I'm not sure if the include tag accept more than 1 class. You have: <includes>**/entities/*.class,java.util.ArrayList.class</includes>
Try to remove java.util.ArrayList. El 19/11/2012 09:05, "Chris Wolf" <cwolf.a...@gmail.com> escribió: > José, > > Thanks - I sent the two entities to John (this list). The pom.xml is > attached... > > -Chris > > > > On Mon, Nov 19, 2012 at 9:54 AM, José Luis Cetina <maxtorz...@gmail.com> > wrote: > > Please send your 2 entities and your pom configuration whit the enhance > > plugin. > > El 19/11/2012 08:46, "Chris Wolf" <cwolf.a...@gmail.com> escribió: > > > >> José, > >> > >> I tried List/ArrayList - same error. Thanks.... > >> > >> -Chris > >> > >> On Sun, Nov 18, 2012 at 9:47 PM, José Luis Cetina <maxtorz...@gmail.com > > > >> wrote: > >> > Of course I'm using 1-M relationships but I use them with List not > >> hashset, > >> > why you dont give a try to list only for look if the problem is with > >> > hashset. > >> > El 18/11/2012 19:59, "Chris Wolf" <cwolf.a...@gmail.com> escribió: > >> > > >> >> José, > >> >> > >> >> Thanks for your reply. My pom.xml setup is very similar to yours and > >> >> the "enhance" goal runs without error, but, as I mentioned, > >> >> I still get the error on "casting java.util.HashSet". Are you able > >> >> to persist entities with 1-M or M-M relationships? > >> >> > >> >> BTW, I changed my code to temporarily change JPA provider from > OpenJPA > >> >> to the Hibernate JPA provider > >> >> and, once again, Hibernate's JPA reports: > >> >> > >> >> Exception in thread "main" java.lang.IllegalArgumentException: > Unknown > >> >> entity: java.util.HashSet > >> >> at > >> >> > >> > org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:671) > >> >> > >> >> Well, at least both JPA implementations are complaining about the > same > >> >> issue - I just wish I knew > >> >> what I was doing! I know I can get this to work in an instant by > >> >> reverting to Hibernate-only > >> >> solution, but I was hoping the byte-code weaving of JPA would be a > >> >> performance advantage over > >> >> Hibernate's reflection/proxy pattern. > >> >> > >> >> Thanks again, > >> >> > >> >> -Chris > >> >> > >> >> On Sun, Nov 18, 2012 at 1:26 PM, José Luis Cetina < > maxtorz...@gmail.com > >> > > >> >> wrote: > >> >> > I have this in my pom.xml for ENHANCMENT and works: > >> >> > > >> >> > <!--OPENJPA ENHANCMENT--> > >> >> > <plugin> > >> >> > <groupId>org.apache.openjpa</groupId> > >> >> > <artifactId>openjpa-maven-plugin</artifactId> > >> >> > <version>2.2.0</version> > >> >> > <configuration> > >> >> > <includes>mypackage/model/*.class</includes> > >> >> > > >> <addDefaultConstructor>true</addDefaultConstructor> > >> >> > > >> >> > <enforcePropertyRestrictions>true</enforcePropertyRestrictions> > >> >> > > >> >> > <connectionDriverName>com.mysql.jdbc.Driver</connectionDriverName> > >> >> > <connectionProperties> > >> >> > driverClass=${database.driver.name}, > >> >> > jdbcUrl=${database.connection.url}, > >> >> > user=${database.user}, > >> >> > password=${database.password}, > >> >> > minPoolSize=5, > >> >> > acquireRetryAttempts=3, > >> >> > maxPoolSize=20 > >> >> > </connectionProperties> > >> >> > </configuration> > >> >> > <executions> > >> >> > <execution> > >> >> > <id>enhancer</id> > >> >> > <phase>process-classes</phase> > >> >> > <goals> > >> >> > <goal>enhance</goal> > >> >> > </goals> > >> >> > </execution> > >> >> > </executions> > >> >> > <dependencies> > >> >> > <dependency> > >> >> > <groupId>org.apache.openjpa</groupId> > >> >> > <artifactId>openjpa</artifactId> > >> >> > <version>2.2.0</version> > >> >> > </dependency> > >> >> > </dependencies> > >> >> > </plugin> > >> >> > > >> >> > In my persistence.xml i have: > >> >> > > >> >> > <property name="openjpa.ConnectionUserName" > >> value="${db.username}"/> > >> >> > <property name="openjpa.ConnectionPassword" > >> >> value="${db.password}"/> > >> >> > <property name="openjpa.ConnectionURL" value="${db.url}"/> > >> >> > <property name="openjpa.ConnectionDriverName" > >> >> > value="${db.driver.class}"/> > >> >> > > >> >> > You can replace the database properties in persistence.xml with > your > >> own > >> >> > values > (${db.username},${db.password},${db.url},${db.driver.class}). > >> >> > > >> >> > > >> >> > I use this configuration for my JEE Projects. > >> >> > > >> >> > Maybe this can help you. > >> >> > > >> >> > Regards. > >> >> > > >> >> > SCJA. JL Cetina > >> >> > > >> >> > > >> >> > 2012/11/18 Chris Wolf <cwolf.a...