Hi Alex, Thank you,
After set-up of the 3 node cluster (I,e Quorum nodes), I can see cluster continues to operate after losing one node. Also I verified the message is reached to the new MASTER node. On Fri, Jul 14, 2017 at 5:40 PM, Oleksandr Rudyy <oru...@gmail.com> wrote: > Hi Girish, > > HA cluster operates when the majority of nodes is available (when "Required > Minimum Number Of Nodes" is set to DEFAULT). > In 2-node cluster the majority is 2. Thus, when one node goes down, the > cluster looses majority and cannot operate even when second node is Ok. > It is implemented like this in order to avoid "Split brain scenario". > > You can make cluster operational by setting "Allow to Operate Solo" on the > remaining node. > > Please note, that only one node in 2-node cluster can have "Allow to > Operate Solo" set on. > > Alternately, you can set-up 3-node cluster. The 3-nodes cluster continues > to operate after loosing one node (due to majority being 2, thus, the > election of the Master can be performed). > Obviously, when 2 nodes are lost in 3-nodes cluster, the remaining node > cannot operate by itself (unless you override "Required Minimum Number Of > Nodes" and set it to 1). > > > I hope that the above can help you to understand why node2 goes into > WAITING Role and node1 becomes UNREACHABLE on stop of virtual machine for > node1. > > Kind Regards, > Alex > > > > On 14 July 2017 at 11:41, girish lc <girish...@gmail.com> wrote: > > > > > > > Hi Alex, > > > > Thank you very much for your detailed email, now I'm able to send the > > message in the group. > > > > I had used the below URL with fail over settings, > > > > connectionfactory.qpidConnectionFactory=amqp://guest:guest@clientid > > /hagroup?failover='roundrobin?cyclecount='2''&brokerlist=' > > tcp://<node1>:5672?retries='5'&connectdelay='2000';tcp://< > > node2>:5672?retries='5'&connectdelay='2000'' > > > > 1. When I do the flip b/w MASTER and REPLICA, I can see the messages in > > the new MASTER(old REPLICA) . > > > > 2. But when I stop the VM1(node1) system the VM2(node2) goes to WAITING > > Role and node1 becomes UNREACHABLE and the message sent to MASTER will > not > > deliver and gives the below error, > > Could you please let me know how to handle the Failover case of MASTER > > node OR Is it the correct behavior ??? > > > > > > [image: Inline image 4] > > > > > > > > > > [image: Inline image 3] > > > > > > > > > > > > On Thu, Jul 13, 2017 at 7:27 PM, Oleksandr Rudyy <oru...@gmail.com> > wrote: > > > >> Hi Girish, > >> > >> As a simple test you can publish a message into your HA virtual host, > flip > >> the mastersheep to replica, and consume that message from a new master. > >> > >> The connection URL you have provided is from JMS client for AMQP 0-x > >> protocols [1]. You can use JMS client for AMQP 0-x or switch to newer > jms > >> client for AMQP 1.0 [2]. > >> > >> For both JMS client you need to specify a virtual host name in a > >> connection > >> URL if ha node is not a default one. > >> > >> For example, AMQP 0-x client connection URL would need to be changed as > >> below > >> > >> connectionfactory.qpidConnectionFactory=amqp://guest:guest@clientid/<ha > >> virtual host name>?brokerlist='tcp://localhost:5672' > >> > >> where <ha virtual host name> is your HA group name. > >> > >> The format of connection URL for AMQP 0-x client is documented in [2]: > >> > >> If you need an automatic failover (client reconnects automatically to > >> master broker on mastersheep change), you can specify both brokers in a > >> connection URL with failover settings, for example > >> > >> connectionfactory.qpidConnectionFactory=amqp://guest:guest@/<ha virtual > >> host name>?failover='roundrobin?cyclecount='2'' > >> &brokerlist='tcp://<host1>:<port1>?retries='5'&connectdelay= > >> '2000';tcp://<host2>:<port2>?retries='5'&connectdelay='2000'' > >> > >> For new JMS client please check documentation at [4]. > >> > >> Kind Regards, > >> Alex > >> > >> [1] http://qpid.apache.org/components/jms/amqp-0-x.html > >> [2] http://qpid.apache.org/components/jms/index.html > >> [3] > >> http://qpid.apache.org/releases/qpid-java-6.1.4/jms-client- > >> 0-8/book/JMS-Client-0-8-Connection-URL.html > >> [4] https://qpid.apache.org/releases/qpid-jms-0.23.0/docs/index.html > >> > >> > >> > >> On 13 July 2017 at 14:36, girish lc <girish...@gmail.com> wrote: > >> > >> > Hi, > >> > > >> > I'm able to create group as mentioned in the link, > >> > [image: Inline image 1] > >> > http://qpid.apache.org/releases/qpid-java-6.1.4/java- > >> > broker/book/Java-Broker-High-Availability-CreatingGroup.html > >> > > >> > Somebody please guide me how to test the HA. > >> > > >> > Here below are the steps I followed: > >> > > >> > 1. Created the MASTER node in one VM(1st VM). and added the other > VM(2nd > >> > VM) details in the permitted address. > >> > > >> > 2. Created the REPLICA in the 2nd VM and added MASTER node details in > >> the > >> > permitted address > >> > > >> > 3. When I was sending the message to the Queue earlier I was using > this > >> > below line in the config.properties file. > >> > > >> > connectionfactory.qpidConnectionFactory=amqp://guest:guest@clientid/? > >> > brokerlist='tcp://localhost:5672' > >> > > >> > But now I am not able to send any message to the MASTER node, getting > >> the > >> > below error. > >> > > >> > [image: Inline image 2] > >> > > >> > > >> > > >> > > >> > > >> > On Wed, Jul 12, 2017 at 11:13 AM, girish lc <girish...@gmail.com> > >> wrote: > >> > > >> >> Hi Alex, > >> >> > >> >> I'm following the same link, now I've created one MASTER node and one > >> >> REPLICA to form the group, but I am not getting the idea how to use > or > >> test? > >> >> > >> >> On Tue, Jul 11, 2017 at 6:25 PM, Oleksandr Rudyy <oru...@gmail.com> > >> >> wrote: > >> >> > >> >>> Girish, > >> >>> > >> >>> Please following instructions in Qpid documentation [1]. > >> >>> > >> >>> Kind Regards, > >> >>> Alex > >> >>> > >> >>> [1] > >> >>> http://qpid.apache.org/releases/qpid-java-6.1.4/java-broker/ > >> >>> book/Java-Broker-High-Availability-CreatingGroup.html > >> >>> > >> >>> On 11 July 2017 at 11:10, girish lc <girish...@gmail.com> wrote: > >> >>> > >> >>> > Hi , > >> >>> > > >> >>> > After changing the port to 5674 (new port) I'm able to create > Master > >> >>> node > >> >>> > :) > >> >>> > > >> >>> > Working on the REPLICA node, still if any of you have the snapshot > >> for > >> >>> the > >> >>> > same please share, I am not sure how to check the High > Availability > >> >>> > working, please guide me. > >> >>> > > >> >>> > On Tue, Jul 11, 2017 at 3:33 PM, girish lc <girish...@gmail.com> > >> >>> wrote: > >> >>> > > >> >>> >> Hi Adel, > >> >>> >> > >> >>> >> After including the bdb je 5.0.104, I'm still getting the below > >> >>> error, if > >> >>> >> any of you have already configured could you please send me the > >> >>> screen shot. > >> >>> >> > >> >>> >> [image: Inline image 1] > >> >>> >> > >> >>> >> On Tue, Jul 11, 2017 at 3:03 PM, Adel Boutros < > >> adelbout...