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From David Van Couvering <da...@vancouvering.com>
Subject NullPointerException when generating UUID
Date Wed, 02 Jun 2010 19:34:00 GMT
I am seeing this exception fairly regularly, does anyone know what I might
be doing to cause this?

Caused by: java.lang.NullPointerException
    at java.io.StringReader.<init>(StringReader.java:33)
    at org.apache.derby.impl.services.uuid.BasicUUID.<init>(Unknown Source)
    at
org.apache.derby.impl.services.uuid.BasicUUIDFactory.recreateUUID(Unknown
Source)
    at
org.apache.derby.impl.sql.catalog.SYSCONGLOMERATESRowFactory.buildDescriptor(Unknown
Source)
    at
org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getDescriptorViaIndexMinion(Unknown
Source)
    at
org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getDescriptorViaIndex(Unknown
Source)
    at
org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getConglomerateDescriptorsScan(Unknown
Source)
    at
org.apache.derby.impl.sql.catalog.DataDictionaryImpl.finishTableDescriptor(Unknown
Source)
    at
org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getTableDescriptorIndex1Scan(Unknown
Source)
    at
org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getUncachedTableDescriptor(Unknown
Source)
    at org.apache.derby.impl.sql.catalog.NameTDCacheable.setIdentity(Unknown
Source)
    at org.apache.derby.impl.services.cache.ConcurrentCache.find(Unknown
Source)
    at
org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getTableDescriptor(Unknown
Source)
    at
org.apache.derby.impl.sql.compile.QueryTreeNode.getTableDescriptor(Unknown
Source)
    at
org.apache.derby.impl.sql.compile.FromBaseTable.bindTableDescriptor(Unknown
Source)
    at
org.apache.derby.impl.sql.compile.FromBaseTable.bindNonVTITables(Unknown
Source)
    at org.apache.derby.impl.sql.compile.FromList.bindTables(Unknown Source)
    at org.apache.derby.impl.sql.compile.SelectNode.bindNonVTITables(Unknown
Source)
    at org.apache.derby.impl.sql.compile.DMLStatementNode.bindTables(Unknown
Source)
    at org.apache.derby.impl.sql.compile.DMLStatementNode.bind(Unknown
Source)
    at org.apache.derby.impl.sql.compile.CursorNode.bindStatement(Unknown
Source)
    at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source)
    at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source)
    at
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(Unknown
Source)



-- 
David W. Van Couvering

http://www.linkedin.com/in/davidvc
http://davidvancouvering.blogspot.com
http://twitter.com/dcouvering

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