[ https://issues.apache.org/jira/browse/HADOOP-13306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
chillon_m updated HADOOP-13306: ------------------------------- Description: hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer2.java line-705:defineFilter() doesnot check filter if it exists.we need check if it exists before add it. another,No_Cache_Filter added twice when create a HttpServer2 object.I think addDefaultApps() invoke addNoCacheFilter() is unnecessary.because addNoCacheFilter() has already been invoked by createWebAppContext() in httpServer2 constructor method.every request invoke twice cachefilter,maybe affact performance. was: hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer2.java line-705:defineFilter() doesnot check filter if it exists.we need check if it exists before add it. another,No_Cache_Filter added twice when create a HttpServer2 object.I think addDefaultApps() invoke addNoCacheFilter() is unnecessary.because addNoCacheFilter() has already been invoked by createWebAppContext() in httpServer2 constructor method. > add filter doesnot check if it exists in HttpServer > --------------------------------------------------- > > Key: HADOOP-13306 > URL: https://issues.apache.org/jira/browse/HADOOP-13306 > Project: Hadoop Common > Issue Type: Bug > Affects Versions: 2.5.2, 2.7.2, 2.7.3, 2.6.4 > Reporter: chillon_m > Priority: Minor > Attachments: 0001-HADOOP-13306(hadoop2.5.2).patch > > > hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer2.java > line-705:defineFilter() doesnot check filter if it exists.we need check if it > exists before add it. > another,No_Cache_Filter added twice when create a HttpServer2 object.I think > addDefaultApps() invoke addNoCacheFilter() is unnecessary.because > addNoCacheFilter() has already been invoked by createWebAppContext() in > httpServer2 constructor method.every request invoke twice cachefilter,maybe > affact performance. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org