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Bug
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Resolution: Fixed
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Minecraft 17w45b
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Confirmed
The bug
The JSON text component parser throws unhandled exceptions when data of an incorrect type was provided. For example:
- "text":[]
- "text":"","extra":1
When using this while typing in chat the client crashes with the description keyPressed event handler, in command blocks the exception is written to the log.
Description: charTyped event handler
java.lang.ClassCastException: com.google.gson.JsonPrimitive cannot be cast to com.google.gson.JsonObject
at com.google.gson.JsonObject.getAsJsonObject(JsonObject.java:191)
...
Description: charTyped event handler
java.lang.ClassCastException: com.google.gson.JsonPrimitive cannot be cast to com.google.gson.JsonArray
at com.google.gson.JsonObject.getAsJsonArray(JsonObject.java:181)
...
Description: keyPressed event handler
java.lang.IllegalStateException
at com.google.gson.JsonArray.getAsString(JsonArray.java:215)
...
How to reproduce
- Use the following command
/setblock ~ ~ ~ command_block{Command:"/tellraw @p {\"text\":[]}",auto:1b} - Look in the log