Problem | DCS could not log a message properly. |
User response | Please report to IBM Service. |
Problem | An unexpected error occurred. See the exception stack trace for more detail. |
User response | Contact IBM Service. |
Problem | An unexpected internal programming state has occurred. The situation is recoverable. |
User response | If situation reoccurs frequently contact IBM service |
Problem | An unusual programming state has occurred. Logging this information may be useful when other DCS error messages occur. |
User response | No action required. |
Problem | DCS check discovered that it did not get CPU time slice for a long period of time. |
User response | Check load on machine. Try to reduce workload by freeing resources (memory, CPU). If the root cause cannot be determined, contact IBM service. |
Problem | DCS stack started |
User response | None. Informational message. |
Problem | DCS stack failed to start |
User response | Check connectivity to other members . |
Problem | General message for tracking important view change events |
User response | None. Informational message. |
Problem | Unreadable message received from another member. This might indicate incompatible software version. |
User response | Check software version. |
Problem | DCS Started a new transport infrastructure instance. |
User response | None. An informational message only. |
Problem | DCS Linked to an existing transport infrastructure instance. |
User response | None. An informational message only. |
Problem | DCS failed to create its transport infrastructure (for example: Channel Framework). |
User response | Check the log for other errors specific to the transport type. If the problem can't be resolved contact IBM service. |
Problem | DCS failed to join a multicast group address. A possible cause for this problem is a configured system limit on the maximal number of multicast groups. |
User response | Check network/firewall configuration of the operating system. |
Problem | DCS failed to join a multicast group address. A possible cause for this problem is a configured system limit on the maximal number of multicast groups. |
User response | Check network/firewall configuration of the operating system. |
Problem | The DCS Transport infrastructure on this member failed to send a UDP datagram. |
User response | Check the network connectivity of this machine. |
Problem | DCS received a connection request, which was initiated by a member who is not part of the coregroup membership. |
User response | If this condition persists, synchronize the configuration for this node and restart the process. |
Problem | DCS received a new connection, which was initiated by a defined member. |
User response | None. An informational message only. |
Problem | All new view members sent a notification to this member using the new view identifier. |
User response | None. An informational message only. |
Problem | An unusual connectivity state has occurred. Logging this information may be useful when other DCS error messages occur. |
User response | None. An informational message only. |
Problem | An unexpected internal connectivity state has occurred. The situation is recoverable. |
User response | If situation reoccurs frequently contact IBM service |
Problem | The DCS outgoing messages queue exceeded its allocated memory limit. Further outgoing messages will be blocked. |
User response | If message repeats, consider decreasing load on this process or increasing total memory available for DCS. For more information see the Information Center on configuring a core group for replication. |
Problem | The DCS outgoing messages queue is close to exceed its allocated memory limit. |
User response | If message repeats, consider decreasing load on this process or increasing total memory available for DCS. For more information see the Information Center on configuring a core group for replication. |
Problem | The DCS outgoing messages queue is back to its normal limit. This is printed after either DCSV1003W or DCSV1004W. |
User response | None. An informational message only. |
Problem | The transport infrastructure incoming messages memory exceeds its nominal memory limit. |
User response | Consider increasing the nominal memory size in the transport configuration or lowering the load of the specified sender. For more information see the Information Center on configuring a core group for replication. |
Problem | The incoming message queue is back to its normal limit. This is printed after DCSV1011W. |
User response | None. An informational message only. |
Problem | An inconsistent internal state was detected in the transport infrastructure. See the exception for more information about the root cause of the problem. |
User response | Correct the cause of the problem or contact IBM Service. |
Problem | DCS received a token with a length that exceeds the configured maximum topic length. |
User response | Correct the maximum topic length configuration parameter. |
Problem | Another member closed its outgoing connection to the local member. The other member may have been stopped, or there may be a problem with the member or with network connectivity. |
User response | If the member has not been stopped, check the other member for errors and check network connectivity to other member. |
Problem | DCS failed to receive a heartbeat from another member within a configured time interval. This may indicate a problem with the other member or with network connectivity. |
User response | Check the other member for errors and check network connectivity to other member. |
Problem | The outgoing connection to another member was closed. The other member may have been stopped, or there is a problem with the other member or with network connectivity. |
