The error is while upgraded to 7.0.1. so I rename libStarrocks-CentOS-7.so to libStarrocks.so. got following error now:
WARN 2019-09-06 13:25:38,378 [main] com.complexible.stardog.metadata.MetadataIO:readBytes(300): Unrecognized option in the metadata: index.connection.timeout
WARN 2019-09-06 13:25:38,389 [main] com.complexible.stardog.metadata.MetadataIO:readBytes(300): Unrecognized option in the metadata: index.connection.timeout
WARN 2019-09-06 13:25:38,392 [main] com.complexible.stardog.metadata.MetadataIO:readBytes(300): Unrecognized option in the metadata: index.connection.timeout
WARN 2019-09-06 13:25:38,394 [main] com.complexible.stardog.metadata.MetadataIO:readBytes(300): Unrecognized option in the metadata: index.connection.timeout
WARN 2019-09-06 13:25:38,481 [main] com.complexible.stardog.metadata.MetadataIO:readBytes(300): Unrecognized option in the metadata: index.connection.timeout
WARN 2019-09-06 13:25:38,509 [main] com.complexible.stardog.metadata.MetadataIO:readBytes(300): Unrecognized option in the metadata: index.connection.timeout
WARN 2019-09-06 13:25:38,516 [main] com.complexible.stardog.metadata.MetadataIO:readBytes(300): Unrecognized option in the metadata: index.connection.timeout
WARN 2019-09-06 13:25:38,521 [main] com.complexible.stardog.metadata.MetadataIO:readBytes(300): Unrecognized option in the metadata: index.connection.timeout
WARN 2019-09-06 13:25:38,522 [main] com.complexible.stardog.metadata.MetadataIO:readBytes(300): Unrecognized option in the metadata: index.connection.timeout
WARN 2019-09-06 13:25:38,524 [main] com.complexible.stardog.metadata.MetadataIO:readBytes(300): Unrecognized option in the metadata: index.connection.timeout
Index format is obsolete, manual migration is required: /stardog/data/system