Hello list, Spikes is now Java 5 compatible. I also fixed a nasty mishtak in the manager. Say after me persist/merge != save/update. Added ant task openjpac bytecode twiddling before running the tests, and guess what? Same problem, er, persists. Sigh.
John John Leach wrote: > > Hello Craig, > Oops, I compiled parancoe-yaml with Eclipse, and didn't check the version. > Should compile with Java 5 though. My mistake. Spike compiles with the ant > task set to 1.5 source and target. I'll recompile the jar file and update > the svn repository this weekend. > > John > > > Craig L Russell wrote: >> >> Hi John, >> >> Does the project require Java 6? I checked out the sources and cd >> trunk; ant. It appears that one of the dependencies is compiled with >> Java 6. >> test-compile: >> [javac] Compiling 29 source files to /Users/clr/spikes/trunk/bin >> [javac] /Users/clr/spikes/trunk/java/src/org/syger/fixtures/ >> YamlHelper.java:28: cannot access org.parancoe.yaml.Yaml >> [javac] bad class file: /Users/clr/spikes/trunk/extlib/parancoe- >> yaml.jar(org/parancoe/yaml/Yaml.class) >> [javac] class file has wrong version 50.0, should be 49.0 >> [javac] Please remove or make sure it appears in the correct >> subdirectory of the classpath. >> [javac] import org.parancoe.yaml.Yaml; >> [javac] ^ >> [javac] 1 error >> >> more below... >> >> On May 10, 2008, at 7:38 AM, John Leach wrote: >> >>> >>> Dear list, >>> As part of a (very) small open source project to provide domain entity >>> mapping and association examples, together with a programmatic >>> interface to >>> reach outside the JPA 1.0 specifications, I am struggling with two >>> problems >>> using OpenJPA. >>> >>> I had better warn you all that I am a freelance consultant working >>> in Italy >>> and I use and will be using this work to sell both the advantages and >>> disadvantages (but with solutions) of using JPA 1.0. to my clients. >>> >>> The first showstopper is an InvalidStateException: Attempt to set >>> column >>> "client.version" to two different values... where the version field >>> is being >>> updated (this is an optimistic locking field, and has a @Version >>> annotation), the SQL query being performed seems to be: >>> UPDATE client SET lastUpdated = ?, version = ? WHERE id = ? AND >>> version = ? >>> [params=(Timestamp) 2008-05-10 15:58:16.593, (int) 3, (long) 3, >>> (int) 2] >> >> This SQL seems correct. It's updating the lastUpdated and version >> columns and verifying that the version is correct. Where does this >> error occur? >> >> Craig >>> >>> The same annotated entities work just fine with Hibernate and >>> EclipseLink - >>> for what that's worth. >>> I have even tried adding openjpac in the ant task, but the results >>> remain >>> the same. >>> I am convinced that this is a Spring/OpenJPA configuration problem, >>> but >>> being a relative novice with Spring (and OpenJPA) I have been >>> beating my >>> head against the proverbial brick wall for two days, and not even a >>> dent in >>> the wall to show for my efforts. >>> >>> The second showstopper is finding a way to change the metadata >>> before an >>> EntityManager is created. The intention is to provide a 'third' >>> alternative >>> to annotations and/or persistence.xml, where the entity classes >>> contain only >>> JPA annotations, with any remaining changes being made >>> programmatically. The >>> one-to-many example defines CascadeType.ALL, but actually requires a >>> 'delete-orphans' extension for the tests to succeed. Again, my many >>> attempts >>> at hooking into the properties openjpa.BrokerFactory or >>> openjpa.BrokerImpl >>> or openjpa.MetaDataFactory all met with failure of one sort or the >>> other >>> (mostly ClassCast exceptions within the OpenJPA code). >>> >>> Any help would be greatly appreciated. I am working 'in >>> collaboration with' >>> two Java User Groups (Torino and Trento), but it's really me who >>> wrote most >>> of the code. >>> >>> The open source project, called Spikes (guess why) can be downloaded >>> via >>> Subversion with the command: >>> svn checkout https://lab.jugtorino.it/svn/sandbox/spikes/trunk spikes >>> There is a Trac site at http://lab.jugtorino.it/trac/sandbox/wiki/Spikes >>> , >>> which I have converted to English in most places, and also an >>> article (which >>> started the project rolling) >>> http://www.syger.it/Tutorials/JPA10Gotchas.html >>> >>> Best regards >>> John Leach, Verona, Italy >>> -- >>> View this message in context: >>> http://www.nabble.com/InvalidStateException%3A-Attempt-to-set-column-%22client.version%22-to-two-different-values-tp17163045p17163045.html >>> Sent from the OpenJPA Users mailing list archive at Nabble.com. >>> >> >> Craig Russell >> Architect, Sun Java Enterprise System http://java.sun.com/products/jdo >> 408 276-5638 mailto:[EMAIL PROTECTED] >> P.S. A good JDO? O, Gasp! >> >> >> >> > > -- View this message in context: http://www.nabble.com/InvalidStateException%3A-Attempt-to-set-column-%22client.version%22-to-two-different-values-tp17163045p17178751.html Sent from the OpenJPA Users mailing list archive at Nabble.com.
