[Seasar-user:3922] Re: Seasar にてNullPointerExceptionが発生する事象について

[E-MAIL ADDRESS DELETED] [E-MAIL ADDRESS DELETED]
2006年 6月 21日 (水) 19:41:04 JST


$B$*@$OC$K$J$j$^$9!#(B

$B$R$,$5$sJVEz$"$j$,$H$&$4$6$$$^$7$?!#(B
$B%9%?%C%/%H%l!<%9$G$bDI$C$F$_$?$N$G$9$,!"(B
$B7k6I$3$l$H$$$C$?2U=j$r8+$D$1$k$3$H$,$G$-$^$;$s$G$7$?!#(B


$B$b$&0l$DK\8=>]$NH/@8860x$H$7$F9M$($i$l$k<BAu$,$"$j$^$7$?!#!J0J2<-!!"-"!K(B

$B-!(B $B%P%C%A=hM}$rHsF14|=hM}$H$7$F<B8=$7$F$$$k!#!J#4$D$N%P%C%A$rHsF14|$G<B9T$7$F$$$k!K(B
$B-"(B $BHsF14|=hM}$O!V(BDoug Lea$B;a(B $B$N(B util.Concurrent$B!W$H$$$&%f!<%F%#%j%F%#!<$r;HMQ$7$F<B8=$7$F$$$k!#!JEv=i(BS2JMS$B$,$J$+$C$?$?$a$3$l$r;HMQ$7$F$*$j$^$7$?!#!K(B

$BA[A|$G$7$+$J$$$N$G$9$,!"-"$+%P%C%A=hM}$N<BAuFb$K(B
$B%9%l%C%I%;!<%U$K$J$C$F$$$J$$2U=j$,$"$j!"(B
$B$J$s$i$+$N%?%$%_%s%0$G$"$k%*%V%8%'%/%H$,(Bnull$B$K$J$k$H$$$C$?%1!<%9$,9M$($i$l$^$9!#(B

$B2?EY$b?=$7Lu$J$$$N$G$9$,!"-"$N%f!<%F%#%j%F%#!<$r;HMQ$7!"(B
$BF18=>]!J(BNullPointer$B$,H/@8$9$k!K$,H/@8$7$?$3$H$,$"$kJ}$,(B
$B$$$i$C$7$c$$$^$7$?$i$*65$(2<$5$$!#(B

$B$h$m$7$/$*4j$$$$$?$7$^$9!#(B


>$B$R$,$G$9!#(B
>> 
>> $B$d$O$j%"%W%j%1!<%7%g%sB&$+$i(Bnull$B$,EO$5$l$F$$$k$H$7$+8+$($J$$$G$9$h$M!#(B
>> 
>> $B$J$$$H$O;W$&$N$G$9$,!"30It$[E-MAIL ADDRESS DELETED]%U%!%$%k!JNc$($P(Bdicon$B%U%!%$%k!K$K(B
>> $BFC<l$J5-=R$r$9$k$H%"%W%j%1!<%7%g%s$K(Bnull$B$,CmF~$5$l$k!&!&$J$s$F%1!<%9$O(B
>> $B$J$$$G$7$g$&$+!)(B
>> 
>dicon$B%U%!%$%k$O!"(BJava$B$G$+$1$k$3$H$O!"$[$H$s$I$+$1$k$N$G!"(B
>$B$"$k%*%V%8%'%/%H$K(Bnull$B$rCmF~$9$k$3$H$b$G$-$^$9!#(B
>$B$=$l$b!"%"%W%j%1!<%7%g%s(B($B3+H/<T(B)$B<!Bh$G$9!#(B
>$B%9%?%C%/%H%l!<%9$rDI$($P!"$"$kDxEY$OJ,$+$k$N$G$O$J$$$G$7$g$&$+!#(B
>