User response | If the other member has not been stopped, check the other member for errors and check network connectivity to other member. |
Problem | A packet sent by another member was lost. |
User response | contact IBM Service. |
Problem | Another member closed its connection with the local member. The other member may have been stopped, or there may be a problem with the member or with network connectivity. |
User response | If the member has not been stopped, check the other member for errors and check network connectivity to other member. |
Problem | DCS failed to receive a confirmation from another member about the new view. This indicates a problem with the other member or with network connectivity. |
User response | Check the problematic member for errors and check network connectivity to other member. |
Problem | A new view with a disconnected member has been established. |
User response | No action required. If this message repeats, please report to IBM service. |
Problem | Another member does not include the local member in the new view members. |
User response | Check the problematic member. |
Problem | Another member created an additional outgoing connection to the local member. This may indicate that the problematic member has been restarted or that two members use the same name. |
User response | Check the problematic member. |
Problem | A new view with a denied member has been established. |
User response | If this message repeats, please report to IBM service. |
Problem | The local member failed to establish the new view with the problematic member. |
User response | Check the problematic member. |
Problem | The receiver side memory of the transport infrastructure was exhausted. In order to free memory the sender which consumes the most memory will be removed. |
User response | Consider increasing the dynamic memory size in the transport infrastructure configuration or lowering the load of the problematic member. |
Problem | The transport infrastructure suspected a member that failed to acknowledge messages at a sufficient rate. That member caused the memory, dedicated for saving outgoing unacknowledged messages, to be exhausted. This indicates that the problematic member might either be down or cannot handle the load. |
User response | Check whether the problematic member is running. If it is running, consider lowering load on the local machine or check whether the machine of the suspected member can handle the load. |
Problem | The view synchronization timed out, failing to guarantee that all members will continue to be in the next view, so some members will be removed |
User response | If this warning repeats, contact IBM service. |
Problem | DCS received a message from an invalid sender and ignored it. |
User response | Verify the configuration of the invalid member, either on the local member or the invalid member. |
Problem | View synchronization completed successfully. |
User response | None. An informational message only. |
Problem | The amount of memory available for view synchronization is low. |
User response | If a DCSV2006I message indicating that memory levels have returned to normal does not follow almost immediately, contact IBM service. |
Problem | The amount of memory available for view synchronization is back to normal. |
User response | None. An informational message only. |
Problem | DCS received an out of order message from other member. |
User response | Please report to IBM service. |
Problem | Another member failed to complete the synchronization procedure within the configured time. |
User response | If this warning repeats, contact IBM service. |
Problem | DCS tracked an inconsistent view synchronization related behaviour of another member. |
User response | Please report to IBM service. |
Problem | An unexpected error occurred. See the exception stack trace for more detail. |
User response | If the root cause cannot be determined and corrected, contact IBM Service. |
Problem | An internal inconsistency was detected. No recovery is possible. |
User response | Contact IBM Service |
Problem | Member received a shutdown request and will be stopped. |
User response | None. Informational message. |
Problem | The stack is configured differently on the two processes. More information may follow in message DCSV8021W. |
User response | Check configuration of the two members. If the problem can not be resolved contact IBM Service |
Problem | The stack is configured differently on the two members |
User response | Check configuration of the two members. If the problem can not be resolved contact IBM Service |
Problem | The two members have different coregroup memberships. The inconsistency may be fixed automatically. |
User response | Verify that the configuration has been synchronized across all the nodes in the cell. If not, manually synchronize the configuration. Once the configuration stabilizes, this problem should resolve itself automatically |
Problem | Join attempt halted due to the specified reason. This may be caused by high loads on the involved nodes. |
User response | None. Informational. Verify load on the involved nodes. If this reoccurs frequently contact IBM service. |
Problem | Join attempt halted due to timeout waiting for a response from a member. This may be caused by high loads on the involved nodes. |
User response | None. Informational. Verify load on the involved nodes. If this reoccurs frequently contact IBM service. |
Problem | Join attempt ignored; member is already involved in a view change. After view change join may be attempted again. |
User response | None. The join will automatically be attempted again. If the problem persists, contact IBM Service. |
Problem | A view change has completed |
User response | None. Informational |
Problem | Core group membership set changed in stack |
