[jira] [Updated] (RAT-162) CDDL1License.matches slow with large inputs

["Andrew Gaul (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/RAT-162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Gaul updated RAT-162:
----------------------------

    Attachment: RAT-162.patch

> CDDL1License.matches slow with large inputs
> -------------------------------------------
>
>                 Key: RAT-162
>                 URL: https://issues.apache.org/jira/browse/RAT-162
>             Project: Apache Rat
>          Issue Type: Improvement
>    Affects Versions: 0.10
>            Reporter: Andrew Gaul
>             Fix For: 0.11
>
>         Attachments: RAT-162.patch
>
>
> mvn apache-rat:check runs slowly with large files.  I accidentally had a 100 MB log file which took over a minute to for RAT to parse.  The stack trace included: 
> {noformat}
> "main" prio=10 tid=0x00007f322800a000 nid=0x6730 runnable [0x00007f3230235000]
>    java.lang.Thread.State: RUNNABLE
>         at java.util.regex.Pattern$Curly.match0(Pattern.java:4166)
>         at java.util.regex.Pattern$Curly.match(Pattern.java:4132)
>         at java.util.regex.Pattern$Start.match(Pattern.java:3408)
>         at java.util.regex.Matcher.search(Matcher.java:1199)
>         at java.util.regex.Matcher.find(Matcher.java:592)
>         at org.apache.rat.analysis.license.CDDL1License.matches(CDDL1License.java:65)
>         at org.apache.rat.analysis.license.SimplePatternBasedLicense.match(SimplePatternBasedLicense.java:69)
> {noformat}
> I attached a patch which caches the Patterns in CDDL1License works around this issue.



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