Example usage for org.apache.hadoop.fs.permission FsPermission fromShort

Introduction

In this page you can find the example usage for org.apache.hadoop.fs.permission FsPermission fromShort.

Prototype

public void fromShort(short n) 

Source Link

Usage

From source file:org.elasticsearch.hadoop.HdpBootstrap.java

License:Apache License

/**
 * Hack to allow Hadoop client to run on windows (which otherwise fails due to some permission problem).
 *///from  w w w  . ja v a2  s . c  o m
public static void hackHadoopStagingOnWin() {
    // do the assignment only on Windows systems
    if (TestUtils.isWindows()) {
        // 0655 = -rwxr-xr-x , 0650 = -rwxr-x---
        JobSubmissionFiles.JOB_DIR_PERMISSION.fromShort((short) 0650);
        JobSubmissionFiles.JOB_FILE_PERMISSION.fromShort((short) 0650);

        Field field = null;

        // handle distributed cache permissions on Hadoop < 2.4
        try {
            Class<?> jl = Class.forName("org.apache.hadoop.mapred.JobLocalizer");
            field = ReflectionUtils.findField(jl, "privateCachePerms");

            if (field != null) {
                ReflectionUtils.makeAccessible(field);
                FsPermission perm = (FsPermission) ReflectionUtils.getField(field, null);
                perm.fromShort((short) 0650);
            }
        } catch (ClassNotFoundException cnfe) {
            // ignore
        }

        // handle jar permissions as well - temporarily disable for CDH 4 / YARN
        try {
            Class<?> tdcm = Class.forName("org.apache.hadoop.filecache.TrackerDistributedCacheManager");
            field = ReflectionUtils.findField(tdcm, "PUBLIC_CACHE_OBJECT_PERM");
            ReflectionUtils.makeAccessible(field);
            FsPermission perm = (FsPermission) ReflectionUtils.getField(field, null);
            perm.fromShort((short) 0650);
        } catch (ClassNotFoundException cnfe) {
            //ignore
            return;
        } catch (Exception ex) {
            LogFactory.getLog(TestUtils.class).warn("Cannot set permission for TrackerDistributedCacheManager",
                    ex);
        }
    }
}

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From source file:org.elasticsearch.hadoop.integration.HdpBootstrap.java

License:Apache License

/**
 * Hack to allow Hadoop client to run on windows (which otherwise fails due to some permission problem).
 *///from   w  w w . ja v  a 2 s.c  o m
public static void hackHadoopStagingOnWin() {
    // do the assignment only on Windows systems
    if (TestUtils.isWindows()) {
        // 0655 = -rwxr-xr-x
        JobSubmissionFiles.JOB_DIR_PERMISSION.fromShort((short) 0650);
        JobSubmissionFiles.JOB_FILE_PERMISSION.fromShort((short) 0650);

        // handle jar permissions as well - temporarily disable for CDH 4 / YARN
        try {
            Class<?> tdcm = Class.forName("org.apache.hadoop.filecache.TrackerDistributedCacheManager");
            Field field = ReflectionUtils.findField(tdcm, "PUBLIC_CACHE_OBJECT_PERM");
            ReflectionUtils.makeAccessible(field);
            FsPermission perm = (FsPermission) ReflectionUtils.getField(field, null);
            perm.fromShort((short) 0650);
        } catch (ClassNotFoundException cnfe) {
            //ignore
            return;
        } catch (Exception ex) {
            LogFactory.getLog(TestUtils.class).warn("Cannot set permission for TrackerDistributedCacheManager",
                    ex);
        }
    }
}

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From source file:org.springframework.data.hadoop.util.PermissionUtils.java

License:Apache License

public static void hackHadoopStagingOnWin() {
    // do the assignment only on Windows systems
    if (System.getProperty("os.name").toLowerCase().startsWith("win")) {
        // 0655 = -rwxr-xr-x
        JobSubmissionFiles.JOB_DIR_PERMISSION.fromShort((short) 0650);
        JobSubmissionFiles.JOB_FILE_PERMISSION.fromShort((short) 0650);

        if (trackerDistributedCacheManagerClass != null) {
            // handle jar permissions as well
            Field field = ReflectionUtils.findField(trackerDistributedCacheManagerClass,
                    "PUBLIC_CACHE_OBJECT_PERM");
            ReflectionUtils.makeAccessible(field);
            FsPermission perm = (FsPermission) ReflectionUtils.getField(field, null);
            perm.fromShort((short) 0650);
        }//from  www . j  a v  a2s.  com
    }
}

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