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From ttmdev <joe.fernan...@ttmsolutions.com>
Subject Re: Exception : factory:java.io.IOException
Date Mon, 04 Feb 2008 20:09:02 GMT

Can't help you re the exception you're getting. However, I do suggest that if
you do not require the jetty servlet engine, that you comment it out of your
embedded broker's xml cfg file. Not running the servlet engine really cuts
down on the overall total number of threads created by the jvm and also
helps cut down on memory usage. Also comment out the command agent and camel
context if those are also not required.  - Joe



JS75 wrote:
> 
> 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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