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Posted to common-issues@hadoop.apache.org by "Tsuyoshi Ozawa (JIRA)" <ji...@apache.org> on 2015/03/19 19:21:39 UTC

[jira] [Updated] (HADOOP-11014) Potential resource leak in JavaKeyStoreProvider due to unclosed stream

     [ https://issues.apache.org/jira/browse/HADOOP-11014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsuyoshi Ozawa updated HADOOP-11014:
------------------------------------
    Attachment: HADOOP-11014.4.patch

Attaching a new patch to use try-with-resources statement instead of closeStream.

> Potential resource leak in JavaKeyStoreProvider due to unclosed stream
> ----------------------------------------------------------------------
>
>                 Key: HADOOP-11014
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11014
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Tsuyoshi Ozawa
>            Priority: Minor
>         Attachments: HADOOP-11014.1.patch, HADOOP-11014.2.patch, HADOOP-11014.3.patch, HADOOP-11014.4.patch
>
>
> From hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/JavaKeyStoreProvider.java :
> {code}
>   private void writeToNew(Path newPath) throws IOException {
>     FSDataOutputStream out =
>         FileSystem.create(fs, newPath, permissions);
>     try {
>       keyStore.store(out, password);
>     } catch (KeyStoreException e) {
>       throw new IOException("Can't store keystore " + this, e);
>     } catch (NoSuchAlgorithmException e) {
>       throw new IOException(
>           "No such algorithm storing keystore " + this, e);
>     } catch (CertificateException e) {
>       throw new IOException(
>           "Certificate exception storing keystore " + this, e);
>     }
>     out.close();
> {code}
> IOException is not among the catch blocks.
> According to http://docs.oracle.com/javase/7/docs/api/java/security/KeyStore.html#store(java.io.OutputStream,%20char[]), IOException may be thrown from the store() call. In that case, out would be left unclosed.
> In loadFromPath():
> {code}
>     keyStore.load(fs.open(p), password);
> {code}
> The InputStream should be closed upon return from load()



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