Hi, you can go 2 ways:
Since metadata is also cached, you can clear it by removing
ignite/work/marshaller/ directory (and clearing all persistent data if it
exist) and restarting cluster.
Second one is to try to remove the field you want to change first and then
add it again like this:
BinaryObjectBuilder builder = ignite.binary().builder("type");
builder.removeField("field").build();
builder.setField("field", null, Type.class).build();
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