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https://issues.apache.org/jira/browse/SOLR-8033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14972671#comment-14972671
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Erick Erickson commented on SOLR-8033:
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[~songwang] It's pretty easy, assuming you have subversion on your machine,
just switch to the base directory (the parent of solr) and type:
svn diff > SOLR-8033.patch
If you have an IDE, there's usually a "vcs" menu and an option to create a
patch.
There's lots of detail here:
https://wiki.apache.org/solr/HowToContribute#Generating_a_patch
> useless if branch (commented out log.debug in HdfsTransactionLog constructor)
> -----------------------------------------------------------------------------
>
> Key: SOLR-8033
> URL: https://issues.apache.org/jira/browse/SOLR-8033
> Project: Solr
> Issue Type: Improvement
> Affects Versions: 5.0, 5.1
> Reporter: songwanging
> Assignee: Christine Poerschke
> Priority: Minor
>
> In method HdfsTransactionLog() of class HdfsTransactionLog
> (solr\core\src\java\org\apache\solr\update\HdfsTransactionLog.java)
> The if branch presented in the following code snippet performs no actions, we
> should add more code to handle this or directly delete this if branch.
> HdfsTransactionLog(FileSystem fs, Path tlogFile, Collection<String>
> globalStrings, boolean openExisting) {
> ...
> try {
> if (debug) {
> //log.debug("New TransactionLog file=" + tlogFile + ", exists=" +
> tlogFile.exists() + ", size=" + tlogFile.length() + ", openExisting=" +
> openExisting);
> }
> ...
> }
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