title: JPA 1.0 error: The name is not a recognized entity or identifier. Known entity names: []
body: <p>I am getting following exception while I try to execute simple JPA 1.0 code.
  What may be the cause?</p>
  
  <pre><code>5453  DevPQRWDPBSSPersist  WARN   [P=351601:O=0:CT] openjpa.Enhance - This configuration disallows runtime optimization, but the following listed types were not enhanced at build time or at class load time with a javaagent: "[class com.XYZ.PQR.bss.client.db.data.markerentry, class com.XYZ.PQR.bss.client.db.data.Serviceproduct, class com.XYZ.PQR.bss.client.db.data.Agreementterms, class com.XYZ.PQR.bss.client.db.data.Offeringattribute, class com.XYZ.PQR.bss.client.db.data.marker, class com.XYZ.PQR.bss.client.db.data.OfferingpriceadjustmentrelPK, class com.XYZ.PQR.bss.client.db.data.Serviceoffering, class com.XYZ.PQR.bss.client.db.data.Offeringassociation, class com.XYZ.PQR.bss.client.db.data.OfferingpriceserviceofferingrelPK, class com.XYZ.PQR.bss.client.db.data.Offer, class com.XYZ.PQR.bss.client.db.data.Offeringpriceadjustmentrel, class com.XYZ.PQR.bss.client.db.data.Offeringfamily, class com.XYZ.PQR.bss.client.db.data.Offeringpriceserviceofferingrel, class com.XYZ.PQR.bss.client.db.data.Serviceproductattribute, class com.XYZ.PQR.bss.client.db.data.Offeringprice, class com.XYZ.PQR.bss.client.db.data.Agreement]".
  6563  DevPQRWDPBSSPersist  TRACE  [P=351601:O=0:CT] openjpa.jdbc.SQL - &lt;t 1183336072, conn 944453707&gt; executing prepstmnt 152307988 SELECT so.* from DB2INST1.SERVICEOFFERING so where so.ISDELETED = 0 and so.id in (select oa.SERVICEOFFERINGID from DB2INST1.OFFERINGATTRIBUTE oa where oa.SERVICEOFFERINGID = so.id AND oa.name = ? and oa.STRINGVALUE = ? and oa.ISDELETED = 0) [params=(String) productbundleid, (String) attrValue]
  7281  DevPQRWDPBSSPersist  TRACE  [P=351601:O=0:CT] openjpa.jdbc.SQL - &lt;t 1183336072, conn 944453707&gt; [718 ms] spent
  Exception in thread "P=351601:O=0:CT" &lt;openjpa-1.2.1-SNAPSHOT-r422266:686069 nonfatal user error&gt; org.apache.openjpa.persistence.ArgumentException: An error occurred while parsing the query filter "SELECT OBJECT(attr) FROM Offeringattribute attr WHERE attr.serviceofferingid IN (:OfferingIds) AND attr.isdeleted = 0". Error message: The name "Offeringattribute" is not a recognized entity or identifier. Known entity names: []
   at org.apache.openjpa.kernel.exps.AbstractExpressionBuilder.parseException(AbstractExpressionBuilder.java:118)
   at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getClassMetaData(JPQLExpressionBuilder.java:180)
   at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.resolveClassMetaData(JPQLExpressionBuilder.java:150)
   at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateMetaData(JPQLExpressionBuilder.java:225)
   at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateMetaData(JPQLExpressionBuilder.java:195)
   at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateType(JPQLExpressionBuilder.java:188)
   at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.access$600(JPQLExpressionBuilder.java:69)
   at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder$ParsedJPQL.populate(JPQLExpressionBuilder.java:1756)
   at org.apache.openjpa.kernel.jpql.JPQLParser.populate(JPQLParser.java:56)
   at org.apache.openjpa.kernel.ExpressionStoreQuery.populateFromCompilation(ExpressionStoreQuery.java:153)
   at org.apache.openjpa.kernel.QueryImpl.newCompilation(QueryImpl.java:658)
   at org.apache.openjpa.kernel.QueryImpl.compilationFromCache(QueryImpl.java:639)
   at org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:605)
   at org.apache.openjpa.kernel.QueryImpl.compileForExecutor(QueryImpl.java:667)
   at org.apache.openjpa.kernel.QueryImpl.getOperation(QueryImpl.java:1492)
   at org.apache.openjpa.kernel.DelegatingQuery.getOperation(DelegatingQuery.java:123)
   at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:243)
   at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:293)
   at com.XYZ.PQR.bss.client.offering.impl.OfferingServiceImpl.getOfferingsByStringAttribute(OfferingServiceImpl.java:661)
   at com.XYZ.PQR.bss.marker.impl.testAks.testAPI(testAks.java:38)
   at com.XYZ.PQR.bss.marker.impl.testAks.main(testAks.java:24)
  
      &lt;properties&gt;
  
  &lt;property name="openjpa.ConnectionDriverName" value="com.XYZ.db2.jcc.DB2Driver"/&gt;
     &lt;property name="openjpa.ConnectionURL" value="jdbc:db2://xyz.com:50000/ABC"/&gt;
     &lt;property name="openjpa.ConnectionUserName" value="usr"/&gt;
     &lt;property name="openjpa.ConnectionPassword" value="pwd"/&gt;
     &lt;property name="openjpa.jdbc.Schema" value="sch123"/&gt;
      &lt;property name="openjpa.Log" value="SQL=TRACE" /&gt;
  
  &lt;/properties&gt;
  </code></pre>