Operating Systems: i5/OS
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Manage active and prepared transactions
Use this task to manage active and prepared transactions that might
need administrator action.
Overview
Note: If you choose to complete
a transaction on an application server, it is recorded as having completed
in the transaction service logs for that server, so will not be eligible for
recovery during server start up. If you complete a transaction, you are responsible
for cleaning up any in-doubt transactions on the resource managers affected.
You
can use the administrative console to display a snapshot of all the transactions
in an application server that are in the following states:
- Manual transactions
-
Transactions awaiting administrative completion. For each transaction,
the local id or global id is displayed. You can choose to display information
on each resource (specifically, which resource manager it is associated with)
associated with the transaction. You can also choose to commit or rollback
transactions in this state.
- Retry transactions
-
Transactions with some resources being retried. For each transaction,
the local id or global id is displayed, and whether the transaction is committing
or rolling back. You can choose to display information on each resource (specifically,
which resource manager it is associated with) associated with the transaction.
You can also choose to finish (abandon retrying) transactions in this state.
- Heuristic transactions
-
Transactions that have completed heuristically. For each transaction,
the local id or global id and the heuristic outcome is displayed. You can
choose to display information on each resource (specifically, which resource
manager it is associated with) associated with the transaction. You can also
choose to clear the transaction from the list.
- Imported prepared transactions
-
Transactions that have been imported and prepared but not yet committed.
For each transaction, the local id or global id is displayed. You can choose
to display information on each resource (specifically, which resource manager
it is associated with) associated with the transaction. You can also choose
to commit or rollback transactions in this state.
To manage the active and prepared transactions for an
application server, use the administrative console to complete the following
steps:
Procedure
- Display the Transaction Service runtime page for application server:
- In the navigation pane, click Servers-> Application Servers
- In the content pane, click the name of the application server
- In the content pane, click the Runtime tab.
- Under Additional Properties, click Transaction Service
This displays values for the runtime properties of the transaction
service, including the number of transactions in the active and prepared states.
- To display a snapshot of the transactions in a specific state,
click Review in the field label.
- Optional: If you want to display information about
the resources associated with a transaction, click the name of the transaction.
- Optional: If you want to act on a transaction, select
the check box provided on the entry for the transaction, then click one of
the buttons provided. Alternatively, to act on all transactions, select the
check box in the header of the transactions table, then click a button.
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Related tasks
Configuring transaction properties for an application server
Using the transaction service
Related information
Transactions needing manual completion Transactions retrying resources Transactions with heuristic outcome Transactions imported and prepared
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