Examples with CannotCreateRaftGroupException com.hazelcast.cp.internal.exception.CannotCreateRaftGroupException used on opensource projects

Example 1 with CannotCreateRaftGroupException

use of com.hazelcast.cp.internal.exception.CannotCreateRaftGroupException in project hazelcast by hazelcast.

the class MetadataRaftGroupManager method createRaftGroup.

public CPGroupSummary createRaftGroup(String groupName, Collection<RaftEndpoint> groupEndpoints, long groupId) {
    checkFalse(equalsIgnoreCase(METADATA_CP_GROUP_NAME, groupName), groupName + " is reserved for internal usage!");
    checkMetadataGroupInitSuccessful();
    // keep configuration on every metadata node
    CPGroupInfo group = getRaftGroupByName(groupName);
    if (group != null) {
        if (group.memberCount() == groupEndpoints.size()) {
            if (logger.isFineEnabled()) {
                logger.fine("CP group " + groupName + " already exists.");
            }
            return group.toSummary(activeMembers);
        }
        String msg = group.id() + " already exists with a different size: " + group.memberCount();
        logger.severe(msg);
        throw new IllegalStateException(msg);
    }
    group = getRaftGroupById(groupId);
    if (group != null) {
        throw new CannotCreateRaftGroupException("Cannot create CP group: " + groupName + " with members: " + groupEndpoints + " because group index: " + groupId + " already belongs to " + group.name());
    }
    Map<UUID, CPMemberInfo> activeMembersMap = getActiveMembersMap();
    CPMemberInfo leavingMember = membershipChangeSchedule != null ? membershipChangeSchedule.getLeavingMember() : null;
    for (RaftEndpoint groupEndpoint : groupEndpoints) {
        if ((leavingMember != null && groupEndpoint.getUuid().equals(leavingMember.getUuid())) || !activeMembersMap.containsKey(groupEndpoint.getUuid())) {
            String msg = "Cannot create CP group: " + groupName + " since " + groupEndpoint + " is not active";
            if (logger.isFineEnabled()) {
                logger.fine(msg);
            }
            throw new CannotCreateRaftGroupException(msg);
        }
    }
    return createRaftGroup(new CPGroupInfo(new RaftGroupId(groupName, getGroupIdSeed(), groupId), groupEndpoints));
}

Example 2 with CannotCreateRaftGroupException

use of com.hazelcast.cp.internal.exception.CannotCreateRaftGroupException in project hazelcast by hazelcast.

the class RaftInvocationManager method invokeCreateRaftGroup.

private void invokeCreateRaftGroup(String groupName, int groupSize, long groupIndex, List<RaftEndpoint> members, InternalCompletableFuture<RaftGroupId> resultFuture) {
    InternalCompletableFuture<CPGroupSummary> f = invoke(raftService.getMetadataGroupId(), new CreateRaftGroupOp(groupName, members, groupIndex));
    f.whenCompleteAsync((group, t) -> {
        if (t == null) {
            resultFuture.complete((RaftGroupId) group.id());
            triggerRaftNodeCreation(group);
        } else {
            if (t instanceof CannotCreateRaftGroupException) {
                logger.fine("Could not create CP group: " + groupName + " with members: " + members + " and group index: " + groupIndex, t.getCause());
                invokeGetMembersToCreateRaftGroup(groupName, groupSize, resultFuture);
                return;
            }
            resultFuture.completeExceptionally(t);
        }
    });
}