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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4387) libhdfs doesn't work with jamVM
Date Wed, 06 May 2015 03:34:47 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer updated HDFS-4387:
-----------------------------------
    Labels: BB2015-05-TBR  (was: )

> libhdfs doesn't work with jamVM
> -------------------------------
>
>                 Key: HDFS-4387
>                 URL: https://issues.apache.org/jira/browse/HDFS-4387
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: libhdfs
>    Affects Versions: 3.0.0
>            Reporter: Andy Isaacson
>            Priority: Minor
>              Labels: BB2015-05-TBR
>         Attachments: 01.patch
>
>
> Building and running tests on OpenJDK 7 on Ubuntu 12.10 fails with {{mvn test -Pnative}}.
 The output is hard to decipher but the underlying issue is that {{test_libhdfs_native}} segfaults
at startup.
> {noformat}
> (gdb) run
> Starting program: /mnt/trunk/hadoop-hdfs-project/hadoop-hdfs/target/native/test_libhdfs_threaded
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> Program received signal SIGSEGV, Segmentation fault.
> 0x00007ffff739a897 in attachJNIThread (name=0x0, is_daemon=is_daemon@entry=0 '\000',
group=0x0) at thread.c:768
> 768 thread.c: No such file or directory.
> (gdb) where
> #0 0x00007ffff739a897 in attachJNIThread (name=0x0, is_daemon=is_daemon@entry=0 '\000',
group=0x0) at thread.c:768
> #1 0x00007ffff7395020 in attachCurrentThread (is_daemon=0, args=0x0, penv=0x7fffffffddb8)
at jni.c:1454
> #2 Jam_AttachCurrentThread (vm=<optimized out>, penv=0x7fffffffddb8, args=0x0)
at jni.c:1466
> #3 0x00007ffff7bcf979 in getGlobalJNIEnv () at /mnt/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/jni_helper.c:527
> #4 getJNIEnv () at /mnt/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/jni_helper.c:585
> #5 0x0000000000402512 in nmdCreate (conf=conf@entry=0x7fffffffdeb0) at /mnt/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/native_mini_dfs.c:49
> #6 0x00000000004016e1 in main () at /mnt/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/test_libhdfs_threaded.c:283
> {noformat}



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