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From "William Blackburn (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQ-1079) Slave Fail Error when Receiving message on a MasterSlave configuration
Date Thu, 14 Dec 2006 16:56:02 GMT
    [ https://issues.apache.org/activemq/browse/AMQ-1079?page=comments#action_37678 ] 
            
William Blackburn commented on AMQ-1079:
----------------------------------------

Please, ActiveMQ developers, please comment on this issue - it is a showstopper for us. Even
the knowledge that you are unable to reproduce would be helpful, because we could then provide
more data or test-cases. Our story is as follows:

We configure the master and slave according to the instructions on the site. They both start
up OK, and we can see from the logs that the slave attaches to the master. But, as soon as
the first connection is made to the master, the slave dies. When the client attempts to failover,
the slave can't accept the connection of course, and everything fails.

The master log looks like:

INFO  DefaultDatabaseLocker          - Attempting to acquire the exclusive lock to become
the Master broker
INFO  DefaultDatabaseLocker          - Becoming the master on dataSource: org.postgresql.ds.PGPoolingDataSource@724f31
INFO  JournalPersistenceAdapter      - Journal Recovery Started from: Active Journal: using
5 x 20.0 Megs at: /Users/wblackburn/activemq-4.1.0-master/activemq-data/journal
INFO  JournalPersistenceAdapter      - Journal Recovered: 0 message(s) in transactions recovered.
INFO  TransportServerThreadSupport   - Listening for connections at: tcp://fastgt.local:61617
INFO  TransportConnector             - Connector openwire Started
INFO  BrokerService                  - ActiveMQ JMS Message Broker (localhost, ID:fastgt.local-50799-1166058345810-1:0)
started
INFO  TransportConnection            - Slave Broker localhost is attached
ERROR MasterBroker                   - Slave Failed
java.lang.AssertionError: Unsupported Method
        at org.apache.activemq.transport.TransportSupport.request(TransportSupport.java:71)
        at org.apache.activemq.transport.TransportFilter.request(TransportFilter.java:88)
        at org.apache.activemq.transport.TransportFilter.request(TransportFilter.java:88)
        at org.apache.activemq.transport.MutexTransport.request(MutexTransport.java:49)
        at org.apache.activemq.broker.ft.MasterBroker.sendSyncToSlave(MasterBroker.java:363)
        at org.apache.activemq.broker.ft.MasterBroker.sendToSlave(MasterBroker.java:345)
        at org.apache.activemq.broker.ft.MasterBroker.acknowledge(MasterBroker.java:320)
        at org.apache.activemq.broker.MutableBrokerFilter.acknowledge(MutableBrokerFilter.java:88)
        at org.apache.activemq.broker.TransportConnection.processMessageAck(TransportConnection.java:488)
        at org.apache.activemq.command.MessageAck.visit(MessageAck.java:179)
        at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:284)
        at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:177)
        at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:65)
        at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:133)
        at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:122)
        at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:84)
        at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:137)
        at java.lang.Thread.run(Thread.java:613)
ERROR MasterBroker                   - Slave Failed

master config is:

<beans>

  <!-- Allows us to use system properties as variables in this configuration file -->
  <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>

  <broker brokerName="localhost" useJmx="true" xmlns="http://activemq.org/config/1.0">

    <persistenceAdapter>
        <journaledJDBC journalLogFiles="5" dataDirectory="${activemq.base}/activemq-data"
dataSource="#postgres-ds"/>
    </persistenceAdapter>

    <transportConnectors>
       <transportConnector name="openwire" uri="tcp://localhost:61617"/>
    </transportConnectors>

  </broker>

  <!--  This xbean configuration file supports all the standard spring xml configuration
options -->

  <!-- Postgres DataSource Sample Setup -->
    <bean id="postgres-ds" class="org.postgresql.ds.PGPoolingDataSource">
        <property name="serverName" value="localhost"/>
        <property name="databaseName" value="activemq"/>
        <property name="portNumber" value="0"/>
        <property name="user" value="activemq"/>
        <property name="password" value="activemq"/>
        <property name="dataSourceName" value="postgres"/>
        <property name="initialConnections" value="1"/>
        <property name="maxConnections" value="10"/>
    </bean>

</beans>



The slave log looks like:

