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https://issues.apache.org/jira/browse/FLINK-4659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15580919#comment-15580919
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Ted Yu commented on FLINK-4659:
-------------------------------

Please go ahead.

> Potential resource leak due to unclosed InputStream in 
> SecurityContext#populateSystemSecurityProperties()
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-4659
>                 URL: https://issues.apache.org/jira/browse/FLINK-4659
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Priority: Minor
>
> {code}
>                 try {
>                         Path jaasConfPath = 
> Files.createTempFile(JAAS_CONF_FILENAME, "");
>                         InputStream jaasConfStream = 
> SecurityContext.class.getClassLoader().getResourceAsStream(JAAS_CONF_FILENAME);
>                         Files.copy(jaasConfStream, jaasConfPath, 
> StandardCopyOption.REPLACE_EXISTING);
>                         jaasConfFile = jaasConfPath.toFile();
>                         jaasConfFile.deleteOnExit();
>                 } catch (IOException e) {
>                         throw new RuntimeException("SASL auth is enabled for 
> ZK but unable to " +
> {code}
> jaasConfStream should be closed in finally block.



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