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https://issues.apache.org/jira/browse/SENTRY-2469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16726608#comment-16726608
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zhaohongtao edited comment on SENTRY-2469 at 12/21/18 10:17 AM:
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Hi， I have fixed this issue , thanks
https://reviews.apache.org/r/69618/
was (Author: hongtaq):
Hi， I have fixed this issue , thanks
https://reviews.apache.org/r/69617/
> Fix bugs in RoleServlet
> -----------------------
>
> Key: SENTRY-2469
> URL: https://issues.apache.org/jira/browse/SENTRY-2469
> Project: Sentry
> Issue Type: Bug
> Components: Sentry
> Affects Versions: 2.2.0
> Reporter: Na Li
> Priority: Major
>
> Fredy found several issues in RoleServlet.java. We need to fix it.
> 1. `RoleServlet` at L62 needs to use either `try` resource or put it in the
> `finally` block to avoid resource leak
> 2. `if (conf.getBoolean(ServerConfig.SENTRY_WEB_ENABLE,
> ServerConfig.SENTRY_WEB_ENABLE_DEFAULT))` may return an NPE if
> `conf.getBoolean` returns a `null` `Boolean` (not the primitive type)
> 3. `RoleServlet` at L45, use `Preconditions.checkNotNull` or
> `Objects.requreNonNull` instead of `assert`
> 4. `RoleServlet` at L55: `String json = new Gson().toJson(roleMap);`, it's
> better to reuse the `Gson` instance.
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