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My spring boot applications working great on tomcat. But I need to deploy this in IBM Websphere 8.5.5.12 and there my troubles began.

I had referred to article and added the dependency 'spring-boot-starter-validation' to avoid the error:

Error activating Bean Validation integration Caused by: java.lang.NoClassDefFoundError: javax/el/ELManager

But if I keep it, I receive another error

Error 500: org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.ClassCastException: org.apache.el.ExpressionFactoryImpl incompatible with javax.el.ExpressionFactory

Please note that on WAS, I have already ensured local class loading to load first over parent. >

In the administrative console, click Applications > >Application Types > WebSphere enterprise applications > >application_name > Manage modules > webmodule_name. Select Classes loaded with local class loader first (parent >last) from the drop down list.

covener
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Srini M
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2 Answers2

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Issue resolved!!!

After multiple attempts, I finally used and this fixed my issue:

compile(group: 'javax.el', name: 'javax.el-api', version: '3.0.0')

instead of below mentioned in article

compile(group: 'org.springframework.boot', name: 'spring-boot-starter-validation', version: '2.2.1.RELEASE')

End days for Websphere, I felt with the frustration of this issue!

Srini M
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0

Have you tried this on 8.5.5.16 . If I try it I am getting the same catch-22 situation.

if I have it there, I get ClassCastException , if I remove it I get NoClassDefFoundError

user1540821
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