"Side input stream %s doesn't confirm to pattern %s", si, SYSTEM_STREAM_NAME_PATTERN))); String formattedSideInputs = String.join(",", sideInputs); addStoreConfig("side.inputs", formattedSideInputs, tableConfig); addStoreConfig("side.inputs.processor.serialized.instance", SerdeUtils.serialize("Side Inputs Processor", sideInputsProcessor), tableConfig); addStoreConfig("changelog", changelogStream, tableConfig); addStoreConfig("changelog.replication.factor", changelogReplicationFactor.toString(), tableConfig);