Put the summary of the bug you're having here
What I expected to happen was...:
i was going to blow up.
What actually happened was...:
I didn't take any damage and still had full health
Steps to Reproduce:
1. Go to creative and place any amount of TNT.
2. go to survival and place some more TNT. [Any Amount]
3. Place a button and click it. It didn't do any damage to me.
Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report (
[minecraft|http://hopper.minecraft.net/help/finding-minecraft-data-folder]/crash-reports/crash-<DATE>-client.txt) here.