I am trying to upgrade to hibernate 2.1.3. It comes with commons-collections-2.1. If i try to use it with commons-collections-3.0 my schema generation fails with an EMPTY ITERATOR. If i switch back to commons-collections-2.1 the schema generation succeeds. Has anyone else experienced this problem? This is using the same hibernate mapping files (or recreating them). I have not tried to figure out what is causing the problem yet - thought i would see if anyone else can reproduce this error:
java.lang.NoSuchFieldError: EMPTY_ITERATOR
at net.sf.hibernate.util.JoinedIterator.updateCurrentIterator(JoinedIterator.java:
63)
at net.sf.hibernate.util.JoinedIterator.hasNext(JoinedIterator.java:42)
at net.sf.hibernate.mapping.SimpleValue.setType(SimpleValue.java:55)
at net.sf.hibernate.cfg.Binder.bindComponent(Binder.java:911)
at net.sf.hibernate.cfg.Binder.bindCollectionSecondPass(Binder.java:1205)
at net.sf.hibernate.cfg.Binder.bindListSecondPass(Binder.java:1093)
at net.sf.hibernate.cfg.Binder$ListSecondPass.secondPass(Binder.java:1396)
at net.sf.hibernate.cfg.Binder$SecondPass.doSecondPass(Binder.java:1342)
at net.sf.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:618)
at net.sf.hibernate.cfg.Configuration.generateDropSchemaScript(Configuration.java:
445)
at net.sf.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:58)
at net.sf.hibernate.tool.hbm2ddl.SchemaExportTask.getSchemaExport(SchemaExportTask
.java:209)
at net.sf.hibernate.tool.hbm2ddl.SchemaExportTask.execute(SchemaExportTask.java:13
6)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:193)
at org.apache.tools.ant.Task.perform(Task.java:341)
at org.apache.tools.ant.Target.execute(Target.java:309)
at org.apache.tools.ant.Target.performTasks(Target.java:336)
at org.apache.tools.ant.Project.executeTarget(Project.java:1339)
at org.apache.tools.ant.Project.executeTargets(Project.java:1255)
at org.apache.tools.ant.Main.runBuild(Main.java:609)
at org.apache.tools.ant.Main.start(Main.java:196)
at org.apache.tools.ant.Main.main(Main.java:235)

Please submit this to JIRA, we will remove the dependency to commons-collections very soon.

I've actually supplied a patch for this, the latest CVS tree works.

H

Submit it to JIRA from the v21branch

Posted, JIRA issue #HB-997.