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     Apache ActiveMQ &#8482; -- java.io.IOException Failed to create database 'derbydb', see the next exception for details
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 <div class="wiki-content maincontent"><p>If you get an error like this</p>

 <div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
 <pre class="brush: java; gutter: false; theme: Default" style="font-size:12px;">
 Jun 19, 2006 10:35:27 PM org.apache.activemq.broker.BrokerService getBroker
 INFO: ActiveMQ 4.0 JMS Message Broker (localhost) is starting
 Jun 19, 2006 10:35:27 PM org.apache.activemq.broker.BrokerService getBroker
 INFO: For help or more information please see:
 http://incubator.apache.org/activemq/
 java.io.IOException: Failed to create database 'derbydb', see the next
 exception for details.
        at
 org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:42)
        at
 org.apache.activemq.store.jdbc.TransactionContext.getConnection(TransactionContext.java:58)
        at
 org.apache.activemq.store.jdbc.JDBCPersistenceAdapter.createAdapter(JDBCPersistenceAdapter.java:229)
        at
 org.apache.activemq.store.jdbc.JDBCPersistenceAdapter.getAdapter(JDBCPersistenceAdapter.java:213)
        at
 org.apache.activemq.store.jdbc.JDBCPersistenceAdapter.start(JDBCPersistenceAdapter.java:139)
        at
 org.apache.activemq.store.journal.JournalPersistenceAdapter.start(JournalPersistenceAdapter.java:215)
        at
 org.apache.activemq.broker.BrokerService.createRegionBroker(BrokerService.java:930)
        at
 org.apache.activemq.broker.BrokerService.createBroker(BrokerService.java:888)
        at
 org.apache.activemq.broker.BrokerService.getBroker(BrokerService.java:458)
        at
 org.apache.activemq.broker.BrokerService.addConnector(BrokerService.java:143)
        at
 org.apache.activemq.broker.BrokerService.addConnector(BrokerService.java:133)
        at
 com.ic.ntn.message.HelloWorld$HelloWorldBroker.run(HelloWorld.java:92)
        at java.lang.Thread.run(Thread.java:595)
 Caused by: SQL Exception: Failed to create database 'derbydb', see the next
 exception for details.
        at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown
 Source)
        at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown
 Source)
        at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown
 Source)
        at
 org.apache.derby.impl.jdbc.EmbedConnection.newSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection.createDatabase(Unknown
 Source)
        at org.apache.derby.impl.jdbc.EmbedConnection.&lt;init&gt;(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection30.&lt;init&gt;(Unknown
 Source)
        at org.apache.derby.jdbc.Driver30.getNewEmbedConnection(Unknown
 Source)
        at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
        at org.apache.derby.jdbc.EmbeddedDataSource.getConnection(Unknown
 Source)
        at org.apache.derby.jdbc.EmbeddedDataSource.getConnection(Unknown
 Source)
        at
 org.apache.activemq.store.jdbc.TransactionContext.getConnection(TransactionContext.java:54)
        ... 11 more

 </pre>
 </div></div>

 <p>Then the error is probably that the JDBC driver (Apache Derby by default) could not write to the persistent file area.</p>

 <h3 id="java.io.IOExceptionFailedtocreatedatabase'derbydb',seethenextexceptionfordetails-Workaround">Workaround</h3>

 <p>Create a directory for the broker to write its files. e.g. in Java code call <a shape="rect" class="external-link" href="http://incubator.apache.org/activemq/maven/activemq-core/apidocs/org/apache/activemq/broker/BrokerService.html#setDataDirectory(java.io.File)">setDataDirectory</a></p>

 <div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
 <pre class="brush: java; gutter: false; theme: Default" style="font-size:12px;">
 File dir = new File("foo");
 dir.mkdir();
 broker.setDataDirectory(dir);
 </pre>
 </div></div>

 <p>or in XML use</p>

 <div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
 <pre class="brush: java; gutter: false; theme: Default" style="font-size:12px;">
 &lt;broker dataDirectory="foo"&gt;...
 </pre>
 </div></div>

 <h3 id="java.io.IOExceptionFailedtocreatedatabase'derbydb',seethenextexceptionfordetails-See">See</h3>

