hollow/src/main/java/com/netflix/hollow/core/read/engine/set/HollowSetTypeReadState.java [429:442]:
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	public void buildKeyDeriver() {
        if(getSchema().getHashKey() != null) {
            try {
                this.keyDeriver = new HollowPrimaryKeyValueDeriver(getSchema().getHashKey(), getStateEngine());
            } catch (FieldPaths.FieldPathException e) {
                if (e.error == NOT_BINDABLE) {
                    LOG.log(Level.WARNING, "Failed to create a key value deriver for " + getSchema().getHashKey() +
                        " because a field could not be bound to a type in the state");
                } else {
                    throw e;
                }
            }
        }
	}
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hollow/src/main/java/com/netflix/hollow/core/read/engine/map/HollowMapTypeReadState.java [486:499]:
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    public void buildKeyDeriver() {
        if(getSchema().getHashKey() != null) {
            try {
                this.keyDeriver = new HollowPrimaryKeyValueDeriver(getSchema().getHashKey(), getStateEngine());
            } catch (FieldPaths.FieldPathException e) {
                if (e.error == NOT_BINDABLE) {
                    LOG.log(Level.WARNING, "Failed to create a key value deriver for " + getSchema().getHashKey() +
                        " because a field could not be bound to a type in the state");
                } else {
                    throw e;
                }
            }
        }
    }
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