@live.com> > >> >>> >> wrote: > >> >>> >> > >> >>> >>> Hello, > >> >>> >>> > >> >>> >>> > >> >>> >>> You can find it on Oracle's website: > >> >>> >>> > >> >>> >>> http://www.oracle.com/technetwork/database/database-technolo > >> >>> >>> gies/berkeleydb/downloads/index-098622.html > >> >>> >>> > >> >>> >>> > >> >>> >>> Regards, > >> >>> >>> > >> >>> >>> Adel > >> >>> >>> > >> >>> >>> > >> >>> >>> ________________________________ > >> >>> >>> From: girish lc <girish...@gmail.com> > >> >>> >>> Sent: Tuesday, July 11, 2017 11:04:31 AM > >> >>> >>> To: users@qpid.apache.org > >> >>> >>> Subject: Re: Qpid High Availability > >> >>> >>> > >> >>> >>> Hi Alex, > >> >>> >>> > >> >>> >>> Could you please share me the location from where I can download > >> bdb > >> >>> je > >> >>> >>> 5.0.104, as I'm not able to find. > >> >>> >>> > >> >>> >>> Many thanks, > >> >>> >>> > >> >>> >>> On Tue, Jul 11, 2017 at 1:40 PM, Oleksandr Rudyy < > >> oru...@gmail.com> > >> >>> >>> wrote: > >> >>> >>> > >> >>> >>> > Hi Girish, > >> >>> >>> > > >> >>> >>> > I tested HA with bdb je 5.0.73 and got the same error. It > >> appears > >> >>> that > >> >>> >>> je > >> >>> >>> > configuration setting "je.cleaner.adjustUtilization" was > >> >>> introduced in > >> >>> >>> > versions after 5.0.73. Unfortunately, the setting is > hard-coded > >> in > >> >>> the > >> >>> >>> Qpid > >> >>> >>> > code. In order to resolve the issue you need to upgrade bdb je > >> to > >> >>> >>> 5.0.104. > >> >>> >>> > > >> >>> >>> > Kind Regards, > >> >>> >>> > Alex > >> >>> >>> > > >> >>> >>> > On 10 July 2017 at 16:50, girish lc <girish...@gmail.com> > >> wrote: > >> >>> >>> > > >> >>> >>> > > Hi Alex, > >> >>> >>> > > > >> >>> >>> > > Thank you for the email, > >> >>> >>> > > > >> >>> >>> > > I'm using the below version: > >> >>> >>> > > > >> >>> >>> > > qpid-java-6.1.4 > >> >>> >>> > > Berkeley DB Java Edition - 5.0.73 > >> >>> >>> > > > >> >>> >>> > > Please let me know the correct combination. > >> >>> >>> > > > >> >>> >>> > > On Mon, Jul 10, 2017 at 6:54 PM, Oleksandr Rudyy < > >> >>> oru...@gmail.com> > >> >>> >>> > wrote: > >> >>> >>> > > > >> >>> >>> > > > Hi Girish, > >> >>> >>> > > > > >> >>> >>> > > > What version of bdb je library are you using? > >> >>> >>> > > > > >> >>> >>> > > > 6.x versions of Qpid Broker are based on bdb je version > >> 5.0.104 > >> >>> >>> due to > >> >>> >>> > > > Oracle license change. > >> >>> >>> > > > > >> >>> >>> > > > Master and new 7.x versions of the Broker will be based > new > >> >>> bdb je > >> >>> >>> > > versions > >> >>> >>> > > > ( 7.3.7 and above), as Oracle started to distribute je > with > >> >>> dual > >> >>> >>> > > licenses - > >> >>> >>> > > > one of which is Apache license. > >> >>> >>> > > > > >> >>> >>> > > > I am guessing that you are trying to start 6.x version of > >> >>> Broker > >> >>> >>> with > >> >>> >>> > bd > >> >>> >>> > > je > >> >>> >>> > > > 7.3.x. Please, use je version 5.0.104. > >> >>> >>> > > > > >> >>> >>> > > > Kind Regards, > >> >>> >>> > > > Alex > >> >>> >>> > > > > >> >>> >>> > > > > >> >>> >>> > > > On 10 July 2017 at 14:03, Chandrashekar, Girish < > >> >>> >>> > > gchandrashe...