Did you have this problem in 1.4? We use Elephant extensively on Clozure on Mac/Linux under 1.4 but I haven't upgraded to the latest 1.5 on any system that I'm aware of. There are some occasional bugs found in the schema management code too that may be lurking.
Ian On Sep 23, 2010, at 10:51 PM, Xu Jingtao wrote: > hi elephant-dev: > I use elephant 1.0 under Clozure Common lisp,and exception often occurs > like this: > =============================================== > There is no applicable method for the generic function: > #<STANDARD-GENERIC-FUNCTION ELEPHANT::SCHEMA-PREDECESSOR #x189D9726> > when called with arguments: > (NIL) > (B2D527D4) : 0 (PRINT-CALL-HISTORY :CONTEXT NIL :PROCESS NIL :ORIGIN NIL > :DETAILED-P NIL :COUNT 536870911 :START-FRAME-NUMBER 0 :STREAM > #<STRING-OUTPUT-STREAM #x197B20BE> :PRINT-LEVEL 2 :PRINT-LENGTH 5 > :SHOW-INTERNAL-FRAMES NIL :FORMAT :TRADITIONAL) 735 > (B2D52888) : 1 (PRINT-BACKTRACE-TO-STREAM #<STRING-OUTPUT-STREAM > #x197B20BE>) 71 > (B2D528A0) : 2 (GET-BACKTRACE) 327 > (B2D528D4) : 3 (FUNCALL #'#<(:INTERNAL (HUNCHENTOOT:HANDLE-REQUEST > (HUNCHENTOOT:ACCEPTOR HUNCHENTOOT:REQUEST)))> #<SIMPLE-ERROR #x197B20E6>) 119 > (B2D528F0) : 4 (SIGNAL #<SIMPLE-ERROR #x197B20E6>) 903 > (B2D52918) : 5 (SIGNAL #<SIMPLE-ERROR #x197B20E6>) 903 > (B2D52940) : 6 (%ERROR #<SIMPLE-ERROR #x197B20E6> NIL -323663258) 119 > (B2D52954) : 7 (CERROR "Try calling it again" "There is no applicable method > for the generic function:~% ~s~%when called with arguments:~% ~s" > #<STANDARD-GENERIC-FUNCTION ELEPHANT::SCHEMA-PREDECESSOR #x189D9726> (NIL)) > 823 > (B2D52998) : 8 (FUNCALL #'#<#<CCL::STANDARD-KERNEL-METHOD > NO-APPLICABLE-METHOD (T)>> #<STANDARD-GENERIC-FUNCTION > ELEPHANT::SCHEMA-PREDECESSOR #x189D9726> NIL) 103 > (B2D529B8) : 9 (FUNCALL #'#<#<STANDARD-METHOD > UPDATE-INSTANCE-FOR-REDEFINED-CLASS :AROUND (ELEPHANT:PERSISTENT-OBJECT T T > T)>> #<BDB-INDEXED-BTREE oid:-4> NIL NIL NIL) 199 > (B2D529E4) : 10 (%%STANDARD-COMBINED-METHOD-DCODE (#<STANDARD-METHOD > UPDATE-INSTANCE-FOR-REDEFINED-CLASS :AROUND #> #<CCL::STANDARD-KERNEL-METHOD > UPDATE-INSTANCE-FOR-REDEFINED-CLASS #>) -323663226) 679 > (B2D52A2C) : 11 (UPDATE-OBSOLETE-INSTANCE #<BDB-INDEXED-BTREE oid:-4>) 2359 > (B2D52A44) : 12 (%%NTH-ARG-DCODE #((#<#> #<#> #<#>) NIL NIL 1 > #<STANDARD-GENERIC-FUNCTION ELEPHANT:GET-VALUE #x18A90AA6> ...) -323663203) > 1415 > (B2D52A80) : 13 (FUNCALL #'#<#<STANDARD-METHOD > ELEPHANT::GET-CONTROLLER-SCHEMA (ELEPHANT:STORE-CONTROLLER T)>> > #<BDB-STORE-CONTROLLER /home/www/license/db/> 402 NIL) 223 > (B2D52A98) : 14 (FUNCALL #'#<#<STANDARD-METHOD ELEPHANT::GET-SCHEMA-ID-CLASS > (ELEPHANT:STORE-CONTROLLER T)>> #<BDB-STORE-CONTROLLER /home/www/license/db/> > 402) 95 > (B2D52AAC) : 15 (FUNCALL #'#<#<STANDARD-METHOD > ELEPHANT::CONTROLLER-RECREATE-INSTANCE (ELEPHANT:STORE-CONTROLLER T)>> > #<BDB-STORE-CONTROLLER /home/www/license/db/> 308 NIL) 743 > (B2D52AF8) : 16 (FUNCALL #'#<(:INTERNAL ELEPHANT::MAP-OBJ > ELEPHANT:MAP-INVERTED-INDEX)> "t...@gmail.com" 308) 47 > (B2D52B10) : 17 (FUNCALL #'#<(:INTERNAL #:G18136 ELEPHANT::MAP-BTREE-VALUES)> > "t...@gmail.com" 308) 39 > (B2D52B28) : 18 (FUNCALL #'#<(:INTERNAL ELEPHANT::MAP-BTREE-VALUES)>) 519 > (B2D52B88) : 19 (FUNCALL #'#<#<STANDARD-METHOD ELEPHANT::EXECUTE-TRANSACTION > (DB-BDB::BDB-STORE-CONTROLLER T)>> #<BDB-STORE-CONTROLLER > /home/www/license/db/> #<COMPILED-LEXICAL-CLOSURE (:INTERNAL > ELEPHANT::MAP-BTREE-VALUES) #x197B2666> :TRANSACTION NIL :PARENT NIL > :ENVIRONMENT NIL :RETRIES 200 :RETRY-WAIT 0.1 :DEGREE-2 T :READ-UNCOMMITTED > NIL :TXN-NOSYNC NIL :TXN-NOWAIT NIL :TXN-SYNC NIL :SNAPSHOT NIL > :INHIBIT-ROLLBACK-FN NIL) 1351 > (B2D52C5C) : 20 (MAP-BTREE-VALUES #<COMPILED-LEXICAL-CLOSURE (:INTERNAL > ELEPHANT::MAP-OBJ ELEPHANT:MAP-INVERTED-INDEX) #x197B26A6> #<BDB-DUP-BTREE > oid:100> "t...@gmail.com" T) 719 > (B2D52C90) : 21 (FUNCALL #'#<#<STANDARD-METHOD ELEPHANT:MAP-BTREE (T > ELEPHANT:BTREE)>> > #<COMPILED-LEXICAL-CLOSURE (:INTERNAL ELEPHANT::MAP-OBJ > ELEPHANT:MAP-INVERTED-INDEX) #x197B26A6> #<BDB-DUP-BTREE oid:100> :VALUE > "t...@gmail.com" :COLLECT T) 183 > (B2D52CD0) : 22 (MAP-INVERTED-INDEX #<Compiled-function ELEPHANT::IDENTITY2 > #x18AC6786> #<ELEPHANT:PERSISTENT-METACLASS XJT-SITE::LICENSE-FILE> > XJT-SITE::USER-MAIL :VALUE "t...@gmail.com" :COLLECT T) 799 > (B2D52D2C) : 23 (url=/license/user-center) 119 > =============================================== > > I can retry my operation and the error will not occur the next time. > why and how to fix this? > > best regards. > jingtao. > > _______________________________________________ > elephant-devel site list > elephant-devel@common-lisp.net > http://common-lisp.net/mailman/listinfo/elephant-devel _______________________________________________ elephant-devel site list elephant-devel@common-lisp.net http://common-lisp.net/mailman/listinfo/elephant-devel