>$B$R$,$G$9!#(B
>> 
>> $B=i$a$^$7$F!#CS$H?=$7$^$9!#(B
>> 
>> $BK\8=>]$K$D$$$F$O8=:_D4::Cf$H$$$&%9%F!<%?%9$G$"$j!"(B
>> $B7k2LE*$K(BSeasar$B$H$OJL$N$H$3$m$K860x$,$"$k$+$b$7$l$^$;$s!#(B
>> $B$=$&$$$&0UL#$G$O!"BgJQ<:Ni$G$O$"$k$HB8$8$^$9$,!"(B
>> $BK\8=>]$K$D$$$F2?$+$4B8CN$NJ}$,$$$i$C$7$c$$$^$7$?$i!"(B
>> $B$465<x4j$$$?$$$H;W$$$^$9!#(B
>
>> (6) $B%U%l!<%`%o!<%/!'(BSeasar2.2.10
>>                     dao1.0.27
>>                     S2-Struts1.1.5
>> 
>> $B!c8=:_$^$G$[E-MAIL ADDRESS DELETED]!d(B
>>   $B-!(B Web Server$B$N%m%0$K(BHTTP 500$B!JFbIt%(%i!<!K$,=PNO$5$l$F$$$?!#(B
>>   $B-"(B Java$B%3%s%F%J$N%m%0$K$O(BNullPointerException$B$,=PNO$5$l$F$$$?!#(B
>>     $B"M(B Hitachi Web Server$B$O(BCosminexus$B$,(BNullPointerException$B$rJV$9$H$K(BHTTP 500$B!JFbIt%(%i!<!K$rJV$9$?$a!"(B
>> 
>> /* IF aaa.property != null */
>>         $B!&!&!&!&!&(B
>>         $B!&!&!&!&!&(B
>> 
>> $B",(B $B>e5-(Baaa$B$K(Bnull$B$,3JG<$5$l$k$h$&A`:n$9$k$H!"%(%i!<$H$J$k!#!JEvA3$@$,!&!&!K(B
>> $BFbIt!J(BSeasar$B!K$NF0:n$H$7$F$O!"$"$i$+$8$aJQ?t>pJs$r3JG<$7$F$$$k(BMap$B$KBP$7!"(B
>> $BJQ?tL>!JNc$N(B"aaa"$B!K$r%-!<$H$7$F8!:w$r9T$$!"<B:]$N%*%V%8%'%/%H$r(BMap$B$+$i<hF@$7$h$&$H$7$F$$$kLOMM!#(B
>> 
>> $B8!:w$N:]$K$O(Baaa$B$r(BString$B7?$KJQ49(B(toString()$B$r;HMQ(B)$B$7$F!"(B
>> $B8!:w$r9T$*$&$H$7$F$$$k$,!"(Baaa = null$B$G$"$k$?$a!"(Baaa.toString()$B$G(BNullPointerException$B$,(B
>> $BH/@8$9$k!#(B
>> $B!J$J$<(Bnull$B$,F~$C$F$/$k$N$+$O8=:_D4::Cf!#!K(B
>> 
>> $B%m%0(B---------------------------
>> $B"-(BNullPointerException$B$,H/@8$7$F$$$kIU6a$N$_H4?h(B
>> 
>> 4354 2006/04/10 18:10:01.437     HEJB             006E3D60 006FDC0C KDJE39061-E           java.lang.NullPointerException
>> 4355 2006/04/10 18:10:01.437     HEJB             006E3D60 006FDC0C KDJE39061-E            at org.seasar.dao.context.CommandContextPropertyAccessor.getProperty(CommandContextPropertyAccessor.java:20)
>> 4356 2006/04/10 18:10:01.437     HEJB             006E3D60 006FDC0C KDJE39061-E            at ognl.OgnlRuntime.getProperty(OgnlRuntime.java:1616)
>
>$B$3$l$O!"(BSeasar$B$H$$$&$h$j!"(BOGNL$B$,=P$7$F$$$^$9$M!#(B
>$B860x$O!"M=A[$5$l$F$$$kDL$j!"0z?t(B($BNc$($P(Baaa)$B$K(Bnull$B$,F~$C$F$$$k>l9g$@$H;W$$$^$9!#(B
>$B%"%W%j%1!<%7%g%s$G2?$i$+$N>l9g$K!"(Baaa($BAjEv(B)$B$K(Bnull$B$[E-MAIL ADDRESS DELETED]$5$l$k>l9g$,$"$k(B
>$B$N$G$O$J$$$G$7$g$&$+!#(B



Seasar-user メーリングリストの案内