[jira] [Updated] (FLUME-2753) Error when specifying empty replace string in Search and Replace Interceptor

["Johny Rufus (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLUME-2753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Johny Rufus updated FLUME-2753:
-------------------------------
    Attachment: FLUME-2753.patch

This change will assign Empty string ""  as the replacement String when the configuration for replacement String is absent or is configured as 
a1.sources.avroSrc.interceptors.search-replace.replaceString =

> Error when specifying empty replace string in Search and Replace Interceptor
> ----------------------------------------------------------------------------
>
>                 Key: FLUME-2753
>                 URL: https://issues.apache.org/jira/browse/FLUME-2753
>             Project: Flume
>          Issue Type: Bug
>            Reporter: Johny Rufus
>            Assignee: Johny Rufus
>         Attachments: FLUME-2753.patch
>
>
> The user guide specifies that the following configuration
> a1.sources.avroSrc.interceptors.search-replace.replaceString =
> will replace the search pattern with an empty string, but the following error is observed and there is no way to specify an empty replace string
> java.lang.NullPointerException: Must supply a replacement string replaceString (empty is ok)
>         at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:204)
>         at org.apache.flume.interceptor.SearchAndReplaceInterceptor$Builder.configure(SearchAndReplaceInterceptor.java:108)
>         at org.apache.flume.channel.ChannelProcessor.configureInterceptors(ChannelProcessor.java:110)
> We need to modify the SearchAndReplaceInterceptor to accept null values for replacement string and use empty string in that case



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