org.apache.catalina.tribes.ChannelException.FaultyMember Java Examples

The following examples show how to use org.apache.catalina.tribes.ChannelException.FaultyMember. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: ReplicatedMap.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up 
/**
 * publish info about a map pair (key/value) to other nodes in the cluster
 * @param key Object
 * @param value Object
 * @return Member - the backup node
 * @throws ChannelException Cluster error
 */
@Override
protected Member[] publishEntryInfo(Object key, Object value) throws ChannelException {
    if  (! (key instanceof Serializable && value instanceof Serializable)  ) return new Member[0];
    //select a backup node
    Member[] backup = getMapMembers();

    if (backup == null || backup.length == 0) return null;

    try {
        //publish the data out to all nodes
        MapMessage msg = new MapMessage(getMapContextName(), MapMessage.MSG_COPY, false,
                (Serializable) key, (Serializable) value, null,channel.getLocalMember(false), backup);

        getChannel().send(backup, msg, getChannelSendOptions());
    } catch (ChannelException e) {
        FaultyMember[] faultyMembers = e.getFaultyMembers();
        if (faultyMembers.length == 0) throw e;
        List<Member> faulty = new ArrayList<>();
        for (FaultyMember faultyMember : faultyMembers) {
            if (!(faultyMember.getCause() instanceof RemoteProcessException)) {
                faulty.add(faultyMember.getMember());
            }
        }
        Member[] realFaultyMembers = faulty.toArray(new Member[faulty.size()]);
        if (realFaultyMembers.length != 0) {
            backup = excludeFromSet(realFaultyMembers, backup);
            if (backup.length == 0) {
                throw e;
            } else {
                if (getLog().isWarnEnabled()) {
                    getLog().warn(sm.getString("replicatedMap.unableReplicate.completely", key,
                            Arrays.toString(backup), Arrays.toString(realFaultyMembers)), e);
                }
            }
        }
    }
    return backup;
}
Example #2
Source File: TcpFailureDetector.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up 
@Override
public void sendMessage(Member[] destination, ChannelMessage msg, InterceptorPayload payload) throws ChannelException {
    try {
        super.sendMessage(destination, msg, payload);
    }catch ( ChannelException cx ) {
        FaultyMember[] mbrs = cx.getFaultyMembers();
        for ( int i=0; i<mbrs.length; i++ ) {
            if ( mbrs[i].getCause()!=null &&
                 (!(mbrs[i].getCause() instanceof RemoteProcessException)) ) {//RemoteProcessException's are ok
                this.memberDisappeared(mbrs[i].getMember());
            }//end if
        }//for
        throw cx;
    }
}
Example #3
Source File: TcpFailureDetector.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up 
@Override
public void sendMessage(Member[] destination, ChannelMessage msg, InterceptorPayload payload) throws ChannelException {
    try {
        super.sendMessage(destination, msg, payload);
    }catch ( ChannelException cx ) {
        FaultyMember[] mbrs = cx.getFaultyMembers();
        for ( int i=0; i<mbrs.length; i++ ) {
            if ( mbrs[i].getCause()!=null &&
                 (!(mbrs[i].getCause() instanceof RemoteProcessException)) ) {//RemoteProcessException's are ok
                this.memberDisappeared(mbrs[i].getMember());
            }//end if
        }//for
        throw cx;
    }
}
Example #4
Source File: TcpFailureDetector.java    From tomcatsrc with Apache License 2.0 5 votes vote down vote up 
@Override
public void sendMessage(Member[] destination, ChannelMessage msg, InterceptorPayload payload) throws ChannelException {
    try {
        super.sendMessage(destination, msg, payload);
    }catch ( ChannelException cx ) {
        FaultyMember[] mbrs = cx.getFaultyMembers();
        for ( int i=0; i<mbrs.length; i++ ) {
            if ( mbrs[i].getCause()!=null &&
                 (!(mbrs[i].getCause() instanceof RemoteProcessException)) ) {//RemoteProcessException's are ok
                this.memberDisappeared(mbrs[i].getMember());
            }//end if
        }//for
        throw cx;
    }
}
Example #5
Source File: AbstractReplicatedMap.java    From Tomcat7.0.67 with Apache License 2.0 4 votes vote down vote up 
/**
 * Sends a ping out to all the members in the cluster, not just map members
 * that this map is alive.
 * @param timeout long
 * @throws ChannelException
 */
protected void ping(long timeout) throws ChannelException {
    //send out a map membership message, only wait for the first reply
    MapMessage msg = new MapMessage(this.mapContextName,
                                    MapMessage.MSG_INIT,
                                    false,
                                    null,
                                    null,
                                    null,
                                    channel.getLocalMember(false),
                                    null);
    if ( channel.getMembers().length > 0 ) {
        try {
            //send a ping, wait for all nodes to reply
            Response[] resp = rpcChannel.send(channel.getMembers(),
                                              msg, RpcChannel.ALL_REPLY,
                                              (channelSendOptions),
                                              (int) accessTimeout);
            for (int i = 0; i < resp.length; i++) {
                memberAlive(resp[i].getSource());
            }
        } catch (ChannelException ce) {
            // Handle known failed members
            FaultyMember[] faultyMembers = ce.getFaultyMembers();
            for (FaultyMember faultyMember : faultyMembers) {
                memberDisappeared(faultyMember.getMember());
            }
            throw ce;
        }
    }
    //update our map of members, expire some if we didn't receive a ping back
    synchronized (mapMembers) {
        Member[] members = mapMembers.keySet().toArray(new Member[mapMembers.size()]);
        long now = System.currentTimeMillis();
        for (Member member : members) {
            long access = mapMembers.get(member).longValue();
            if ( (now - access) > timeout ) {
                memberDisappeared(member);
            }
        }
    }//synch
}
Example #6
Source File: ReplicatedMap.java    From Tomcat7.0.67 with Apache License 2.0 4 votes vote down vote up 
/**
 * publish info about a map pair (key/value) to other nodes in the cluster
 * @param key Object
 * @param value Object
 * @return Member - the backup node
 * @throws ChannelException
 */
@Override
protected Member[] publishEntryInfo(Object key, Object value) throws ChannelException {
    if  (! (key instanceof Serializable && value instanceof Serializable)  ) return new Member[0];
    //select a backup node
    Member[] backup = getMapMembers();

