Ted Yu created YARN-2707:
----------------------------
Summary: Potential null dereference in FSDownload
Key: YARN-2707
URL: https://issues.apache.org/jira/browse/YARN-2707
Project: Hadoop YARN
Issue Type: Bug
Reporter: Ted Yu
Priority: Minor
Here is related code in call():
{code}
Pattern pattern = null;
String p = resource.getPattern();
if (p != null) {
pattern = Pattern.compile(p);
}
unpack(new File(dTmp.toUri()), new File(dFinal.toUri()), pattern);
{code}
In unpack():
{code}
RunJar.unJar(localrsrc, dst, pattern);
{code}
unJar() would dereference the pattern without checking whether it is null.
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