org.apache.catalina.tribes.RemoteProcessException Java Examples
The following examples show how to use
org.apache.catalina.tribes.RemoteProcessException.
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Example #1
| Source File: ReplicatedMap.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
/**
* 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 |
|
@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: BioSender.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
/**
* Wait for Acknowledgement from other server.
* FIXME Please, not wait only for three characters, better control that the wait ack message is correct.
* @throws IOException An IO error occurred
*/
protected void waitForAck() throws java.io.IOException {
try {
boolean ackReceived = false;
boolean failAckReceived = false;
ackbuf.clear();
int bytesRead = 0;
int i = soIn.read();
while ((i != -1) && (bytesRead < Constants.ACK_COMMAND.length)) {
bytesRead++;
byte d = (byte)i;
ackbuf.append(d);
if (ackbuf.doesPackageExist() ) {
byte[] ackcmd = ackbuf.extractDataPackage(true).getBytes();
ackReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.ACK_DATA);
failAckReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.FAIL_ACK_DATA);
ackReceived = ackReceived || failAckReceived;
break;
}
i = soIn.read();
}
if (!ackReceived) {
if (i == -1) throw new IOException(sm.getString("bioSender.ack.eof",getAddress(), Integer.valueOf(socket.getLocalPort())));
else throw new IOException(sm.getString("bioSender.ack.wrong",getAddress(), Integer.valueOf(socket.getLocalPort())));
} else if ( failAckReceived && getThrowOnFailedAck()) {
throw new RemoteProcessException(sm.getString("bioSender.fail.AckReceived"));
}
} catch (IOException x) {
String errmsg = sm.getString("bioSender.ack.missing", getAddress(), Integer.valueOf(socket.getLocalPort()), Long.valueOf(getTimeout()));
if ( SenderState.getSenderState(getDestination()).isReady() ) {
SenderState.getSenderState(getDestination()).setSuspect();
if ( log.isWarnEnabled() ) log.warn(errmsg, x);
} else {
if ( log.isDebugEnabled() )log.debug(errmsg, x);
}
throw x;
} finally {
ackbuf.clear();
}
}
Example #4
| Source File: TcpFailureDetector.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
@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: BioSender.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
/**
* Wait for Acknowledgement from other server.
* FIXME Please, not wait only for three characters, better control that the wait ack message is correct.
* @throws java.io.IOException
* @throws java.net.SocketTimeoutException
*/
protected void waitForAck() throws java.io.IOException {
try {
boolean ackReceived = false;
boolean failAckReceived = false;
ackbuf.clear();
int bytesRead = 0;
int i = soIn.read();
while ((i != -1) && (bytesRead < Constants.ACK_COMMAND.length)) {
bytesRead++;
byte d = (byte)i;
ackbuf.append(d);
if (ackbuf.doesPackageExist() ) {
byte[] ackcmd = ackbuf.extractDataPackage(true).getBytes();
ackReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.ACK_DATA);
failAckReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.FAIL_ACK_DATA);
ackReceived = ackReceived || failAckReceived;
break;
}
i = soIn.read();
}
if (!ackReceived) {
if (i == -1) throw new IOException(sm.getString("IDataSender.ack.eof",getAddress(), Integer.valueOf(socket.getLocalPort())));
else throw new IOException(sm.getString("IDataSender.ack.wrong",getAddress(), Integer.valueOf(socket.getLocalPort())));
} else if ( failAckReceived && getThrowOnFailedAck()) {
throw new RemoteProcessException("Received a failed ack:org.apache.catalina.tribes.transport.Constants.FAIL_ACK_DATA");
}
} catch (IOException x) {
String errmsg = sm.getString("IDataSender.ack.missing", getAddress(), Integer.valueOf(socket.getLocalPort()), Long.valueOf(getTimeout()));
if ( SenderState.getSenderState(getDestination()).isReady() ) {
SenderState.getSenderState(getDestination()).setSuspect();
if ( log.isWarnEnabled() ) log.warn(errmsg, x);
} else {
if ( log.isDebugEnabled() )log.debug(errmsg, x);
}
throw x;
} finally {
ackbuf.clear();
}
}
Example #6
| Source File: TcpFailureDetector.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
@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 #7
| Source File: BioSender.java From tomcatsrc with Apache License 2.0 | 5 votes |
|
/**
* Wait for Acknowledgement from other server.
* FIXME Please, not wait only for three characters, better control that the wait ack message is correct.
* @throws java.io.IOException
* @throws java.net.SocketTimeoutException
*/
protected void waitForAck() throws java.io.IOException {
try {
boolean ackReceived = false;
boolean failAckReceived = false;
ackbuf.clear();
int bytesRead = 0;
int i = soIn.read();
while ((i != -1) && (bytesRead < Constants.ACK_COMMAND.length)) {
bytesRead++;
byte d = (byte)i;
ackbuf.append(d);
if (ackbuf.doesPackageExist() ) {
byte[] ackcmd = ackbuf.extractDataPackage(true).getBytes();
ackReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.ACK_DATA);
failAckReceived = Arrays.equals(ackcmd,org.apache.catalina.tribes.transport.Constants.FAIL_ACK_DATA);
ackReceived = ackReceived || failAckReceived;
break;
}
i = soIn.read();
}
if (!ackReceived) {
if (i == -1) throw new IOException(sm.getString("IDataSender.ack.eof",getAddress(), Integer.valueOf(socket.getLocalPort())));
else throw new IOException(sm.getString("IDataSender.ack.wrong",getAddress(), Integer.valueOf(socket.getLocalPort())));
} else if ( failAckReceived && getThrowOnFailedAck()) {
throw new RemoteProcessException("Received a failed ack:org.apache.catalina.tribes.transport.Constants.FAIL_ACK_DATA");
}
} catch (IOException x) {
String errmsg = sm.getString("IDataSender.ack.missing", getAddress(), Integer.valueOf(socket.getLocalPort()), Long.valueOf(getTimeout()));
if ( SenderState.getSenderState(getDestination()).isReady() ) {
SenderState.getSenderState(getDestination()).setSuspect();
if ( log.isWarnEnabled() ) log.warn(errmsg, x);
} else {
if ( log.isDebugEnabled() )log.debug(errmsg, x);
}
throw x;
} finally {
ackbuf.clear();
}
}
Example #8
| Source File: ReplicatedMap.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
/**
* 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 #9
| Source File: ReplicatedMap.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
/**
* 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;
}