User response | None. Informational |
Problem | Core group membership set changed in stack |
User response | None. Informational |
Problem | Internal view change protocol in process, with failed members being excluded |
User response | None. Informational |
Problem | Internal view change protocol in process |
User response | None. Informational |
Problem | Core group membership set changed in stack, however some failures |
User response | None. Informational |
Problem | Core group membership set change request failed. The can be due to the timeliness of the request |
User response | None. Informational |
Problem | Internal view change protocol in process, with failed members being excluded. Since the number of failed members is large, they are not listed, but information regarding failures can be found in the logs |
User response | None. Informational |
Problem | Received request to install a new view in a data stack. |
User response | None. Informational |
Problem | Received request to change the Core group membership set. |
User response | None. Informational |
Problem | HA Manager state was updated. |
User response | None. Informational. |
Problem | Failed to deserialize HA Manager state. |
User response | Contact IBM Service. |
Problem | Failed to serialize HA Manager state. |
User response | Contact IBM Service. |
Problem | This member was removed by another member. Automatic response is to remove the other member (mutual suspicion). |
User response | No action required. Check the suspected member and/or the communication between the suspected member and this member. |
Problem | The problematic member sent a message out of protocol sequence. |
User response | No action required. If problem persists contact IBM |
Problem | Another member did not respond within expected time period. Member is removed from view and processing continues. |
User response | No action required. Check the other member and/or the communication between the other member and this member. |
Problem | The member is being removed due to request by another member. |
User response | No action required. Check the removed member and/or the communication between the removed member and the requesting member. |
Problem | Received administrative request to remove the member from view. |
User response | None. Informational |
Problem | All other members will be removed from view due to an inconsistency |
User response | No action required. If this warning reoccurs frequently contact IBM |
Problem | Failed to start because of illegal configuration values. |
User response | Change the transport configuration parameters. |
Problem | Failed to create a socket. This may indicate a host network configuration problem. For example, trying to create a multicast socket when multicast is disabled on the host. |
User response | Check the exception message. |
Problem | Failed to set the interface on the multicast socket. This may indicate a wrong configured interface address. |
User response | Check the configured local interface address. |
Problem | Failed to set the Time-To-Live parameter on the multicast socket. |
User response | Contact IBM Service. |
Problem | Failed to join a multicast group address. This may indicate of a multicast network configuration problem. A possible cause for this problem is a configured system limit on the maximal number of multicast groups. |
User response | Check network/firewall configuration of the operating system. |
Problem | Failed to leave a multicast group address. This may indicate of a multicast network configuration problem. |
User response | Check network/firewall configuration of the operating system. |
Problem | Failed to allocate enough memory to deal with an incoming message. |
User response | Consider increasing the JVM memory heap size or lowering messaging rate of other transmitters. |
Problem | Failed to encode/decode a String because the local operating system does not support the specified encoding. |
User response | Configure the local operating system to support the specified encoding. |
Problem | Failed to resolve an internet address, probably because of a DNS problem. |
User response | Check the DNS environment. |
Problem | Failed to set the buffer size on the socket. This probably indicates of a configured limitation in the operating system. This warning may lead to inferior transport performance. |
User response | Check operating system network configuration. |
Problem | Failed to bind a socket to the specified address. This probably indicates that the specified port is already taken. |
User response | Check configuration of the server socket port. |
Problem | Another machine sent a packet longer than the configured buffer length for incoming packets. This might indicate that another application is using RMM with a larger configured packet size or that a malicious sender attempts to send large packets to local machine. |
User response | Check identity and configuration of the specified sending machine. |
Problem | An unexpected error occurred. See the exception stack trace for more detail. |
User response | Contact IBM Service. |
Problem | Failed to send a UDP packet because of a connectivity problem. |
User response | Check network connectivity. |
Problem | Failed to set a socket parameter. |
User response | Check operating system network configuration. |
Problem | received an incoming connection with a tag (queue name) that exceeds the configured maximum length. This probably indicates either a maximum topic size configuration problem or a malicious tampering with wire format. |
User response | Check the identity and the configured maximum token size of the specified sending machine. |
Problem | A general networking problem occurred on a socket address. |
User response | Check network configuration. |