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	<title>O!Hacker Blog &#187; jpa</title>
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		<title>EJB3 persistence.xml 详解</title>
		<link>http://ohacker.com/2010/01/31/ejb3-persistence-xml-spec/</link>
		<comments>http://ohacker.com/2010/01/31/ejb3-persistence-xml-spec/#comments</comments>
		<pubDate>Sun, 31 Jan 2010 14:09:42 +0000</pubDate>
		<dc:creator>Tony</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[EJB3]]></category>
		<category><![CDATA[jpa]]></category>

		<guid isPermaLink="false">http://ohacker.com/?p=214</guid>
		<description><![CDATA[首先明确一点，persistence.xml应该放在classpath中META-INF目录下. &#60;?xml version=&#34;1.0&#34;?&#62; &#60;persistence&#62; &#60;!--此xml文件可以包含多个persistence-unit，--&#62; &#60;!--这个节点定义的内容，正是Annotation @persistenceContext 所引用的，--&#62; &#60;!--也就是EntityManager所读取的 --&#62; &#60;persistence-unit name=&#34;simple&#34;&#62; &#60;!--可选:事务处理方式(JTA/RESOUREC_LOCAL)--&#62; &#60;transaction-type&#62;JTA&#60;/transaction&#62; &#60;!--可选--&#62; &#60;jta-data-source&#62;java:/MySQLDS&#60;/jta-data-source&#62; &#60;!--可选:如果你的ENTITY类都打成jar包了，可以以这种方式引进项目--&#62; &#60;jar-file&#62;../lib/entities.jar&#60;/jar-file&#62; &#60;!--定义了persistence provide 厂商提供的特有属性--&#62; &#60;properties&#62; &#60;property name=&#34;org.hibernate.hbm2ddl&#34;&#62;update&#60;/property&#62; &#60;/properties&#62; &#60;/persistence-unit&#62; &#60;/persistence&#62; 同事，如果你不喜欢用Annotation的方式处理ORM，还可以在MATE-INF的包里提供一个ORM.xml文件，加以处理 相关日志不负责任书评（Java 篇,第一部）URL Rewrite Filter 小例子(http to https)Resin中配置URL重写mvn无法安装jpa(jta)的解决办法 Jta1.0.1B no mavenJava 数字浮点型与chat之间的转化（int or float convert into chart）Java 数字浮点型与chat之间的转化（int or float convert into char）mvn无法安装jpa(jta)的解决办法 Jta1.0.1B no maven]]></description>
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		<title>mvn无法安装jpa(jta)的解决办法 Jta1.0.1B no maven</title>
		<link>http://ohacker.com/2009/07/28/mvn%e6%97%a0%e6%b3%95%e5%ae%89%e8%a3%85jpajta%e7%9a%84%e8%a7%a3%e5%86%b3%e5%8a%9e%e6%b3%95-jta1-0-1b-no-maven/</link>
		<comments>http://ohacker.com/2009/07/28/mvn%e6%97%a0%e6%b3%95%e5%ae%89%e8%a3%85jpajta%e7%9a%84%e8%a7%a3%e5%86%b3%e5%8a%9e%e6%b3%95-jta1-0-1b-no-maven/#comments</comments>
		<pubDate>Tue, 28 Jul 2009 16:52:05 +0000</pubDate>
		<dc:creator>Tony</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[jpa]]></category>
		<category><![CDATA[maven]]></category>

		<guid isPermaLink="false">http://localhost/blog/?p=20</guid>
		<description><![CDATA[先去http://java.sun.com/javaee/technologies/jta/index.jsp手动下载classes文件。 之后放到本地的一个本件家中。 运行mvn install:install-file -Dfile=./jta-1_0_1B-classes.zip -DgroupId=javax.transaction -DartifactId=jta -Dversion=1.0.1B -Dpackaging=jar 之后再在项目中运行mvn install ok、 相关日志mvn无法安装jpa(jta)的解决办法 Jta1.0.1B no mavenEJB3 persistence.xml 详解]]></description>
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		<title>mvn无法安装jpa(jta)的解决办法 Jta1.0.1B no maven</title>
		<link>http://ohacker.com/2009/05/02/mvn-pajta-jta1-0-1b-no-maven-2/</link>
		<comments>http://ohacker.com/2009/05/02/mvn-pajta-jta1-0-1b-no-maven-2/#comments</comments>
		<pubDate>Sun, 03 May 2009 02:49:00 +0000</pubDate>
		<dc:creator>Tony</dc:creator>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[jpa]]></category>
		<category><![CDATA[maven]]></category>

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		<description><![CDATA[先去http://java.sun.com/javaee/technologies/jta/index.jsp手动下载classes文件。之后放到本地的一个本件家中。运行mvn install:install-file -Dfile=./jta-1_0_1B-classes.zip -DgroupId=javax.transaction -DartifactId=jta -Dversion=1.0.1B -Dpackaging=jar之后再在项目中运行mvn installok、 相关日志mvn无法安装jpa(jta)的解决办法 Jta1.0.1B no mavenEJB3 persistence.xml 详解]]></description>
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