Monitoring Oracle Mediator Instance Information

15-12 Oracle Fusion Middleware Administrators Guide for Oracle SOA Suite and Oracle BPM Suite

15.3.1.4 Mediator Resequencing Group Dialog

This section provides information about the Mediator Resequencing Group dialog. If all the messages in a group are processed without any fault or time out interval, then the Mediator Resequencing Group dialog displays a message indicating that the group is working. Figure 15–3 provides details. Figure 15–3 Mediator Resequencing Group Dialog The Mediator Resequencing Group dialog provides the following details about a group: ■ Specifies whether the group is timed-out or faulted ■ Identifies the blocking message in the group ■ Identifies the next message to be processed after the group is unlocked ■ Shows the time after which the processing of the messages in the group stopped ■ Provides the instruction text to unlock the group When processing of messages in a group is suspended due to a fault or a timeout, the Mediator Resequencing Group dialog provides information about the suspended group. The processing of messages in a group may be suspended for the following reasons: ■ Group Is Faulted ■ Group Is Timed-out ■ Group Is Faulted Due to a System Error Group Is Faulted A group is in the faulted state when one of its messages throws an error while it is processed, as shown in Figure 15–4 . The following information is displayed for a faulted group: ■ The sequence ID of the faulted message ■ The sequence ID of the next message to processed, along with its Oracle Mediator Instance ID Click Recover Now to access the Faults page of the Mediator Instance Details page to perform single-fault recovery. Monitoring Oracle Mediator Service Components and Engines 15-13 Figure 15–4 Group Is Faulted Group Is Timed-out A group is in the timed-out state when processing of the group stops while waiting for an expected message, as shown in Figure 15–5 . The following information is displayed for a timed-out group: ■ The sequence ID of the last processed message ■ The sequence ID of the next message to be processed, along with its Oracle Mediator Instance ID Click Skip to unlock the group and start processing the next available instances in the group. Figure 15–5 Group Is Timed-out Group Is Faulted Due to a System Error A group can be in a faulted state when processing of the group is suspended due to a system error, as shown in Figure 15–6 . This state is termed as a special case of a Faulted Group. This group is not timed out and there is no faulted message for the group. The groups in this state can be described as Errored Groups. The following information is displayed for an Errored Group: ■ The sequence ID of the last processed message ■ The sequence ID of the next message to be processed, along with its Oracle Mediator Instance ID Click Retry to unlock the group and start processing the next instances in the group.