2023年12月22日发(作者：)

引用访问BIRT报表时出现错误：

访问BIRT报表时出现Cannot load JDBC Driver错误！可能原因是ORACLE JDBC类没有找到，但是在项目里面已经包含了classes12的包。在JBoss的lib里面也包含classes12的包。

14:09:49,685 INFO [STDOUT] 2007-12-14 14:09:49

iverManager findDriver

警告: Failed to load JDBC driver class: Driver

14:09:49,895 INFO [STDOUT] 2007-12-14 14:09:49

tionManager

openConnection

严重: Cannot open connection.

ception: Cannot load JDBC

Driver class: Driver

at

iver(:623)

at

dRegisterDriver(:731)

at

ect(:192)

at

nection(:158)

at

tByUrl(:158)

at

(:115)

at

(:235)

at

nnection(:145)

at

nection(DataSo

:134)

at

(:121)

at

iDataSource(:214)

at

taSource(:265)

at

eExecution(:210)

at

are(:500)

at

e(:161)

at

e(:142)

at

e(:141)

at

DynamicSelectionChoices(:490)

at

icesFromParameterQuery(:940)

at

ectionList(:358)

at

ectionListForCascadingGroup(:720)

at

ectionListForCascadingGroup(Unknown Source)

at

ameterSelectionListForCascadingGroup(Unknown

Source)

at

eParameterBean(Unknown Source)

at

ice(Unknown Source)

at

e(Unknown Source)

at

terGroupFragment_jsp._jspService(terGroupFragment_jsp:133)

at e(:97)

at e(:810)

at

e(:322)

at

eJspFile(:314)

at e(:264)

at e(:810)

at

alDoFilter(:252)

at

er(:173)

at

(:672)

at

ude(:574)

at

e(:499)

at

e(Unknown Source)

at

terDialogFragment_jsp._jspService(terD

ialogFragment_jsp:99)

at e(:97)

at e(:810)

at

e(:322)

at

eJspFile(:314)

at e(:264)

at e(:810)

at

alDoFilter(:252)

at

er(:173)

at

(:672)

at

ude(:574)

at

e(:499)

at

e(Unknown Source)

at

ck(Unknown Source)

at

ContainerFragment_jsp._jspService(ContainerFragment_jsp:126)

at e(:97)

at e(:810)

at

e(:322)

at

eJspFile(:314)

at e(:264)

at e(:810)

at

alDoFilter(:252)

at

er(:173)

at

(:672)

at

ude(:574)

at

e(:499)

at

e(Unknown Source)

at

ck(Unknown Source)

at

rFragment_jsp._jspService(rFragment_jsp:62)

at e(:97)

at e(:810)

at

e(:322)

at

eJspFile(:314)

at e(:264)

at e(:810)

at

alDoFilter(:252)

at

er(:173)

at

(:672)

at

ude(:574)

at

e(:499)

at

e(Unknown Source)

at

ck(Unknown Source)

at

Fragment_jsp._jspService(Fragment_jsp:62)

at .r

14:09:49,915 INFO [STDOUT]

e(:97)

at e(:810)

at

e(:322)

at

eJspFile(:314)

at e(:264)

at e(:810)

at

alDoFilter(:252)

at

er(:173)

at

(:672)

at

ude(:574)

at

e(ApplicationDis

:499)

at

e(Unknown Source)

at

ck(Unknown Source)

at

etFragment_jsp._jspService(etFragment_jsp:254)

at e(:97)

at e(:810)

at

e(:322)

at

eJspFile(:314)

at e(:264)

at e(:810)

at

alDoFilter(:252)

at

er(:173)

at

(:672)

at

ude(:574)

at

e(:499)

at

e(Unknown Source)

at Servlet.__doGet(Unknown

Source)

at

(Unknown Source)

at e(:697)

at

e(:327)

at e(:810)

at

alDoFilter(:252)

at

er(:173)

at er(Unknown

Source)

at

alDoFilter(:202)

at

er(:173)

at

er(:81)

at

alDoFilter(:202)

at

er(:173)

at

(:213)

at

(:178)

at

(:39)

at

(:159)

at

(:59)

at

问题解决：

把包拷贝到_2.2.1.r22x_v20070919drivers目录下就可以了。

(:126)

at

(:105)

at

(:107)

at

e(:148)

at

s(:856)

at

11Protocol$sConnection(:744)

at

sSocket(:527)

at

(:112)

at (Unknown Source)