Upgrade to Scientific Linux 6.5 x86_64 breaks query

Using PostgreSQL 9.1.3; JDBC3 driver (tried several versions-- all suffer from the same issue); MyBatis 2.3.5 

We're migrating our app to a virtualized 64bit Linux server from a virtualized 32bit Linux server, same farm. What worked fine on 32bit Scientific Linux breaks on 64bit... Same JVM version (although we tried 64 and 32 bit JVM both with same issue). We've done our best to make sure the ONLY thing different is the 64bit OS. Hitting the same 9.1.3 back end...

We've been sifting through everything and we can't conceive of what could possibly cause this problem. Also, this query runs fine on other platforms.

Maybe you can see something I can't:

10:02:40.596 (2) <=BE ReadyForQuery(I)
10:02:40.601 (2) simple execute, handler=org(dot)postgresql(dot)jdbc2(dot)AbstractJdbc2Statement$StatementResultHandler(at)1792d2c, maxRows=0, fetchSize=0, flags=1
10:02:40.601 (2) FE=> Bind(stmt=S_1,portal=null)
10:02:40.601 (2) FE=> Execute(portal=null,limit=0)
10:02:40.601 (2) FE=> Parse(stmt=null,query=" select t_uuid as t_uuid, last(latitude) as latitude, last(longitude) as longitude, last(trans_date) as trans_date, last(speed) as speed, last(direction) as direction, last(revision) as revision from ( SELECT trans_date, t_uuid, latitude, longitude, speed, direction, revision FROM t_vectors WHERE group_uuid = $1 and trans_date between now() - $2 and now() AND t_uuid in ( $3 , $4 , $5 , $6 , $7 , $8 , $9 , $10 , $11 , $12 , $13 , $14 , $15 , $16 , $17 , $18 , $19 , $20 , $21 , $22 , $23 , $24 , $25 ,
$26 , $27 , $28 , $29 , $30 , $31 , $32 , $33 , $34 , $35 , $36 , $37 , $38 , $39 , $40 , $41 , $42 , $43 , $44 , $45 , $46 , $47 , $48 , $49 ) order by trans_date asc ) foo group by t_uuid ",oids={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0})
10:02:40.601 (2) FE=> Bind(stmt=null,portal=null,$1=<394fa90e-75a3-4dd1-9205-341409bcba4b>,$2=<0 years 0 mons 0 days 1 hours 0 mins 0.00
secs>,$3=<cdd1aa29-48ae-4a8d-884f-43ea795defde>,$4=<3552acd6-e294-4d88-bd67-a856b4f5965c>,$5=<881d0513-37b9-4935-8051-b66552bada74>,$6=<fa21ec58-47e7-478a-b8b0-42a937200e70>,$7=<ec909e6b-c214-4fbe-aea0-9baf4a33b54a>,$8=<13c75de7-1e73-4dcd-906b-cee83ee0212e>,$9=<362d4c76-c09d-4e4f-8c05-821e9d46ba83>,$10=<76e02c3d-c108-443a-9cb3-6a1e138f00c6>,$11=<dbc8ee6d-b04d-4f48-90a3-b2a2bbd5de6e>,$12=<197c368a-669c-4d44-867b-6382726bae99>,$13=<8ae1f446-8364-4061-a89e-0058735cd35a>,$14=<fd148cc9-4b13-4773-9b7b-d5f2d1ca3a00>,$15=<7a4777eb-3767-43f8-9d67-f1caf3eff2b4>,$16=<f526b7ee-7823-4e4b-8bd5-dca091ca6aea>,$17=<8f4c2594-b368-43d2-8a27-8af24dc92512>,$18=<10ad0508-9eca-47e3-96f5-99745fbdcede>,$19=<112944c7-eef0-49c3-af79-9b54b484ca0c>,$20=<da94401d-10c5-4607-9b09-fa2202bba846>,$21=<ce9a4ddd-3c47-4bb9-af55-4d0c6c0600f8>,$22=<3448505e-b740-4084-891e-e2ff34c3754f>,$23=<8a3b486d-5e41-46e1-99fa-51f4f38af2fa>,$24=<a3260ac3-3811-4857-95a6-2cbcd1f8119b>,$25=<12a70091-0853-44
99-8f05-d80e3045ce5e>,$26=<e21a63e8-2835-4942-9a9e-18e1310a74e6>,$27=<5b41b6cb-de51-40ff-8488-7f3403b1f0a8>,$28=<83a3fe9b-cfb5-4908-b5fb-5b32a7be5eb1>,$29=<0a963150-eea0-4396-aa2a-9319ca9c9866>,$30=<0346505e-98be-4585-aeea-3b38df4a56a2>,$31=<069bf54d-c230-4bef-884b-46e54e28c65e>,$32=<8286bd41-ccd1-47bd-a1aa-1631d3ccbd56>,$33=<f7a3f9e2-e94b-4ff7-8b03-4e8549be07cb>,$34=<72f2af01-c359-45f9-bb20-37c7479869f3>,$35=<0143076a-3f9e-487d-bdec-c1a6a110f748>,$36=<2bc64e73-c771-43c8-aa83-b11059512a0f>,$37=<a5b56133-7cd2-476d-bde6-1b8af68bc265>,$38=<3c43a0dd-292a-44cc-a097-ab2f77757d25>,$39=<8b84e953-d6a9-42ae-9caa-481c164354db>,$40=<26d842b6-71e2-438f-a147-e18d102d21d5>,$41=<f588610a-507a-4c4c-93bb-a6466ed140ba>,$42=<d5a145c8-f8bd-486f-a0d7-f897715915c5>,$43=<bd0ed505-27e8-43b4-be4e-664adc98a38c>,$44=<b0948960-11b7-4bca-9d9c-4f8d7b91962c>,$45=<70d2924f-c8cb-4594-a67b-261ca300406e>,$46=<60ad8ae8-4722-4a02-8d4f-88a0052299fc>,$47=<350558cc-e56f-4fb2-86f8-3d3252b56bce>
