Declare Your Resource Requirements Next, modify your web application deployment descriptor (/WEB-INF/web.xml) to declare the JNDI name under which you will request new instances of this bean. The code trying to instantiate an EntityManager instance is in a JAR file in the lib directory (part of a multi-project Maven build), but the persistence XML is in the main The JVM switches the running thread back to Thread 2 Request 2 Thread 2 tries to use the db connection but fails because Request 1 closed it. Shared resource configuration Use this option if you wish to define a datasource that is shared across multiple Tomcat applications, or if you just prefer defining your datasource in this file. have a peek at this web-site
Browse other questions tagged tomcat jpa jndi persistence.xml or ask your own question. If a resource has been defined using a
Have fun. The following libraries are used: Commons DBCP Commons Pool These libraries are located in a single JAR at $CATALINA_HOME/lib/tomcat-dbcp.jar. Bayes regression: how is it done in comparison to standard regression? Here is my persistence.xml:
This has to be done regardless of which configuration step you take next. 2. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Test code Now create a simple test.jsp page for use later. <%@ taglib uri="http://java.sun.com/jsp/jstl/sql" prefix="sql" %> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
Bought agency bond (FANNIE MAE 0% 04/08/2027), now what? Org.hibernate.engine.jndi.jndiexception: Unable To Lookup Jndi Name See the Servlet Specification for details. 3. java hibernate tomcat share|improve this question asked Nov 22 '13 at 1:12 vernjan 17618 Did you define any datasource in server.xml? –benjamin.d Nov 22 '13 at 1:14 1 Tomcat specific resource configuration is performed using the following elements in the
I have never defined any DS in server.xml. –vernjan Nov 22 '13 at 17:12 Someone posted a bug report here: hibernate.atlassian.net/browse/HHH-8818 –Björn Sandgren Dec 28 '13 at 21:41 Declare Your Resource Requirements Next, modify the web application deployment descriptor (/WEB-INF/web.xml) to declare the JNDI name under which you will look up preconfigured data source. Random Connection Closed Exceptions These can occur when one request gets a db connection from the connection pool and closes it twice. Action: Correct the string and re-submit." Change the database connect string (of the form host:port:SID) with this one: (description=(address=(host=myhost)(protocol=tcp)(port=1521))(connect_data=(sid=orcl))) Ed.
Default: no default set poolPreparedStatements - true or false: whether to pool PreparedStatements and CallableStatements. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Unable To Lookup Jndi Name Java /comp/env/jdbc/ When using a connection pool, closing the connection just returns it to the pool for reuse by another request, it doesn't close the connection. Unable To Lookup Jndi Name Jboss Preventing database connection pool leaks A database connection pool creates and manages a pool of connections to a database.
Configure Tomcat's Resource Factory To configure Tomcat's resource factory, add an element like this to the
The Anti-Santa: Dealing with the Naughty List What does the compression setting do to a PNG? The configuration properties for Tomcat's standard data source resource factory (org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory) are as follows: driverClassName - Fully qualified Java class name of the JDBC driver to be used. Would a society of simultaneous hermaphrodites have gender roles? http://globalcryptonews.com/unable-to/unable-to-begin-a-transaction-cannot-lookup-a-connection-datastage.html Default: not set connectionInitSqls - A list of SQL statements run once after a Connection is created.
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Took me about a day to figure out why my machine was working but my Ubuntu 12.04 boxes were not. –John S Jun 1 '12 at 17:57 add a comment| Your Can a typeface be designed to have characters depend on previous characters within a typed word? You will most likely need to modify older JNDI resource configurations to match the syntax in the example below in order to make them work in Tomcat 7.x.x. It has been reported that ignoring the driver you have downloaded from otn and using the classes12.zip file from the directory $ORAHOME\jdbc\lib will also work.
Thanks for any help. asked 2 years ago viewed 1376 times active 1 year ago Blog Stack Overflow Gives Back 2016 Developers, Webmasters, and Ninjas: What’s in a Job Title? Not the answer you're looking for? http://globalcryptonews.com/unable-to/flywayexception-unable-to-obtain-jdbc-connection-from-datasource.html JDBC Data Sources 0.