Interesting, once I got it compiled (using Java 7) I could then run the
tests fine using Java 6 or 7.
On Thu 14 Jun 2012 09:50:10 AM CDT, Hardy Ferentschik wrote:
> Using:
>
> JVM: 1.6.0_31 (Apple Inc. 20.6-b01-415)
> OS: Mac OS X 10.7.4 x86_64
>
> I get:
>
> ant:javac]
> /Users/hardy/tmp/core/hibernate-jpa2.1-working/hibernate-entitymanager/src/main/java/org/hibernate/ejb/criteria/CollectionJoinImplementor.java:35:
> types org.hibernate.ejb.criteria.JoinImplementor<Z,X> and
> org.hibernate.ejb.criteria.JoinImplementor<Z,X> are incompatible; both
> define on(javax.persistence.criteria.Predicate[]), but with unrelated return
> types
> [ant:javac] public interface CollectionJoinImplementor<Z,X> extends
> JoinImplementor<Z,X>, CollectionJoin<Z,X> {
> [ant:javac] ^
> [ant:javac]
> /Users/hardy/tmp/core/hibernate-jpa2.1-working/hibernate-entitymanager/src/main/java/org/hibernate/ejb/criteria/JoinImplementor.java:37:
> types javax.persistence.criteria.Fetch<Z,X> and
> javax.persistence.criteria.Join<Z,X> are incompatible; both define
> on(javax.persistence.criteria.Predicate[]), but with unrelated return types
> [ant:javac] public interface JoinImplementor<Z,X> extends Join<Z,X>,
> Fetch<Z,X>, FromImplementor<Z,X> {
> [ant:javac] ^
> [ant:javac]
> /Users/hardy/tmp/core/hibernate-jpa2.1-working/hibernate-entitymanager/src/main/java/org/hibernate/ejb/criteria/ListJoinImplementor.java:35:
> types org.hibernate.ejb.criteria.JoinImplementor<Z,X> and
> org.hibernate.ejb.criteria.JoinImplementor<Z,X> are incompatible; both
> define on(javax.persistence.criteria.Predicate[]), but with unrelated return
> types
> [ant:javac] public interface ListJoinImplementor<Z,X> extends
> JoinImplementor<Z,X>, ListJoin<Z,X> {
> [ant:javac] ^
> [ant:javac]
> /Users/hardy/tmp/core/hibernate-jpa2.1-working/hibernate-entitymanager/src/main/java/org/hibernate/ejb/criteria/MapJoinImplementor.java:35:
> types org.hibernate.ejb.criteria.JoinImplementor<Z,V> and
> org.hibernate.ejb.criteria.JoinImplementor<Z,V> are incompatible; both
> define on(javax.persistence.criteria.Predicate[]), but with unrelated return
> types
> [ant:javac] public interface MapJoinImplementor<Z,K,V> extends
> JoinImplementor<Z,V>, MapJoin<Z,K,V> {
> [ant:javac] ^
> [ant:javac]
> /Users/hardy/tmp/core/hibernate-jpa2.1-working/hibernate-entitymanager/src/main/java/org/hibernate/ejb/criteria/SetJoinImplementor.java:35:
> types org.hibernate.ejb.criteria.JoinImplementor<Z,X> and
> org.hibernate.ejb.criteria.JoinImplementor<Z,X> are incompatible; both
> define on(javax.persistence.criteria.Predicate[]), but with unrelated return
> types
> [ant:javac] public interface SetJoinImplementor<Z,X> extends
> JoinImplementor<Z,X>, SetJoin<Z,X> {
> [ant:javac] ^
> [ant:javac] Note: Some input files use or override a deprecated API.
> [ant:javac] Note: Recompile with -Xlint:deprecation for details.
> [ant:javac] Note: Some input files use unchecked or unsafe operations.
> [ant:javac] Note: Recompile with -Xlint:unchecked for details.
> [ant:javac] 5 errors
>
> Switching to JDK 7:
>
> JVM: 1.7.0-ea (Oracle Corporation 21.0-b17)
> OS: Mac OS X 10.7.4 x86_64
>
> Compile works, but tests seem to hang after:
>
> Building> :hibernate-entitymanager:test> 282 tests completed
>
>
> --Hardy
>
>
>
> On Jun 14, 2012, at 4:15 PM, Steve Ebersole wrote:
>
>> So I tried with JDK 1.7 and it worked fine. I am hoping we can get people
>> to try this on different architecture/jdk combos so we can see where the
>> issue boundaries are.
>>
>> I am running on Linux and using the Oracle JDKs:
>> java version "1.6.0_30"
>> java version "1.7.0_03"
>>
>> This does in fact seem to be an issue in the Oracle JDK code. The bug is
>> 6294779, but it does not seem to be available in the bug database anymore.
>> According to any reports I could find it was fixed in beta 31 of Java 7 JDK.
>> But apparently no fix was ever ported to Java 6 JDK.
>>
>> This obviously leads to some interesting question about handling Java
>> versions in Hibernate builds and how to best handle this situation. I'd
>> like to define these boundaries first and then have that discussion. I have
>> attached my working HEAD with the changes in question (I hope, first time
>> using git archive command). Can others using alternative JDKs and other OS
>> architectures try compiling this with their Java 6 JDKs?
>>
>> Thanks
>
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