[JBoss JIRA] Commented: (JGRP-217) unplugging of network cable makes jgroups behave weirdly
by David Forget (JIRA)
[ http://jira.jboss.com/jira/browse/JGRP-217?page=comments#action_12341026 ]
David Forget commented on JGRP-217:
-----------------------------------
This issue is only present on UDP when VIEW_SYNC is used. The workaround is then to remove VIEW_SYNC from the stack.
> unplugging of network cable makes jgroups behave weirdly
> --------------------------------------------------------
>
> Key: JGRP-217
> URL: http://jira.jboss.com/jira/browse/JGRP-217
> Project: JGroups
> Issue Type: Bug
> Affects Versions: 2.2.8, 2.2.9, 2.3
> Reporter: Manoranjan Sahu
> Assigned To: Bela Ban
> Fix For: 2.4
>
> Attachments: logs.jar, mping.xml
>
>
> Hi,
> I am using jgroups 2.2.9 for communication in my cluster.
> I was checking the behaviour of jgroups to network fluctuation.
> for that I manually unplug the network cable and plug it back after some time.
> But jgroups keeps sending suspected messages and never bring that into the cluster.
> I have two machines in my cluster A(10.200.1.92) & B(10.200.1.74).
> I unplug the cable in machine B. and plug it back . but B never joined the cluster.
> Please find the attachment for the log files from both the machines.
> I am using TCP based communication. I set up my protocol stack using . MPING,MERGE2,FD,VERIFY_SUSPECT,pbcast.NAKACK,pbcast.STABLE,VIEW_SYNC,pbcast.GMS.
> The following are the confuguration in both the machines.
> configuration setting in Machine-A
> notificationbus.properties:
> TCP(bind_addr=boca;recv_buf_size=200000;send_buf_size=100000;loopback=true;
> start_port=7880):
> MPING(timeout=4000;bind_to_all_interfaces=true;mcast_addr=228.8.8.8;mcast_port=7500;
> ip_ttl=8;num_initial_members=4;num_ping_requests=1):
> MERGE2(max_interval=10000;min_interval=5000):
> FD(timeout=2000;max_tries=3):
> VERIFY_SUSPECT(timeout=1500;down_thread=false;up_thread=false):
> pbcast.NAKACK(max_xmit_size=60000;gc_lag=50;
> retransmit_timeout=100,200,300,600,1200,2400,4800):
> pbcast.STABLE(stability_delay=1000;desired_avg_gossip=20000;down_thread=false;
> up_thread=false;max_bytes=0):
> VIEW_SYNC(avg_send_interval=60000;down_thread=false;up_thread=false):
> pbcast.GMS(print_local_addr=true;join_timeout=5000;join_retry_timeout=2000;shun=true)
> -------------------------------
> configuration setting in Machine-B
> notificationbus.properties:
> TCP(bind_addr=rizal;recv_buf_size=200000;send_buf_size=100000;
> loopback=true;start_port=7880):
> MPING(timeout=4000;bind_to_all_interfaces=true;mcast_addr=228.8.8.8;
> mcast_port=7500;ip_ttl=8;num_initial_members=4;num_ping_requests=1):
> MERGE2(max_interval=10000;min_interval=5000):FD(timeout=2000;max_tries=3):
> VERIFY_SUSPECT(timeout=1500;down_thread=false;up_thread=false):
> pbcast.NAKACK(max_xmit_size=60000;gc_lag=50;
> retransmit_timeout=100,200,300,600,1200,2400,4800):
> pbcast.STABLE(stability_delay=1000;desired_avg_gossip=20000;down_thread=false;
> up_thread=false;max_bytes=0):
> VIEW_SYNC(avg_send_interval=60000;down_thread=false;up_thread=false):
> pbcast.GMS(print_local_addr=true;join_timeout=5000;join_retry_timeout=2000;shun=true)
> ----------------
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19 years, 11 months
[JBoss JIRA] Updated: (JBCACHE-474) Compatibility fwk for all classes passed on the wire
by Manik Surtani (JIRA)
[ http://jira.jboss.com/jira/browse/JBCACHE-474?page=all ]
Manik Surtani updated JBCACHE-474:
----------------------------------
Fix Version/s: 2.1.0
(was: 2.0.0)
> Compatibility fwk for all classes passed on the wire
> ----------------------------------------------------
>
> Key: JBCACHE-474
> URL: http://jira.jboss.com/jira/browse/JBCACHE-474
> Project: JBoss Cache
> Issue Type: Feature Request
> Security Level: Public(Everyone can see)
> Affects Versions: 1.2.4SP1
> Reporter: Manik Surtani
> Assigned To: Manik Surtani
> Fix For: 2.1.0
>
>
> Classes that are serialized:
> Fqn
> MethodCall (JG?)
> *Exception
> GlobalTransaction
> State transfers
> 1) Lets use JGroups Streamable where possible (dependency? Externalizable instead?)
> 2) Provide a header short containing version
> 3) Use a MarshallingFactory for each version so we can understand messages from older installations
> 4) Provide MarshallingFactories as plugins so old versions can talk to newer versions (fwd compat)
> Object unmarshal(short version, Class type, InputStream is)
> {
> // if plugin directory empty or unset || version == currentVersion, revert back to existing mechanism
> // else
> // Look up UnmarshallerPlugin in the compat table (populated at startup with the contents of the plugin dir)
> // Lookup based on version and class type. Unmarshaller then extracts and regenerates the relevant object.
> }
> Unit test as well.
> Standalone fwk? jboss-compat.jar + plugins.
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19 years, 11 months
[JBoss JIRA] Created: (JBPM-728) add jump to function
by Tom Baeyens (JIRA)
add jump to function
--------------------
Key: JBPM-728
URL: http://jira.jboss.com/jira/browse/JBPM-728
Project: JBoss jBPM
Issue Type: Feature Request
Components: Core Engine
Reporter: Tom Baeyens
Assigned To: Tom Baeyens
Whenever a user wants to jump to a given node, setNode might not be sufficient. Token.setNode only works properly if you're in a wait state. If during process execution you want to jump to a given node, you currently have to wait till the process enters a wait state and do the setNode then. This can impose side effects. One way of doing this is by means of throwing an exception. Maybe jbpm can use an exception internally to implement the jump...
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19 years, 11 months