the water did not enter the lava

Thank you for your report!
However, this issue has been temporarily closed as Awaiting Response.

We do not have enough information to find the cause of this issue.
Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report ([minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/guides/finding-minecraft-data-folder]) here.

Once attached, the report will be reopened automatically.

Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki

This happens a lot lately. Its also caused me to lose water cuz the lava eats it.

This issue duplicates MC-4641?

You're right, that's likely the same bug.

same here even with lava