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ENT-3496 Add changelog entry and update upgrading cordapps docs

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LankyDan 2019-06-21 12:10:50 +01:00
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docs/source/changelog.rst
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@ -12,6 +12,10 @@ Version 5.0
* Removed ``finance-workflows`` dependency on jackson library. The functions that used jackson (e.g. ``FinanceJSONSupport``) have been moved
into IRS Demo.
* Information about checkpointed flows can be retrieved from the shell. Calling ``dumpCheckpoints`` will create a zip file inside the node's
``log`` directory. This zip will contain a JSON representation of each checkpointed flow. This information can then be used to determine the
state of stuck flows or flows that experienced internal errors and were kept in the node for manual intervention.
.. _changelog_v4.2:
Version 4.2

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docs/source/upgrading-cordapps.rst
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@ -281,6 +281,11 @@ a drain is complete there should be no outstanding checkpoints or running flows.
A node can be drained or undrained via RPC using the ``setFlowsDrainingModeEnabled`` method, and via the shell using
the standard ``run`` command to invoke the RPC. See :doc:`shell` to learn more.
To assist in draining a node, the ``dumpCheckpoints`` shell command will output JSON representations of each checkpointed flow.
A zip containing the JSON files is created in the ``logs`` directory of the node. This information can then be used to determine the
state of stuck flows or flows that experienced internal errors and were kept in the node for manual intervention. To drain these flows,
the node will need to be restarted or the checkpoint record will need to be manually deleted from the checkpoint table.
.. _contract_upgrading_ref:
Contract and state versioning