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From JS75 <jean...@aboveE.com>
Subject Exception : factory:java.io.IOException
Date Fri, 01 Feb 2008 03:16:47 GMT

Dear All:
Now I need to implement two requirements with MQ4.1.
1. Start my embedded broker with cofig.xml file.
2. Use MS SQL Server instead of default derby.

And here is my activeMQ.xml (I put it in C disk)
<!--
    Licensed to the Apache Software Foundation (ASF) under one or more
    contributor license agreements.  See the NOTICE file distributed with
    this work for additional information regarding copyright ownership.
    The ASF licenses this file to You under the Apache License, Version 2.0
    (the "License"); you may not use this file except in compliance with
    the License.  You may obtain a copy of the License at
   
    http://www.apache.org/licenses/LICENSE-2.0
   
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-->
<!-- START SNIPPET: example -->
<beans
  xmlns="http://www.springframework.org/schema/beans"
  xmlns:amq="http://activemq.org/config/1.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
  http://activemq.org/config/1.0
http://activemq.apache.org/schema/activemq-core.xsd
  http://activemq.apache.org/camel/schema/spring
http://activemq.apache.org/camel/schema/spring/camel-spring.xsd">

  <!-- Allows us to use system properties as variables in this configuration
file -->
  <bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
  
  <broker xmlns="http://activemq.org/config/1.0" brokerName="localhost"
dataDirectory="C://data">
  
    <!-- Destination specific policies using destination names or wildcards
-->
    <destinationPolicy>
      <policyMap>
        <policyEntries>

          <policyEntry topic="FOO.>" producerFlowControl="false"
memoryLimit="1mb">
            <dispatchPolicy>
              <strictOrderDispatchPolicy/>
            </dispatchPolicy>
            <subscriptionRecoveryPolicy>
              <lastImageSubscriptionRecoveryPolicy/>
            </subscriptionRecoveryPolicy>
          </policyEntry>

        </policyEntries>
      </policyMap>
    </destinationPolicy>


    <!-- The transport connectors ActiveMQ will listen to -->
    <transportConnectors>
       <transportConnector name="openwire" uri="tcp://localhost:61616"
discoveryUri="multicast://default"/>
       <transportConnector name="ssl"     uri="ssl://localhost:61617"/>
       <transportConnector name="stomp"   uri="stomp://localhost:61613"/>
       <transportConnector name="xmpp"    uri="xmpp://localhost:61222"/>
    </transportConnectors>

    <!-- The store and forward broker networks ActiveMQ will listen to -->
    <networkConnectors>
      <!-- by default just auto discover the other brokers -->
      <networkConnector name="default-nc" uri="multicast://default"/>
      <!--
      <networkConnector name="host1 and host2"
uri="static://(tcp://host1:61616,tcp://host2:61616)"/>
      -->
    </networkConnectors>


    <!-- Use the following if you wish to configure the journal with JDBC
-->
    <!--
    <persistenceAdapter>
        <journaledJDBC journalLogFiles="5"
dataDirectory="${activemq.base}/activemq-data"  dataSource="#postgres-ds"/>
    </persistenceAdapter>
    -->

    <!-- Or if you want to use pure JDBC without a journal -->
    
    <persistenceAdapter>
        <jdbcPersistenceAdapter dataSource="#mssql-ds"/>
    </persistenceAdapter>
   
   
    <!--  Use the following to set the broker memory limit
	<systemUsage>
	            <systemUsage>
		            <memoryUsage>
	    	            	<memoryUsage limit="10 mb" percentUsageMinDelta="20"/>
		            </memoryUsage>
		            <tempUsage>
	    	            	<tempUsage limit="100 mb"/>
		            </tempUsage>
		            <storeUsage>
	    	            	<storeUsage limit="1 gb" name="foo"/>
		            </storeUsage>
	            </systemUsage>
	    </systemUsage>
   -->
    
    <!-- Use the following to configure how ActiveMQ is exposed in JMX
    <managementContext>
       <managementContext connectorPort="1099"
jmxDomainName="org.apache.activemq"/>
    </managementContext>
    -->

  </broker>

  <!--
    ** Lets deploy some Enterprise Integration Patterns inside the ActiveMQ
Message Broker
    ** For more details see
    **
    ** http://activemq.apache.org/enterprise-integration-patterns.html
    -->
  <camelContext id="camel"
xmlns="http://activemq.apache.org/camel/schema/spring">

    <!-- You can use a <package> element for each root package to search for
Java routes -->
    <package>org.foo.bar</package>

    <!-- You can use Spring XML syntax to define the routes here using the
<route> element -->
    <route>
      <from uri="activemq:example.A"/>
      <to uri="activemq:example.B"/>
    </route>
  </camelContext>



  <!-- lets create a command agent to respond to message based admin
commands on the ActiveMQ.Agent topic -->
  <commandAgent xmlns="http://activemq.org/config/1.0"/>


  <!-- An embedded servlet engine for serving up the Admin console -->
  <jetty xmlns="http://mortbay.com/schemas/jetty/1.0">
    <connectors>
      <nioConnector port="8161" />
    </connectors>

    <handlers>
      <webAppContext contextPath="/admin"
resourceBase="${activemq.base}/webapps/admin" logUrlOnStart="true" />
      <webAppContext contextPath="/demo"
resourceBase="${activemq.base}/webapps/demo" logUrlOnStart="true" />
    </handlers>
  </jetty>
 

<!-- MSSQL DataSource Sample Setup --> 

  <bean id="mssql-ds" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close"> 
    <property name="driverClassName"
value="com.microsoft.sqlserver.jdbc.SQLServerDriver"/> 
    <property name="url" value="jdbc:sqlserver://mySQLDB:1433"/> 
    <property name="username" value="admin"/> 
    <property name="password" value="admin"/>
    <property name="databaseName" value="test"/>
    <property name="createDatabase" value="create"/> 
  </bean>

</beans>
<!-- END SNIPPET: example -->

And I start my embedded broker as :
broker = BrokerFactory.createBroker(new URI("file:C://activeMQ.xml"));

Strangely, I got exception below, but my application works successfully?!
(default broker setting?)

java.io.IOException: Could load file factory:java.io.IOException: Could not
find factory class for resource:
META-INF/services/org/apache/activemq/broker/file
	at
org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:25)
	at
org.apache.activemq.broker.BrokerFactory.createBrokerFactoryHandler(BrokerFactory.java:43)
	at
org.apache.activemq.broker.BrokerFactory.createBroker(BrokerFactory.java:56)
	at com.aboveE.powerProcess.util.MQHelper.startBroker(MQHelper.java:65)
	at com.aboveE.powerProcess.event.queue.TestMain.<init>(TestMain.java:25)
	at com.aboveE.powerProcess.event.queue.TestMain.main(TestMain.java:54)
Caused by: java.io.IOException: Could not find factory class for resource:
META-INF/services/org/apache/activemq/broker/file
	at
org.apache.activemq.util.FactoryFinder.doFindFactoryProperies(FactoryFinder.java:90)
	at
org.apache.activemq.util.FactoryFinder.newInstance(FactoryFinder.java:58)
	at
org.apache.activemq.util.FactoryFinder.newInstance(FactoryFinder.java:47)
	at
org.apache.activemq.broker.BrokerFactory.createBrokerFactoryHandler(BrokerFactory.java:41)
	... 4 more

Have I forgotten any tag in configure xml or lib into my application ?

There is another main factor about performance and persisitency.
FAQ replies that changing db may reduce performance, however, could I do
something in case to maintain the performance? (Just as the same as derby,
possible?)

Thank you all~:-)

Sincerely,
Jean
-- 
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