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https://issues.apache.org/jira/browse/KYLIN-3292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16410691#comment-16410691
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ASF subversion and git services commented on KYLIN-3292:
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Commit cfb21d7c97d72c9c4dfc1079b7d147ef8363b2f4 in kylin's branch
refs/heads/master from [~xingpeng1]
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=cfb21d7 ]
KYLIN-3292 The update button should be disabled with none key and value in
setting config dialog (#116)
> The setting config dialog will cause NPE in Kylin server
> --------------------------------------------------------
>
> Key: KYLIN-3292
> URL: https://issues.apache.org/jira/browse/KYLIN-3292
> Project: Kylin
> Issue Type: Bug
> Components: Web
> Affects Versions: v2.4.0
> Reporter: Peng Xing
> Assignee: Peng Xing
> Priority: Minor
> Attachments: Set_config_null.png
>
>
> Open the 'Set Config' dialog, when the default key and value are null, the
> update button should be disabled, please refer to the attach picture.
> Otherwise it will cause NPE in Kylin server, as follows.
> {code:java}
> java.lang.NullPointerException
> at
> java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
> at
> java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988)
> at
> org.apache.kylin.common.BackwardCompatibilityConfig.check(BackwardCompatibilityConfig.java:91)
> at
> org.apache.kylin.common.KylinConfigBase.setProperty(KylinConfigBase.java:197)
> at
> org.apache.kylin.rest.service.AdminService.updateConfig(AdminService.java:87)
> at
> org.apache.kylin.rest.service.AdminService$$FastClassBySpringCGLIB$$e043a6d8.invoke(<generated>)
> at
> org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
> at
> org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
> at
> org.springframework.security.access.intercept.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:69)
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
> at
> org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)
> at
> org.apache.kylin.rest.service.AdminService$$EnhancerBySpringCGLIB$$f1977d91.updateConfig(<generated>)
> at
> org.apache.kylin.rest.controller.AdminController.updateKylinConfig(AdminController.java:106)
> {code}
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