MQL: Using multiple EXISTS clauses not supported

Symptom

If you attempt to use multiple exists clauses in an MQL statement, this may fail. For example, the following MQL statement:

select displayName from IIsWebService where exists (modules.name contains 'Underwriting_ipad') or exists (modules.name contains 'MOSMobile')

Fails with:
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CTJOX0101E There is an API processing error: java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: java.rmi.RemoteException: CTJOX0193E The application cannot get objects from the Topology Manager: java.rmi.RemoteException: CTJOX0193E The application cannot get objects from the Topology Manager: java.rmi.ServerException: RemoteException occurred in server thread; nested exception is:
java.rmi.RemoteException: Error executing JDOQL query "SELECT subq.JDOCLASSX,subq.CMDBSOURCE_X,subq.DISPLAYNAME_X,subq.GUID_X,subq.NUC ORDER0,subq.JDOLOCKX FROM (SELECT row_number()over( ORDER BY THIS.PK_X ) rn,THIS.JDOCLASSX,THIS.CMDBSOURCE_X,THIS.DISPLAYNAME_X,THIS.GUID_X,THIS. PK_X AS NUCORDER0,THIS.JDOLOCKX FROM DB2INST1.APPSRVR THIS WHERE THIS.JDOCLASSX = ? AND (((EXISTS (SELECT 1 FROM
DB2INST1.APPSERVERJDO_MODULES_X THIS_MODULES__X1 , DB2INST1.SOFTMODL UNBOUND_X1 , DB2INST1.APPSERVERJDO_MODULES_X THIS_MODULES_ WHERE THIS_MODULES__X1.PK__JDOIDX = THIS.PK_X AND UNBOUND_X1.PK_X = THIS_MODULES__X1.PK__MODULES_X AND (UNBOUND_X1.NAME_X LIKE ? ESCAPE '\' ) AND THIS_MODULES_.PK__JDOIDX = THIS.PK_X)) OR (UNBOUND_X1.PK_X = THIS_MODULES_.PK__MODULES_X AND (UNBOUND_X1.NAME_X LIKE ? ESCAPE '\' )))) AND THIS.DELETED_X = 0 AND THIS.VERSION_X = ? ORDER BY NUCORDER0 ) subq WHERE subq.rn<=50" : DB2 SQL Error: SQLCODE=-206, SQLSTATE=42703, SQLERRMC=UNBOUND_X1.PK_X, DRIVER=3.63.75.; nested exception is: javax.jdo.JDODataStoreException: Error executing JDOQL query "SELECT
subq.JDOCLASSX,subq.CMDBSOURCE_X,subq.DISPLAYNAME_X,subq.GUID_X,subq.NUC ORDER0,subq.JDOLOCKX FROM (SELECT row_number()over( ORDER BY THIS.PK_X ) rn,THIS.JDOCLASSX,THIS.CMDBSOURCE_X,THIS.DISPLAYNAME_X,THIS.GUID_X,THIS. PK_X AS NUCORDER0,THIS.JDOLOCKX FROM DB2INST1.APPSRVR THIS WHERE THIS.JDOCLASSX = ? AND (((EXISTS (SELECT 1 FROM
DB2INST1.APPSERVERJDO_MODULES_X THIS_MODULES__X1 , DB2INST1.SOFTMODL UNBOUND_X1 , DB2INST1.APPSERVERJDO_MODULES_X THIS_MODULES_ WHERE THIS_MODULES__X1.PK__JDOIDX = THIS.PK_X AND UNBOUND_X1.PK_X = THIS_MODULES__X1.PK__MODULES_X AND (UNBOUND_X1.NAME_X LIKE ? ESCAPE '\' ) AND THIS_MODULES_.PK__JDOIDX = THIS.PK_X)) OR (UNBOUND_X1.PK_X = THIS_MODULES_.PK__MODULES_X AND (UNBOUND_X1.NAME_X LIKE ? ESCAPE '\' )))) AND THIS.DELETED_X = 0 AND THIS.VERSION_X = ? ORDER BY NUCORDER0 ) subq WHERE subq.rn<=50" : DB2 SQL Error: SQLCODE=-206, SQLSTATE=42703, SQLERRMC=UNBOUND_X1.PK_X, DRIVER=3.63.75.
NestedThrowables:
com.ibm.db2.jcc.am.SqlSyntaxErrorException: DB2 SQL Error: SQLCODE=-206, SQLSTATE=42703, SQLERRMC=UNBOUND_X1.PK_X, DRIVER=3.63.75...
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