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From "fengYu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KYLIN-1279) protobuf jar file conflict with other
Date Mon, 04 Jan 2016 05:37:39 GMT
fengYu created KYLIN-1279:
-----------------------------

             Summary: protobuf jar file conflict with other
                 Key: KYLIN-1279
                 URL: https://issues.apache.org/jira/browse/KYLIN-1279
             Project: Kylin
          Issue Type: Bug
    Affects Versions: 2.0
            Reporter: fengYu


I query a sql in kylin-2.0, and error happen, here is the log :
[http-bio-17070-exec-1]:[2016-01-04 13:30:13,488][ERROR][org.apache.kylin.rest.controller.BasicController.handleError(BasicController.java:44)]
- 
org.apache.kylin.rest.exception.InternalErrorException: loader constraint violation: loader
(instance of org/apache/catalina/loader/WebappClassLoader) previously ini
tiated loading for a different type with name "com/google/protobuf/Message"
        at org.apache.kylin.rest.controller.QueryController.doQueryWithCache(QueryController.java:212)
        at org.apache.kylin.rest.controller.QueryController.query(QueryController.java:95)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213)
        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)

I delete protobuf-java-2.5.0.jar file in WEB-INF/lib and restart, it works fine.



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