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java.lang.NullPointerException: null	at weblogic.xml.query.types.XQueryTypeDFA.adjustPredecessorsMap(XQueryTypeDFA.java:421)	at weblogic.xml.query.types.XQueryTypeDFA.toTree(XQueryTypeDFA.java:327)	at weblogic.xml.query.types.XQueryType.asTree(XQueryType.java:1520)	at weblogic.xml.query.types.XQueryType.quantifier(XQueryType.java:1147)	at weblogic.xml.query.rewriting.rule.RuleAnnotateExpressionWithIgnoresOrder.rewritePre(RuleAnnotateExpressionWithIgnoresOrder.java:12)	at weblogic.xml.query.rewriting.framework.RuleIterator.iterate(RuleIterator.java:66)	at weblogic.xml.query.rewriting.framework.RuleIterator.iterate(RuleIterator.java:47)	at weblogic.xml.query.rewriting.optimizers.CoreOptimizerImpl.optimizeData(CoreOptimizerImpl.java:53)	at weblogic.xml.query.rewriting.optimizers.AbstractOptimizer.optimizeExpression(AbstractOptimizer.java:26)	at weblogic.xml.query.rewriting.rule.RuleInlinePartiallyOptimizedXQueryFunctions.getBody(RuleInlinePartiallyOptimizedXQueryFunctions.java:27)	at weblogic.xml.query.rewriting.rule.RuleInlineXQueryFunctions.rewritePre(RuleInlineXQueryFunctions.java:33)	at weblogic.xml.query.rewriting.framework.RuleIterator.iterate(RuleIterator.java:66)	at weblogic.xml.query.rewriting.framework.RuleIterator.iterate(RuleIterator.java:47)	at weblogic.xml.query.rewriting.optimizers.CoreOptimizerImpl.optimizeData(CoreOptimizerImpl.java:53)	at weblogic.xml.query.rewriting.optimizers.AbstractOptimizer.optimizeExpression(AbstractOptimizer.java:26)	at weblogic.xml.query.xdbcimpl.XqueryStatement.optimize(XqueryStatement.java:154)	at weblogic.xml.query.xdbcimpl.AbstractStatement.compile(AbstractStatement.java:218)	at weblogic.xml.query.xdbcimpl.AbstractStatement.prepare(AbstractStatement.java:197)	at weblogic.xml.query.xdbcimpl.XQueryPreparedStatementImpl.(XQueryPreparedStatementImpl.java:54)	at weblogic.xml.query.xdbcimpl.XDBCConnection.prepareStatement(XDBCConnection.java:115)	at com.bea.ld.server.XQuery.createInvocation(XQuery.java:174)	at com.bea.ld.EJBRequestHandler.invokeQuery(EJBRequestHandler.java:559)	at com.bea.ld.EJBRequestHandler.invokeFunction(EJBRequestHandler.java:775)	at com.bea.ld.EJBRequestHandler.executeFunction(EJBRequestHandler.java:339)	at com.bea.ld.ServerBean.executeFunction(ServerBean.java:95)	at com.bea.ld.Server_ydm4ie_EOImpl.executeFunction(Server_ydm4ie_EOImpl.java:152)	at com.bea.ld.Server_ydm4ie_EOImpl_WLSkel.invoke(Unknown Source)	at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:491)	at weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.java:120)	at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:434)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:147)