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    <p>You are confusing root web <a href="https://stackoverflow.com/questions/3652090/difference-between-applicationcontext-and-spring-servlet-xml-in-spring">application context with Servlet context</a>. Your DAO classes and Services belong to the root application context and should be declared there(the same goes to the transaction manager).</p> <p><code>&lt;tx:annotation-driven/&gt;</code> in your case is declared in the root application context, and it can't modify beans in the servlet context to create transaction proxies with AOP.</p> <p>If you use autoscanning, you should consider putting your classes to the respective java packages and configure <code>&lt;context:component-scan&gt;</code> to use more specific filters, like it's described <a href="https://stackoverflow.com/questions/5269450/multiple-packages-in-contextcomponent-scan-spring-config">here</a>. </p> <p><strike><strong>update</strong>:it seems that <code>&lt;component:scan</code> is fine - it's likely the missing transaction manager in the root context. </strike></p> <p><strong>update 2</strong>: to avoid the creation of the DAO bean in the servlet context you need either</p> <ul> <li>to add <code>use-default-filters="false"</code> to your <code>&lt;context:component-scan&gt;</code> in the servlet spring config or </li> <li>to move your controllers to a more specific base package and change <code>&lt;context:component-scan&gt;</code> in the servlet spring config to reflect the changes.</li> </ul> <p><strong>update 3</strong> to resolve the dependency on repository, you should add <code>repository</code> package to auto scan in the root context.</p> <p>p.s. also don't forget that package names in java should <a href="http://docs.oracle.com/javase/tutorial/java/package/namingpkgs.html" rel="nofollow noreferrer">conform to convention</a> </p>
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    1. COI add <tx:annotation-driven transaction-manager="transactionManager"/> in my dispatcher-servlet and it works Should i rather put it in my application-context ? Thanks for your help
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    2. CO@user1826886 That means that you DAO bean is being instantiated in the Servlet context by mistake.
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    3. CO@user1826886 I've updated the answer, DAO is instantiated in Servlet context because of `<component:scan>` without `use-default-filters="false"`
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