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From "Shaofeng SHI (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KYLIN-3440) Couldn't merge if there is an empty segment
Date Wed, 04 Jul 2018 00:50:00 GMT
Shaofeng SHI created KYLIN-3440:
-----------------------------------

             Summary: Couldn't merge if there is an empty segment
                 Key: KYLIN-3440
                 URL: https://issues.apache.org/jira/browse/KYLIN-3440
             Project: Kylin
          Issue Type: Bug
          Components: Web 
    Affects Versions: v2.4.0, v2.3.1
            Reporter: Shaofeng SHI
         Attachments: 2018-07-04 上午8.42.08.png

I have a cube which has empty segment (actually the segment is not empty, just because the
job counter wasn't fetched). When I try to merge the segments, Kylin reports error, asking
me if I want to continue forcely; When click "yes", the same error be reported. From the http
request, I didn't see the "forceMergeEmptySegment" parameter was set.
{code:java}
org.apache.kylin.rest.exception.InternalErrorException: Empty cube segment found, couldn't
merge unless 'forceMergeEmptySegment' set to true: [20120101000000_20120801000000, 20120801000000_20180701000000]
at org.apache.kylin.rest.controller.CubeController.buildInternal(CubeController.java:416)
at org.apache.kylin.rest.controller.CubeController.rebuild(CubeController.java:366)
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.doInvoke(InvocableHandlerMethod.java:205)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
at org.springframework.web.servlet.FrameworkServlet.doPut(FrameworkServlet.java:883)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:653)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
{code}



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