@gmail.com> > >> >> > > >> >> >> I wrote a shell script to directly invoke PCEnhancer on class > >> >> >> java.util.HashSet, > >> >> >> and even that didn't work: > >> >> >> > >> >> >> $ ./enhance.sh > >> >> >> 52 openjpa INFO [main] openjpa.Tool - Enhancer running on type > >> >> >> "java.util.HashSet". > >> >> >> Exception in thread "main" java.lang.RuntimeException: > >> >> >> java.io.FileNotFoundExcep > >> >> >> tion: file:\C:\opt\jdk\jre\lib\rt.jar!\java\util\HashSet.class > (The > >> >> >> filename, directory name, or volume label syntax is incorrect) > >> >> >> at > >> >> >> > >> >> > >> > org.apache.openjpa.lib.conf.Configurations.launchRunnable(Configurations.java:744) > >> >> >> > >> >> >> On Sun, Nov 18, 2012 at 10:37 AM, Chris Wolf < > cwolf.a...@gmail.com> > >> >> wrote: > >> >> >> > Hello, > >> >> >> > > >> >> >> > This is my first posting and first attempt to use OpenJPA. I > put > >> >> >> > together a quick demo and can persist > >> >> >> > individual, unrelated entities. However, when I try to persist > >> >> >> > related entities to two tables via a link table, i.e. > many-2-many, > >> >> >> > it keeps complaining about "casting to PersistenceCapable", in > >> >> >> > particular the class "java.util.HashSet". > >> >> >> > > >> >> >> > First, I am using the Eclipse JPA plugin (called "Dali" or > >> >> >> > "EclipseLink"). Of course, I have OpenJPA configured > >> >> >> > as my JPA provider, I am in a plain Java SE environment with > >> >> >> > LOCAL_RESOURCE via JDBC connection > >> >> >> > properties in the persistence.xml. I am using Sun/Oracle 64bit > >> >> >> > JDK-1.6 and OpenJPA-2.2.0. > >> >> >> > > >> >> >> > I am using the Eclipse JPA plugin to generate the entity classes > >> from > >> >> >> > already-exiting database schema objects, > >> >> >> > and that code looks like (just pasting the relationship code), > this > >> >> >> > action also adds these classes to persistence.xml > >> >> >> > via persistence-unit/class elements. > >> >> >> > > >> >> >> > First M2M entity, "MarketData": > >> >> >> > > >> >> >> > //bi-directional many-to-many association to RiskFactor > >> >> >> > @ManyToMany(mappedBy="marketData") > >> >> >> > public Set<RiskFactor> getRiskFactors() { > >> >> >> > return this.riskFactors; > >> >> >> > } > >> >> >> > > >> >> >> > Second M2M entity "RiskFactor": > >> >> >> > > >> >> >> > //bi-directional many-to-many association to MarketData > >> >> >> > @ManyToMany > >> >> >> > @JoinTable( > >> >> >> > name="MARKET_DATA__RISK_FACTOR" > >> >> >> > , joinColumns={ > >> >> >> > @JoinColumn(name="RISK_FACTOR_ID", > >> >> >> nullable=false) > >> >> >> > } > >> >> >> > , inverseJoinColumns={ > >> >> >> > @JoinColumn(name="MARKET_DATA_ID", > >> >> >> nullable=false) > >> >> >> > } > >> >> >> > ) > >> >> >> > public Set<MarketData> getMarketData() { > >> >> >> > return this.marketData; > >> >> >> > } > >> >> >> > > >> >> >> > When I run the code, the log indicates implicit runtime > enhacement, > >> >> >> > yet it is complaining: > >> >> >> > > >> >> >> > "[persistdemo.ojpa.entities.RiskFactor@61578aab] > >> [java.util.HashSet]" > >> >> >> > to PersistenceCapable failed. Ensure that it has been > enhanced." > >> >> >> > > >> >> >> > ...when it says, "Ensure that it has been enhanced." - which is > >> "it" > >> >> >> > referring to? The entity "RiskFactor" or the field