When creating pojo and the column is byte[], change to define in pojo as byte[] ------------------------------------------------------------------------------- Key: TEIIDDES-3021 URL: https://issues.jboss.org/browse/TEIIDDES-3021 Project: Teiid Designer Issue Type: Bug Components: Modeling Reporter: Van Halbert Priority: Critical Instead of mapping to a ByteString data type, map to byte[]. Example: @ProtoField(number = 7) public byte[] getByteArrayValue() { return byteArrayValue; } public void setByteArrayValue(byte[] objectValue) { this.byteArrayValue = objectValue; }