    if (backup == null || backup.length == 0) return null;

    try {
        
        //publish the data out to all nodes
        MapMessage msg = new MapMessage(getMapContextName(), MapMessage.MSG_COPY, false,
                (Serializable) key, (Serializable) value, null,channel.getLocalMember(false), backup);

        getChannel().send(getMapMembers(), msg, getChannelSendOptions());
    } catch (ChannelException e) {
        FaultyMember[] faultyMembers = e.getFaultyMembers();
        if (faultyMembers.length == 0) throw e;
        ArrayList<Member> faulty = new ArrayList<Member>();
        for (FaultyMember faultyMember : faultyMembers) {
            if (!(faultyMember.getCause() instanceof RemoteProcessException)) {
                faulty.add(faultyMember.getMember());
            }
        }
        Member[] realFaultyMembers = faulty.toArray(new Member[faulty.size()]);
        if (realFaultyMembers.length != 0) {
            backup = excludeFromSet(realFaultyMembers, backup);
            if (backup.length == 0) {
                throw e;
            } else {
                if (log.isWarnEnabled()) {
                    log.warn("Unable to replicate backup key:" + key
                            + ". Success nodes:" + Arrays.toString(backup)
                            + ". Failed nodes:" + Arrays.toString(realFaultyMembers), e);
                }
            }
        }
    }
    return backup;
}
Example #7
Source File: ReplicatedMap.java    From tomcatsrc with Apache License 2.0 4 votes vote down vote up 
/**
 * publish info about a map pair (key/value) to other nodes in the cluster
 * @param key Object
 * @param value Object
 * @return Member - the backup node
 * @throws ChannelException
 */
@Override
protected Member[] publishEntryInfo(Object key, Object value) throws ChannelException {
    if  (! (key instanceof Serializable && value instanceof Serializable)  ) return new Member[0];
    //select a backup node
    Member[] backup = getMapMembers();

    if (backup == null || backup.length == 0) return null;

    try {
        
        //publish the data out to all nodes
        MapMessage msg = new MapMessage(getMapContextName(), MapMessage.MSG_COPY, false,
                (Serializable) key, (Serializable) value, null,channel.getLocalMember(false), backup);

        getChannel().send(backup, msg, getChannelSendOptions());
    } catch (ChannelException e) {
        FaultyMember[] faultyMembers = e.getFaultyMembers();
        if (faultyMembers.length == 0) throw e;
        ArrayList<Member> faulty = new ArrayList<Member>();
        for (FaultyMember faultyMember : faultyMembers) {
            if (!(faultyMember.getCause() instanceof RemoteProcessException)) {
                faulty.add(faultyMember.getMember());
            }
        }
        Member[] realFaultyMembers = faulty.toArray(new Member[faulty.size()]);
        if (realFaultyMembers.length != 0) {
            backup = excludeFromSet(realFaultyMembers, backup);
            if (backup.length == 0) {
                throw e;
            } else {
                if (log.isWarnEnabled()) {
                    log.warn("Unable to replicate backup key:" + key
                            + ". Success nodes:" + Arrays.toString(backup)
                            + ". Failed nodes:" + Arrays.toString(realFaultyMembers), e);
                }
            }
        }
    }
    return backup;
}