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From Jens Kumpfmueller <jens.kumpfmuel...@stud.uni-rostock.de>
Subject sudden errors while xupdate
Date Thu, 20 Jun 2002 14:35:15 GMT
Hi *,

finally i managed it to start the xindice-server. When i'm trying to do 
some xupdates (mentioned on 
http://www.xmldatabases.org/projects/XUpdate-UseCases/ ), sometimes 
everything is ok, all xupdates are done. but sometimes i got this error:

java.lang.NullPointerException
        at 
org.apache.xindice.core.DocumentCache$CacheKey.equals(DocumentCache.java:171)
        at java.util.WeakHashMap.eq(WeakHashMap.java:256)
        at java.util.WeakHashMap.get(WeakHashMap.java:348)
        at 
org.apache.xindice.core.DocumentCache.getDocument(DocumentCache.java:79)
        at 
org.apache.xindice.core.Collection.getDocument(Collection.java:711)
        at 
org.apache.xindice.core.query.XPathQueryResolver$ResultSet.prepareNextNode(XPathQueryResolver.java:1003)
        at 
org.apache.xindice.core.query.XPathQueryResolver$ResultSet.<init>(XPathQueryResolver.java:995)
        at 
org.apache.xindice.core.query.XPathQueryResolver$XPathQuery.execute(XPathQueryResolver.java:247)
        at 
org.apache.xindice.core.query.XPathQueryResolver.query(XPathQueryResolver.java:151)
        at 
org.apache.xindice.core.query.QueryEngine.query(QueryEngine.java:147)
        at 
org.apache.xindice.core.Collection.queryCollection(Collection.java:847)
        at 
org.apache.xindice.core.xupdate.XUpdateImpl.execute(XUpdateImpl.java:185)
        at 
org.apache.xindice.core.xupdate.XUpdateQueryResolver$XUpdateQuery.execute(XUpdateQueryResolver.java:172)
        at 
org.apache.xindice.core.xupdate.XUpdateQueryResolver.query(XUpdateQueryResolver.java:106)
        at 
org.apache.xindice.core.query.QueryEngine.query(QueryEngine.java:147)
        at 
org.apache.xindice.core.Collection.queryCollection(Collection.java:847)
        at 
org.apache.xindice.client.corba.CollectionServant.queryCollection(CollectionServant.java:424)
        at 
org.apache.xindice.client.corba.db.CollectionPOA._invoke(CollectionPOA.java:332)
        at org.openorb.adapter.poa.POA.dispatch(POA.java:975)
        at 
org.openorb.net.AbstractServerRequest.dispatch(AbstractServerRequest.java:750)
        at 
org.openorb.net.ServerManagerImpl.serve_request(ServerManagerImpl.java:1467)
        at 
org.openorb.net.ServerManagerImpl.thread_pool_main(ServerManagerImpl.java:1410)
        at 
org.openorb.net.ServerManagerImpl.access$200(ServerManagerImpl.java:77)
        at 
org.openorb.net.ServerManagerImpl$PoolThread.run(ServerManagerImpl.java:1557)


i'm using jdk1.4, linux suse 8.0 xindice birdday 1.0 (precompiled)

thx in advance

jens


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