INFO  DefaultDatabaseLocker          - Attempting to acquire the exclusive lock to become
the Master broker
INFO  DefaultDatabaseLocker          - Becoming the master on dataSource: org.postgresql.ds.PGPoolingDataSource@bcd14a
INFO  JournalPersistenceAdapter      - Journal Recovery Started from: Active Journal: using
5 x 20.0 Megs at: /Users/wblackburn/activemq-4.1.0-slave/activemq-data/journal
INFO  JournalPersistenceAdapter      - Journal Recovered: 0 message(s) in transactions recovered.
INFO  TransportServerThreadSupport   - Listening for connections at: tcp://fastgt.local:61618
INFO  TransportConnector             - Connector openwire Started
INFO  TransportConnector             - Connector vm://localhost Started
INFO  MasterConnector                - Starting a network connection between vm://localhost#0
and tcp://null:0 has been established.
INFO  BrokerService                  - ActiveMQ JMS Message Broker (localhost, ID:fastgt.local-50808-1166058365982-2:0)
started
INFO  MasterConnector                - Slave connection between vm://localhost#0 and tcp://localhost/127.0.0.1:61617
has been established.

Slave config is:

<beans>

  <!-- Allows us to use system properties as variables in this configuration file -->
  <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>

  <broker brokerName="localhost" useJmx="true" xmlns="http://activemq.org/config/1.0" masterConnectorURI="tcp://localhost:61617"
shutdownOnMasterFailure="false">

    <persistenceAdapter>
        <journaledJDBC journalLogFiles="5" dataDirectory="${activemq.base}/activemq-data"
dataSource="#postgres-ds"/>
    </persistenceAdapter>

    <transportConnectors>
       <transportConnector name="openwire" uri="tcp://localhost:61618"/>
    </transportConnectors>

  </broker>

  <!--  This xbean configuration file supports all the standard spring xml configuration
options -->

<!-- Postgres DataSource Sample Setup -->
    <bean id="postgres-ds" class="org.postgresql.ds.PGPoolingDataSource">
        <property name="serverName" value="localhost"/>
        <property name="databaseName" value="amqslave"/>
        <property name="portNumber" value="0"/>
        <property name="user" value="activemq"/>
        <property name="password" value="activemq"/>
        <property name="dataSourceName" value="postgres"/>
        <property name="initialConnections" value="1"/>
        <property name="maxConnections" value="10"/>
    </bean>

</beans>


> Slave Fail Error when Receiving message on a MasterSlave configuration
> ----------------------------------------------------------------------
>
>                 Key: AMQ-1079
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1079
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 4.2.0
>         Environment: Windows XP, jdk1.5
>            Reporter: Marlon Santos
>             Fix For: 4.2.0
>
>         Attachments: ConsumerTool.java, MasterSlave.java, ProducerTool.java
>
>
> A slave fail error is caught while receiving message from master broker on a master slave
configuration.
> I included the java files that I used. Running this through xbean/xml config also produces
the same error.
> SEVERE: Slave Failed
> java.lang.AssertionError: Unsupported Method
> 	at org.apache.activemq.transport.TransportSupport.request(TransportSupport.java:71)
> 	at org.apache.activemq.transport.TransportFilter.request(TransportFilter.java:88)
> 	at org.apache.activemq.transport.TransportFilter.request(TransportFilter.java:88)
> 	at org.apache.activemq.transport.MutexTransport.request(MutexTransport.java:49)
> 	at org.apache.activemq.broker.ft.MasterBroker.sendSyncToSlave(MasterBroker.java:363)
> 	at org.apache.activemq.broker.ft.MasterBroker.sendToSlave(MasterBroker.java:345)
> 	at org.apache.activemq.broker.ft.MasterBroker.acknowledge(MasterBroker.java:320)
> 	at org.apache.activemq.broker.MutableBrokerFilter.acknowledge(MutableBrokerFilter.java:88)
> 	at org.apache.activemq.broker.TransportConnection.processMessageAck(TransportConnection.java:491)
> 	at org.apache.activemq.command.MessageAck.visit(MessageAck.java:179)
> 	at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:287)
> 	at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:178)
> 	at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:65)
> 	at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:133)
> 	at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:122)
> 	at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:84)
> 	at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:137)
> 	at java.lang.Thread.run(Thread.java:595)

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