 <ul><li><a shape="rect" href="how-do-i-embed-a-broker-inside-a-connection.html">How do I embed a Broker inside a Connection</a></li></ul></div>
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	<div class="wiki-content maincontent"><p>If you get an error like this</p>

	<div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
	<pre class="brush: java; gutter: false; theme: Default" style="font-size:12px;">
	Jun 19, 2006 10:35:27 PM org.apache.activemq.broker.BrokerService getBroker
	INFO: ActiveMQ 4.0 JMS Message Broker (localhost) is starting
	Jun 19, 2006 10:35:27 PM org.apache.activemq.broker.BrokerService getBroker
	INFO: For help or more information please see:
	http://incubator.apache.org/activemq/
	java.io.IOException: Failed to create database 'derbydb', see the next
	exception for details.
	at
	org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:42)
	at
	org.apache.activemq.store.jdbc.TransactionContext.getConnection(TransactionContext.java:58)
	at
	org.apache.activemq.store.jdbc.JDBCPersistenceAdapter.createAdapter(JDBCPersistenceAdapter.java:229)
	at
	org.apache.activemq.store.jdbc.JDBCPersistenceAdapter.getAdapter(JDBCPersistenceAdapter.java:213)
	at
	org.apache.activemq.store.jdbc.JDBCPersistenceAdapter.start(JDBCPersistenceAdapter.java:139)
	at
	org.apache.activemq.store.journal.JournalPersistenceAdapter.start(JournalPersistenceAdapter.java:215)
	at
	org.apache.activemq.broker.BrokerService.createRegionBroker(BrokerService.java:930)
	at
	org.apache.activemq.broker.BrokerService.createBroker(BrokerService.java:888)
	at
	org.apache.activemq.broker.BrokerService.getBroker(BrokerService.java:458)
	at
	org.apache.activemq.broker.BrokerService.addConnector(BrokerService.java:143)
	at
	org.apache.activemq.broker.BrokerService.addConnector(BrokerService.java:133)
	at
	com.ic.ntn.message.HelloWorld$HelloWorldBroker.run(HelloWorld.java:92)
	at java.lang.Thread.run(Thread.java:595)
	Caused by: SQL Exception: Failed to create database 'derbydb', see the next
	exception for details.
	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown
	Source)
	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown
	Source)
	at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown
	Source)
	at
	org.apache.derby.impl.jdbc.EmbedConnection.newSQLException(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.createDatabase(Unknown
	Source)
	at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
	at org.apache.derby.impl.jdbc.EmbedConnection30.<init>(Unknown
	Source)
	at org.apache.derby.jdbc.Driver30.getNewEmbedConnection(Unknown
	Source)
	at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
	at org.apache.derby.jdbc.EmbeddedDataSource.getConnection(Unknown
	Source)
	at org.apache.derby.jdbc.EmbeddedDataSource.getConnection(Unknown
	Source)
	at
	org.apache.activemq.store.jdbc.TransactionContext.getConnection(TransactionContext.java:54)
	... 11 more

	</pre>
	</div></div>

	<p>Then the error is probably that the JDBC driver (Apache Derby by default) could not write to the persistent file area.</p>

	<h3 id="java.io.IOExceptionFailedtocreatedatabase'derbydb',seethenextexceptionfordetails-Workaround">Workaround</h3>

	<p>Create a directory for the broker to write its files. e.g. in Java code call <a shape="rect" class="external-link" href="http://incubator.apache.org/activemq/maven/activemq-core/apidocs/org/apache/activemq/broker/BrokerService.html#setDataDirectory(java.io.File)">setDataDirectory</a></p>

	<div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
	<pre class="brush: java; gutter: false; theme: Default" style="font-size:12px;">
	File dir = new File("foo");
	dir.mkdir();
	broker.setDataDirectory(dir);
	</pre>
	</div></div>

	<p>or in XML use</p>

	<div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
	<pre class="brush: java; gutter: false; theme: Default" style="font-size:12px;">
	<broker dataDirectory="foo">...
	</pre>
	</div></div>

	<h3 id="java.io.IOExceptionFailedtocreatedatabase'derbydb',seethenextexceptionfordetails-See">See</h3>

	<ul><li><a shape="rect" href="how-do-i-embed-a-broker-inside-a-connection.html">How do I embed a Broker inside a Connection</a></li></ul></div>
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