Caused by: java.lang.NoClassDefFoundError: Ljavax/transaction/TransactionManager;

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I read many posts about the error javax/transaction/TransactionManager, but none of those solutions fix my problem.

First thing to say is that I get that error when I deploy my web-application (made with Spring MVC and Hibernate) on the server. On my computer, with Eclipse and Tomcat 7 everything works.

Second thing to say is that on that server I have another web-application that's running under tomcat /root folder (this is a simple java application, that DOESN'T use neither Spring mvc nor Hibernate). The new application that i'm trying to deploy is running under another folder called /prova.

These are all the libraries of my application

Plus, according to what I read on some posts, I added to my lib folder:

1) jta-

2) hibernate3.3.1-jta-1.1.jar

3) javax.transaction.jar

In my xml file I have this bean that defines the transaction manager

<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
     <property name="sessionFactory" ref="sessionFactory" />

Something strange is that in the server log the exact error is

Caused by: java.lang.NoClassDefFoundError: Ljavax/transaction/TransactionManager;

There's a L before javax/transaction/TransactionManager

Any idea?

Thank you

Don't worry with the "L", it just defines that the following is an object. You can find other letters :

B     byte (signed byte)
C     char (Unicode character)
D     double (double-precision floating-point value)
F     float (single-precision floating-point value)
I     int (integer)
J     long (long integer)
L<classname>;     reference (an instance of class <classname>)
S     short (signed short)
Z     boolean (true or false)
[     reference (one array dimension )

To come back to your problem, did you define your transaction manager whith something close to this :

<bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager" p:sessionFactory-ref="sessionFactory">

HibernateTransactionManager is an implementation of javax.transaction.TransactionManager

java.lang.NoClassDefFoundError: javax/transaction , java.lang.NoClassDefFoundError: javax/transaction/TransactionManager. Recently while trying to migrate one of the application from JDK6 to� Solution. The javax.transaction.TransactionManager is a class inside the J2EE SDK library “javaee.jar“, you are missing this jar file in your project classpath.. 1. J2EE SDK

you must add this dependency It is work


java.lang.NoClassDefFoundError: javax/transaction , Dismiss Join GitHub today. GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together.

This worked for me


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where is spring-data jars? It looks like spring-data-commons. Please, spend some time to learn how to use maven or gradle. It will save a lot of your time.

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