java.util.ConcurrentModificationException: This exception has no message.

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via Oracle Community by 3004, 1 year ago
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This exception has no message.
java.util.ConcurrentModificationException:
at java.util.TreeMap$EntryIterator.nextEntry(TreeMap.java:1022)
at java.util.TreeMap$KeyIterator.next(TreeMap.java:1047)
at com.solarmetric.kodo.meta.ClassMetaData.finish(ClassMetaData.java:276)
at com.solarmetric.kodo.meta.ClassMetaData.newInstance(ClassMetaData.java:207)
at com.solarmetric.kodo.meta.ClassMetaData.getInstance(ClassMetaData.java:145)
at com.solarmetric.kodo.enhance.JDOEnhancer.(JDOEnhancer.java:204)
at com.solarmetric.kodo.enhance.JDOEnhancer.enhance(JDOEnhancer.java:147)
at com.solarmetric.kodo.enhance.JDOEnhancer.main(JDOEnhancer.java:108)

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