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https://issues.apache.org/jira/browse/HADOOP-19488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17936852#comment-17936852
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ASF GitHub Bot commented on HADOOP-19488:
-----------------------------------------
sjlee commented on code in PR #7511:
URL: https://github.com/apache/hadoop/pull/7511#discussion_r2003550262
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/RunJar.java:
##########
@@ -333,6 +336,55 @@ public void run() {
}
}
+ static File createWorkDirectory() throws IOException {
+ File tmpDir = new File(System.getProperty("java.io.tmpdir"));
+ ensureDirectory(tmpDir);
+
+ File workDir = Files.createTempDirectory(tmpDir.toPath(), "hadoop-unjar",
+ directoryPermissions()).toFile();
+ ensureDirectory(workDir);
+ return workDir;
+ }
+
+ private static FileAttribute<?> directoryPermissions() throws IOException {
+ Set<String> views = FileSystems.getDefault().supportedFileAttributeViews();
+ if (views.contains("posix")) {
+ return PosixFilePermissions
+ .asFileAttribute(PosixFilePermissions.fromString("rwx------"));
+ } else if (views.contains("acl")) {
+ return userOnly();
+ } else {
Review Comment:
One can also check that is the case at least from the OpenJDK source.
> RunJar throws UnsupportedOperationException on Windows
> ------------------------------------------------------
>
> Key: HADOOP-19488
> URL: https://issues.apache.org/jira/browse/HADOOP-19488
> Project: Hadoop Common
> Issue Type: Bug
> Components: hadoop-common
> Affects Versions: 3.4.1
> Environment: Windows
> Reporter: Sangjin Lee
> Assignee: Sangjin Lee
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.0
>
> Attachments: windows-successful-test-run.txt,
> windows-test-failures-run.txt
>
>
> On Windows, run {{hadoop jar}} (with any jar). One immediately gets the
> following exception:
> {code}
> Exception in thread "main" java.lang.UnsupportedOperationException:
> 'posix:permissions' not supported as initial attribute
> at
> java.base/sun.nio.fs.WindowsSecurityDescriptor.fromAttribute(WindowsSecurityDescriptor.java:358)
> at
> java.base/sun.nio.fs.WindowsFileSystemProvider.createDirectory(WindowsFileSystemProvider.java:497)
> at java.base/java.nio.file.Files.createDirectory(Files.java:690)
> at java.base/java.nio.file.TempFileHelper.create(TempFileHelper.java:135)
> at
> java.base/java.nio.file.TempFileHelper.createTempDirectory(TempFileHelper.java:172)
> at java.base/java.nio.file.Files.createTempDirectory(Files.java:966)
> at org.apache.hadoop.util.RunJar.run(RunJar.java:296)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:245)
> {code}
> I'm running Windows 11 with OpenJDK 11.0.26.
> This bug does not exist in 3.3.6.
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