relationship > >> >> >> > field's class, "java.util.HashSet"? > >> >> >> > > >> >> >> > > >> >> >> > 186 openjpa INFO [main] openjpa.Runtime - OpenJPA > dynamically > >> >> >> > loaded the class enhancer. Any classes that were not enhanced at > >> build > >> >> >> > time will be enhanced when they are loaded by the JVM. > >> >> >> > SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". > >> >> >> > SLF4J: Defaulting to no-operation (NOP) logger implementation > >> >> >> > SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinderfor > >> >> >> > further details. > >> >> >> > 243 openjpa INFO [main] openjpa.Runtime - OpenJPA > dynamically > >> >> >> > loaded a validation provider. > >> >> >> > 596 openjpa INFO [main] openjpa.Runtime - Starting OpenJPA > >> 2.2.0 > >> >> >> > 630 openjpa INFO [main] openjpa.jdbc.JDBC - Using dictionary > >> class > >> >> >> > "org.apache.openjpa.jdbc.sql.OracleDictionary". > >> >> >> > Exception in thread "main" <openjpa-2.2.0-r422266:1244990 > nonfatal > >> >> >> > user error> org.apache.openjpa.persistence.ArgumentException: > >> Attempt > >> >> >> > to cast instance "[persistdemo.ojpa.entities.RiskFactor@61578aab > ] > >> >> >> > [java.util.HashSet]" to PersistenceCapable failed. Ensure that > it > >> has > >> >> >> > been enhanced. > >> >> >> > > >> >> >> > Maybe because "java.util.HashSet" was loaded before the dynamic > >> >> >> > enhancer could get to it? > >> >> >> > > >> >> >> > Next, I tried performing build-time enhancement via Maven, per > this > >> >> doc: > >> >> >> > http://openjpa.apache.org/enhancement-with-maven.html > >> >> >> > > >> >> >> > When I ran "mvn openjpa:enhance", it finished with success, but > >> none > >> >> >> > of the classes in target/classes seemed to have be changed > >> >> >> > (last-modified date same as compile-time). and re-running > results > >> in > >> >> >> > the same error and stack-trace. > >> >> >> > > >> >> >> > My openjpa:enhance configuration was: > >> >> >> > <configuration> > >> >> >> > <includes>**/entities/*.class,java.util.HashSet</includes> > >> >> >> > <addDefaultConstructor>true</addDefaultConstructor> > >> >> >> > > >> <enforcePropertyRestrictions>true</enforcePropertyRestrictions> > >> >> >> > </configuration> > >> >> >> > > >> >> >> > > >> >> >> > Next, I tried invoking with: > >> >> >> > > >> >> >> > -javaagent:/opt/apache-openjpa-2.2.0/openjpa-all-2.2.0.jar > >> >> >> > > >> >> >> > Same error - same stack trace. > >> >> >> > > >> >> >> > Then, I tried setting this property: > >> >> >> > openjpa.RuntimeUnenhancedClasses=supported > >> >> >> > > >> >> >> > Same error - same stack trace. > >> >> >> > > >> >> >> > > >> >> >> > Then, following a suggestion I found here: > >> >> >> > > >> >> >> > >> >> > >> > http://openjpa.208410.n2.nabble.com/JPA-adding-entities-to-EntityManagerFactory-programmatically-td210697.html > >> >> >> > > >> >> >> > I tried setting both: > >> >> >> > openjpa.RuntimeUnenhancedClasses=supported > >> >> >> > openjpa.MetaDataFactory=jpa(Types=java.util.HashSet) > >> >> >> > > >> >> >> > BTW, this is a dead link > >> >> >> > "User's Guide on Enhancement" / > >> >> >> > > >> >> >> > >> >> > >> > http://openjpa.apache.org/builds/latest/docs/manual/manual.html#ref_guide_pc_enhance > >> >> >> > (from page: http://openjpa.apache.org/entity-enhancement.html) > >> >> >> > > >> >> >> > So is there any way to use OpenJPA to persist objects related > via a > >> >> >> > link table? (there obviously must be, > >> >> >> > but it's a total mystery to me) I can't believe it's this > >> difficult, > >> >> >> > I must be doing something really dumb. > >> >> >> > > >> >> >> > Regards, > >> >> >> > > >> >> >> > CW > >> >> >> > >> >> > > >> >> > > >> >> > > >> >> > -- > >> >> > ------------------------------------------------------------------- > >> >> > *SCJA. José Luis Cetina* > >> >> > ------------------------------------------------------------------- > >> >> > >> >