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1. Re: why there have juel-*.jar? what do these package?
Hi Wu,
The juel is used to resovle Expression in the jbpm-4.x. Unfortunately, these is confliction in tomcat-6.x. Because both el-api.jar and juel-api.jar implemeneted the javax.el spec, but they have different versions.
The workaround is delete juel-api.jar from WEB-INF/lib directly.
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2. Re: why there have juel-*.jar? what do these package?
yes, lkonw!
can you join my msn:wu.arron@hotmail.com