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https://issues.apache.org/jira/browse/OPENJPA-1887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12979804#action_12979804
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Rick Curtis commented on OPENJPA-1887:
--------------------------------------
Wendy -
As I mentioned before, I found that the eclipse enhancer isn't working[1] as
advertised. I'd suggest using the maven plugin, or use the ant based
enhancer[2].
[1] https://issues.apache.org/jira/browse/OPENJPA-1879
[2] http://openjpa.apache.org/entity-enhancement.html (@See Build Time
Enhancement)
Thanks,
Rick
> eclipse bytecode enhancer ignoring annotations
> ----------------------------------------------
>
> Key: OPENJPA-1887
> URL: https://issues.apache.org/jira/browse/OPENJPA-1887
> Project: OpenJPA
> Issue Type: Bug
> Components: Enhance
> Affects Versions: 1.2.2, 2.0.1
> Environment: windows xp, eclipse 3.5 bytecode enhance OpenJPA Eclipse
> Feature 1.0.0.201001181728
> OpenJPA 1.2.2
> Reporter: wendy gibbons
>
> This is long and very detailed as it is the result of a discussion on
> http://openjpa.208410.n2.nabble.com/beans-Enitiy-annotation-and-bytcode-enhancement-td5380244.html#a5744274
> when i use the eclipse bytecode enhancer the annotation
> @Entity(name="testTable") is ignored and all youhave available if the class
> name
> BEAN:
> @Entity(name="testTable")
> @Table(name = "cocktails")
> public class TestBean implements IBean{
> Integer id;
> String data1;
>
> @Id
> @GeneratedValue(strategy = GenerationType.IDENTITY)
> @Column(name = "id", unique = true, nullable = false)
> public Integer getId() {
> return id;
> }
>
> public void setId(Integer id_) {
> id = id_;
> }
>
> @Column(name="name")
> public String getData1() {
> return data1;
> }
>
> public void setData1(String data1_) {
> data1 = data1_;
> }
> }
> DAO:
> public class TestDAO extends BaseDAO<TestBean> {
> @Override
> public List<TestBean> findAll() {
> return findAll("testTable");
> }
> }
> main:
> public static void main(String[] args) {
> TestDAO dao = new TestDAO();
> List<TestBean> findAll = dao.findAll();
> for (TestBean testBean : findAll) {
> System.out.println(testBean.getData1());
> }
>
> }
> persistence.xml:
> <persistence-unit name="TestPU"
> transaction-type="RESOURCE_LOCAL">
> <provider>
> org.apache.openjpa.persistence.PersistenceProviderImpl
> </provider>
> <class>com.test.dao.Cocktail</class>
> <class>com.test.dao.TestBean</class>
> ...
> creating a main and selecting from TestBean (no enhancement) i get:
> 16-Nov-2010 15:42:03 com.test.dao.EntityManagerHelper log
> INFO: finding allTest
> 110 TestPU INFO [main] openjpa.Runtime - Starting OpenJPA 1.2.2
> 250 TestPU INFO [main] openjpa.jdbc.JDBC - Using dictionary class
> "org.apache.openjpa.jdbc.sql.MySQLDictionary".
> 781 TestPU INFO [main] openjpa.Enhance - Creating subclass for "[class
> com.test.dao.Cocktail, class com.test.dao.TestBean]". This means that your
> application will be less efficient and will consume more memory than it would
> if you ran the OpenJPA enhancer. Additionally, lazy loading will not be
> available for one-to-one and many-to-one persistent attributes in types using
> field access; they will be loaded eagerly instead.
> 1594 TestPU TRACE [main] openjpa.jdbc.SQL - <t 31212095, conn 25254907>
> executing prepstmnt 21465667 SELECT t0.id, t0.name, t0.activeYN FROM
> cocktails t0 ORDER BY t0.id ASC
> 1610 TestPU TRACE [main] openjpa.jdbc.SQL - <t 31212095, conn 25254907>
> [16 ms] spent
> running using the runtime enhancer: (putting
> -javaagent:C:\JavaProjects\OpenJpaTest\WebContent\WEB-INF\lib\openjpa-1.2.2.jar
> in the run configuration arguments)
> 16-Nov-2010 15:44:11 com.test.dao.EntityManagerHelper log
> INFO: finding allTest
> 141 TestPU INFO [main] openjpa.Runtime - Starting OpenJPA 1.2.2
> 235 TestPU INFO [main] openjpa.jdbc.JDBC - Using dictionary class
> "org.apache.openjpa.jdbc.sql.MySQLDictionary".
> 1829 TestPU TRACE [main] openjpa.jdbc.SQL - <t 3841429, conn 4176892>
> executing prepstmnt 30702379 SELECT t0.id, t0.name, t0.activeYN FROM
> cocktails t0 ORDER BY t0.id ASC
> 1860 TestPU TRACE [main] openjpa.jdbc.SQL - <t 3841429, conn 4176892> [31
> ms] spent
> And using the eclipse bytecode enhancer plugin:
> 16-Nov-2010 15:45:32 com.test.dao.EntityManagerHelper log
> INFO: finding allTest
> 109 TestPU INFO [main] openjpa.Runtime - Starting OpenJPA 1.2.2
> 250 TestPU INFO [main] openjpa.jdbc.JDBC - Using dictionary class
> "org.apache.openjpa.jdbc.sql.MySQLDictionary".
> 16-Nov-2010 15:45:33 com.test.dao.EntityManagerHelper log
> SEVERE: find all failed name failed
> <openjpa-1.2.2-r422266:898935 nonfatal user error>
> org.apache.openjpa.persistence.ArgumentException: An error occurred while
> parsing the query filter "select model from testTable model order by
> model.id". Error message: The name "testTable" is not a recognized entity or
> identifier. Perhaps you meant TestBean, which is a close match. Known entity
> names: [TestBean, Cocktail]
> at
> org.apache.openjpa.kernel.exps.AbstractExpressionBuilder.parseException(AbstractExpressionBuilder.java:118)
> .
> Trying now with the latest version of openjpa jar tested with openJPA 2.0.1,
> and this also fails
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