[JBoss JIRA] Created: (JBAS-9273) Support for ls of a leaf node in admin console equating to :read-resouce
by Scott Stark (JIRA)
Support for ls of a leaf node in admin console equating to :read-resouce
------------------------------------------------------------------------
Key: JBAS-9273
URL: https://issues.jboss.org/browse/JBAS-9273
Project: JBoss Application Server
Issue Type: Feature Request
Security Level: Public (Everyone can see)
Components: CLI
Affects Versions: 7.0.0.Beta2
Reporter: Scott Stark
I was taking the cli jboss-admin.sh tool for a test drive, and using ls and tab completion to navigate down to the socket-binding-group=standard-sockets/socket-binding=http leaf, and was expecting an ls or at least an ls -l to display the attributes. Brian noted this might be expected, so this request is to have the ls dump out the leaf attributes as though a :read-resource operation was performed on the node.
[localhost:9999 /] ls
extension path subsystem
deployment management-interfaces interface
socket-binding-group
[localhost:9999 /] ls socket-binding-group=standard-sockets/socket-binding=
socket-binding=http
socket-binding=https
socket-binding=jmx-connector-registry
socket-binding=jmx-connector-server
socket-binding=jndi
socket-binding=messaging
socket-binding=messaging-throughput
socket-binding=osgi-http
socket-binding=remoting
socket-binding=txn-recovery-environment
socket-binding=txn-socket-process-id
socket-binding=txn-status-manager
[localhost:9999 /] ls socket-binding-group=standard-sockets/socket-binding=http
[localhost:9999 /] ls -l socket-binding-group=standard-sockets/socket-binding=http
[localhost:9999 /]
[localhost:9999 /] /socket-binding-group=standard-sockets/socket-binding=http:read-resource
{
"outcome" => "success",
"result" => {
"name" => "http",
"interface" => undefined,
"port" => 8080,
"fixed-port" => undefined,
"multicast-address" => undefined,
"multicast-port" => undefined
},
"compensating-operation" => undefined
}
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14 years, 5 months
[JBoss JIRA] Created: (JBMESSAGING-1836) java.lang.IllegalStateException: Channel id map for node 21 already contains binding for queue 2
by Mayank Mittal (JIRA)
java.lang.IllegalStateException: Channel id map for node 21 already contains binding for queue 2
------------------------------------------------------------------------------------------------
Key: JBMESSAGING-1836
URL: https://issues.jboss.org/browse/JBMESSAGING-1836
Project: JBoss Messaging
Issue Type: Bug
Components: JMS Clustering
Affects Versions: 1.4.2.GA.SP1
Environment: JBoss AS 4.2.3,
Database PostgreSQL 8.4
JGroups 2.4.4GA
OS Debian Lenny 64-bit
Reporter: Mayank Mittal
I tried to setup 2 node cluster setup on Debian Linux Machines with Jboss AS 4.2.3 GA with shared database.
I've some clustered queues deployed and whenever I perform fail over following exception is coming from MessagingPostOffice.
The same exception is coming for all queues and topics.
java.lang.IllegalStateException: Channel id map for node 21 already contains binding for queue 2
at org.jboss.messaging.core.impl.postoffice.MessagingPostOffice.addBindingInMemory(MessagingPostOffice.java:2384)
at org.jboss.messaging.core.impl.postoffice.MessagingPostOffice.internalAddBinding(MessagingPostOffice.java:1872)
at org.jboss.messaging.core.impl.postoffice.MessagingPostOffice.addBinding(MessagingPostOffice.java:454)
at org.jboss.jms.server.destination.QueueService.startService(QueueService.java:126)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
at org.jboss.system.ServiceMBeanSupport.start(ServiceMBeanSupport.java:196)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:995)
at $Proxy0.start(Unknown Source)
at org.jboss.system.ServiceController.start(ServiceController.java:417)
at org.jboss.system.ServiceController.start(ServiceController.java:435)
at org.jboss.system.ServiceController.start(ServiceController.java:435)
at org.jboss.system.ServiceController.start(ServiceController.java:435)
at org.jboss.system.ServiceController.start(ServiceController.java:435)
at org.jboss.system.ServiceController.start(ServiceController.java:435)
at org.jboss.system.ServiceController.start(ServiceController.java:435)
at org.jboss.system.ServiceController.start(ServiceController.java:435)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy4.start(Unknown Source)
at org.jboss.deployment.SARDeployer.start(SARDeployer.java:304)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy52.start(Unknown Source)
at org.jboss.deployment.XSLSubDeployer.start(XSLSubDeployer.java:197)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy9.deploy(Unknown Source)
at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:336)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
at $Proxy0.start(Unknown Source)
at org.jboss.system.ServiceController.start(ServiceController.java:417)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy4.start(Unknown Source)
