 350 coins and those are still on blockchain and not disappeared.
Earlier whatever I mined all coins were erased.

I very much liked the java codebase.

Great job by you. Can you also post more details of this coin on the opening post, so people will read everything on the first page.

What are your plans on this coin?