@wabtec.com > >> >>> >>> > > > > > >> >>> >>> > > > wrote: > >> >>> >>> > > > > >> >>> >>> > > > > Hi Team, > >> >>> >>> > > > > > >> >>> >>> > > > > > >> >>> >>> > > > > Could you please help me to setup Qpid High Availability > >> >>> >>> > functionality. > >> >>> >>> > > > > > >> >>> >>> > > > > > >> >>> >>> > > > > I am referring the below link, but I am not successful > to > >> >>> setup; > >> >>> >>> in > >> >>> >>> > > fact > >> >>> >>> > > > I > >> >>> >>> > > > > got the "422 - je.cleaner.adjustUtilization is not a > valid > >> >>> BDBJE > >> >>> >>> > > > > environment parameter" error and also I had lost the > >> files > >> >>> and > >> >>> >>> > folders > >> >>> >>> > > > > present in my C:\ after this error. I tried the same in > 2 > >> >>> virtual > >> >>> >>> > > > machines > >> >>> >>> > > > > and also in my local machine same result 😞 > >> >>> >>> > > > > > >> >>> >>> > > > > > >> >>> >>> > > > > https://qpid.apache.org/releases/qpid-java-6.1.4/java- > >> >>> >>> > > > > broker/book/Java-Broker-High-A > >> vailability-CreatingGroup.html > >> >>> >>> > > > > > >> >>> >>> > > > > > >> >>> >>> > > > > Can someone let me know the root cause and also please > >> help > >> >>> me to > >> >>> >>> > setup > >> >>> >>> > > > > the High Availability functionality. > >> >>> >>> > > > > > >> >>> >>> > > > > > >> >>> >>> > > > > Regards, > >> >>> >>> > > > > > >> >>> >>> > > > > Girish LC > >> >>> >>> > > > > > >> >>> >>> > > > > 09886521716 > >> >>> >>> > > > > > >> >>> >>> > > > > This email and any attachments are only for use by the > >> >>> intended > >> >>> >>> > > > > recipient(s) and may contain legally privileged, > >> >>> confidential, > >> >>> >>> > > > proprietary > >> >>> >>> > > > > or otherwise private information. Any unauthorized use, > >> >>> >>> reproduction, > >> >>> >>> > > > > dissemination, distribution or other disclosure of the > >> >>> contents > >> >>> >>> of > >> >>> >>> > this > >> >>> >>> > > > > e-mail or its attachments is strictly prohibited. If you > >> have > >> >>> >>> > received > >> >>> >>> > > > this > >> >>> >>> > > > > email in error, please notify the sender immediately and > >> >>> delete > >> >>> >>> the > >> >>> >>> > > > > original. Neither this information block, the typed name > >> of > >> >>> the > >> >>> >>> > sender, > >> >>> >>> > > > nor > >> >>> >>> > > > > anything else in this message is intended to constitute > an > >> >>> >>> electronic > >> >>> >>> > > > > signature unless a specific statement to the contrary is > >> >>> >>> included in > >> >>> >>> > > this > >> >>> >>> > > > > message. > >> >>> >>> > > > > > >> >>> >>> > > > > >> >>> >>> > > > >> >>> >>> > > > >> >>> >>> > > > >> >>> >>> > > -- > >> >>> >>> > > Regards, > >> >>> >>> > > Girish LC > >> >>> >>> > > #09886521716 > >> >>> >>> > > > >> >>> >>> > > >> >>> >>> > >> >>> >>> > >> >>> >>> > >> >>> >>> -- > >> >>> >>> Regards, > >> >>> >>> Girish LC > >> >>> >>> #09886521716 > >> >>> >>> > >> >>> >> > >> >>> >> > >> >>> >> > >> >>> >> -- > >> >>> >> Regards, > >> >>> >> Girish LC > >> >>> >> #09886521716 > >> >>> >> > >> >>> > > >> >>> > > >> >>> > > >> >>> > -- > >> >>> > Regards, > >> >>> > Girish LC > >> >>> > #09886521716 > >> >>> > > >> >>> > >> >> > >> >> > >> >> > >> >> -- > >> >> Regards, > >> >> Girish LC > >> >> #09886521716 > >> >> > >> > > >> > > >> > > >> > -- > >> > Regards, > >> > Girish LC > >> > #09886521716 > >> > > >> > > > > > > > > -- > > Regards, > > Girish LC > > #09886521716 > > > -- Regards, Girish LC #09886521716