at org.jboss.deployment.SARDeployer.start(SARDeployer.java:304)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:766)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy5.deploy(Unknown Source)
at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:482)
at org.jboss.system.server.ServerImpl.start(ServerImpl.java:362)
at org.jboss.Main.boot(Main.java:200)
at org.jboss.Main$1.run(Main.java:508)
at java.lang.Thread.run(Thread.java:619)
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14 years, 5 months
[JBoss JIRA] Created: (JGRP-809) Copyless stack
by Bela Ban (JIRA)
Copyless stack
--------------
Key: JGRP-809
URL: https://jira.jboss.org/jira/browse/JGRP-809
Project: JGroups
Issue Type: Feature Request
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 2.8
Currently (as of 2.7), the transport reads the contents of a received packet into a buffer, then passes a *copy* of the buffer to a thread from the OOB or incoming thread pools. To prevent this copy, we can
- have the receiver read only the version and OOB flag (to see which thread pool to dispatch the packet to)
- pass a ref to the socket to a thread from the incoming of OOB pool, have that thread read the packet and return
- each thread in the pool has its own buffer into which the buffer is read from the socket
Possibly use NIO: we can install a selector and get woken up whenever data to be read is present. At that point, we can pass the ref to the socket to the handler thread and return immediately. NIO with channels for multicast sockets is available only in JDK 7 (or 8?), so this is a bit off... However, we can already implement this with reading the version and flags bytes and then passing the socket to the handler
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14 years, 5 months
[JBoss JIRA] Created: (JGRP-815) Scatter/Gather to avoid copying
by Bela Ban (JIRA)
Scatter/Gather to avoid copying
-------------------------------
Key: JGRP-815
URL: https://jira.jboss.org/jira/browse/JGRP-815
Project: JGroups
Issue Type: Feature Request
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 2.8
When we invoke Channel.send(), we pass a bufffer to JGroups. At the transport level, JGroups marshals the sender and destination address, plus all headers and the buffer into a new byte[] buffer, which is then passed to the socket (DatagramSocket, MulticastSocket, Socket).
We cannot do gathering writes on a DatagramSocket because DatagramSocket doesn't expose this functionality, contrary to a DatagramChannel.
We could avoid having to copy the user's buffer by using gathering writes: effectively passing to the socket NIO ByteBuffers containing:
1: Src and dest address plus flags, plus possibly size
2: The marshalled headers
3: The buffer passed to JGroups by the user
We can obtain a gathering-write channel as follows:
ByteBuffer[] buffers; // contains the 3 byte buffers above
DatagramSocket sock;
DatagramChannel ch=sock.getChannel();
ch.write(buffers, 0, length); // length is the number of bytes of the total marshalled message
This is supported by a GatheringByteChannel.
I don't think there's currently a need to do scattered reads, but this needs to get investigated more. Also investigate whether MulticastSockets support gathering writes (whether they expose the correct DatagramChannel).
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14 years, 5 months
[JBoss JIRA] Created: (JGRP-816) TP: avoid copying when receiving data
by Bela Ban (JIRA)
TP: avoid copying when receiving data
-------------------------------------
Key: JGRP-816
URL: https://jira.jboss.org/jira/browse/JGRP-816
Project: JGroups
Issue Type: Feature Request
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 2.8
Currently, we receive data into a byte[] buffer, e.g. from DatagramSocket.receive(), but then have to COPY buffer when passing it to a worker from the thread pool. The copy is needed because the next DatargamSocket.receive() will overwrite the contents of buffer, and if the worker thread is still unmarshalling the data from the buffer, it might read corrupt contents.
To overcome this, investigate the following:
- Every worker thread has it own buffer
- When the thread has been idle for N seconds and is removed from the pool, that buffer will be discarded
- We create DatagramChannels from the socket(s) (DatagramSocket, MulticastSocket or Socket)
- A selector is called when new data is available on the socket
- The key returned by the selector points to the right channel
- We pass the channel to a thread pool worker thread and continue with the select() loop
- The worker then reads the data into its own buffer, unmarshalls it and passed it up the stack
==> No copy of the buffer is required as the thread's buffer is available until the message has been processed (usually until message unmarshalling)
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14 years, 5 months