Corda, a blockchain project developed by R3, tagged as blockchain for business, is an open source blockchain project, designed for business from the start. Only Corda allows you to build interoperable blockchain networks that transact in strict privacy. Corda’s smart contract technology allows businesses to transact directly, with value.
Corda 3.1 is now available. According to the release notes, this version includes the following major bug fixes and improvements.
Major Bug Fixes
Corda Serialization fails with “Unknown constant pool tag”
This issue is most often seen when running a CorDapp with a Rest API using / provided by Spring Boot.
Those eagle eyed amongst you will have noticed for the 3.0 release we altered the versioning scheme from that used by previous Corda releases (1.0.0, 2.0.0, etc) with the addition of an prepended product name, resulting in corda-3.0. The reason for this was so that developers could clearly distinguish between the base open source platform and any distributions based on on Corda that may be shipped in the future (including from R3), However, we have heard the complaints and feel the pain that’s caused by various tools not coping well with this change. As such, from now on the versioning scheme will be inverted, with this release being 3.1-corda.
Issues Fixed
- RPC server leaks if a single client submits a lot of requests over time [CORDA-1295]
- Flaky startup, no db transaction in context, when using postgresql [CORDA-1276]
- Corda’s JPA classes should not be final or have final methods [CORDA-1267]
- Backport api-scanner changes [CORDA-1178]
- Misleading error message shown when node is restarted after the flag day
- Hash constraints not working from Corda 3.0 onwards
- Serialisation Error between Corda 3 RC01 and Corda 3
- Nodes don’t start when network-map/doorman is down
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