Informa对于RSS解析的问题，不知道是不是BUG

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Informa对于RSS解析的问题，不知道是不是BUG20

各位大侠，研究过Informa的朋友请进

按照官方的方法如下代码
ChannelBuilder builder = new ChannelBuilder(session);
URL uri = new URL("http://rss.sina.com.cn/news/marquee/ddt.xml");
ChannelIF channel = FeedParser.parse(builder, uri);

写入Hibernate数据（用basic解析是没问题），仅仅只是将channel写入了 Item写入了一条新闻紧接着就报错，研究了2天都不晓得问题出在哪儿。

Hibernate: insert into CHANNELS (TITLE, DESCRIPTION, LOCSTRING, SITE, CREATOR, PUBLISHER, LANGUAGE, FORMAT, IMAGE_ID, TEXTINPUT_ID, COPYRIGHT, RATING, CLOUD_ID, GENERATOR, DOCS, TTL, LAST_UPDATED, LAST_BUILD_DATE, PUB_DATE, UPDATE_PERIOD, UPDATE_FREQUENCY, UPDATE_BASE) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
Hibernate: update CHANNELS set TITLE=?, DESCRIPTION=?, LOCSTRING=?, SITE=?, CREATOR=?, PUBLISHER=?, LANGUAGE=?, FORMAT=?, IMAGE_ID=?, TEXTINPUT_ID=?, COPYRIGHT=?, RATING=?, CLOUD_ID=?, GENERATOR=?, DOCS=?, TTL=?, LAST_UPDATED=?, LAST_BUILD_DATE=?, PUB_DATE=?, UPDATE_PERIOD=?, UPDATE_FREQUENCY=?, UPDATE_BASE=? where CHANNEL_ID=?
Hibernate: select item0_.ITEM_ID as ITEM1_3_, item0_.CHANNEL_ID as CHANNEL2_3_, item0_.TITLE as TITLE3_, item0_.DESCRIPTION as DESCRIPT4_3_, item0_.UNREAD as UNREAD3_, item0_.LINK as LINK3_, item0_.CREATOR as CREATOR3_, item0_.SUBJECT as SUBJECT3_, item0_.DATE as DATE3_, item0_.FOUND as FOUND3_, item0_.GUID as GUID3_, item0_.COMMENTS as COMMENTS3_, item0_.SOURCE as SOURCE3_, item0_.ENCLOSURE as ENCLOSURE3_ from ITEMS item0_ where item0_.LINK=?
Exception in thread "main" java.lang.RuntimeException: java.lang.ClassCastException: de.nava.informa.impl.basic.Category
at com.sk.Test1.main(Test1.java:70)
Caused by: java.lang.ClassCastException: de.nava.informa.impl.basic.Category at org.hibernate.type.EntityType.toLoggableString(EntityType.java:154)
at org.hibernate.type.CollectionType.toLoggableString(CollectionType.java:146)
at org.hibernate.pretty.Printer.toString(Printer.java:53)
at org.hibernate.pretty.Printer.toString(Printer.java:90)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:97)
at org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:35)
at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:951)
at org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:109)
at org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:88)
at org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1540)
at de.nava.informa.impl.hibernate.ChannelBuilder.createItemGuid(ChannelBuilder.java:414)
at de.nava.informa.parsers.RSS_2_0_Parser.parse(RSS_2_0_Parser.java:300)
at de.nava.informa.parsers.FeedParser.parse(FeedParser.java:266)
at de.nava.informa.parsers.FeedParser.parse(FeedParser.java:221)
at de.nava.informa.parsers.FeedParser.parse(FeedParser.java:195)
at com.sk.Test1.main(Test1.java:34)

我都用的是import de.nava.informa.impl.hibernate.ChannelBuilder;这个类怎么会出现basic的Category呢？

就是这里有问题~