,$48=<de7259b4-e1c8-481c-9043-46f09a0926de>,$49=<2e5ecda2-bfdd-400a-a48a-e08e07d4ced4>)
10:02:40.602 (2) FE=> Describe(portal=null)
10:02:40.602 (2) FE=> Execute(portal=null,limit=0)
10:02:40.602 (2) FE=> Sync
10:02:40.604 (2) <=BE BindComplete [null]
10:02:40.604 (2) <=BE CommandStatus(BEGIN)
10:02:40.607 (2) <=BE ErrorMessage(ERROR: operator does not exist: timestamp with time zone >= interval
  Hint: No operator matches the given name and argument type(s). You might need to add explicit type casts.
  Position: 410)
org.postgresql.util.PSQLException: ERROR: operator does not exist: timestamp with time zone >= interval
  Hint: No operator matches the given name and argument type(s). You might need to add explicit type casts.
  Position: 410
        at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:1592)
        at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1327)
        at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:192)
        at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:451)
        at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:350)
        at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:343)
        at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)
        at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172)
        at com.ibatis.sqlmap.engine.execution.DefaultSqlExecutor.executeQuery(DefaultSqlExecutor.java:183)
        at com.ibatis.sqlmap.engine.mapping.statement.MappedStatement.sqlExecuteQuery(MappedStatement.java:221)
        at com.ibatis.sqlmap.engine.mapping.statement.MappedStatement.executeQueryWithCallback(MappedStatement.java:189)
        at com.ibatis.sqlmap.engine.mapping.statement.MappedStatement.executeQueryForList(MappedStatement.java:139)
        at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:578)
        at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:552)
        at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.queryForList(SqlMapSessionImpl.java:118)
        at com.foo.service.db.ibatis.lib.SqlMapExecutor.queryForList(SqlMapExecutor.java:139)
        at com.foo.service.db.ibatis.DepDaoIbatis.usersList(DepDaoIbatis.java:3352)
        at com.foo.util.Util.fetchSettings(Util.java:109)
        at com.foo.util.Util.fetchUpdates(Util.java:221)
        at com.foo.util.Util.fetchInit(Util.java:168)
        at com.foo.service.process.InitProcessor.process(InitProcessor.java:57)
        at com.foo.service.process.InitProcessor.process(InitProcessor.java:29)
        at com.foo.service.scaffolding.AbstractProcessor.process(AbstractProcessor.java:55)
        at com.foo.service.scaffolding.AbstractProcessor.process(AbstractProcessor.java:28)
        at com.restservice.process.AuthenticatedProcessor.process(AuthenticatedProcessor.java:38)
        at com.restservice.process.AuthenticatedProcessor.process(AuthenticatedProcessor.java:12)
        at com.restservice.process.SerializedProcessor.processRequest(SerializedProcessor.java:74)
        at com.restservice.process.SerializedProcessor.process(SerializedProcessor.java:59)
        at com.restservice.RestService.process(RestService.java:224)
        at com.restservice.RestService.processWrapper(RestService.java:122)
        at com.restservice.RestService.doPost(RestService.java:101)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at com.foo.util.GZIPFilter.doFilter(GZIPFilter.java:33)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
        at com.googlecode.psiprobe.Tomcat70AgentValve.invoke(Tomcat70AgentValve.java:38)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:662)