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From "Nikolai Grigoriev (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-6301) nodetool fails with java.lang.UnsatisfiedLinkError (cannot find libjemalloc.so) when JEMalloc is configured
Date Tue, 05 Nov 2013 18:31:17 GMT
Nikolai Grigoriev created CASSANDRA-6301:
--------------------------------------------

             Summary: nodetool fails with java.lang.UnsatisfiedLinkError (cannot find libjemalloc.so)
when JEMalloc is configured
                 Key: CASSANDRA-6301
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6301
             Project: Cassandra
          Issue Type: Bug
          Components: Tools
         Environment: Linux
Cassandra 2.0.2
libjemalloc.so in /usr/local/lib
            Reporter: Nikolai Grigoriev
            Priority: Trivial


{code}
>/opt/apache-cassandra-2.0.2/bin/nodetool ring
Note: Ownership information does not include topology; for complete information, specify a
keyspace

Datacenter: DC1
==========
Address      Rack        Status State   Load            Owns                Token
                                                                            9208241795664305161
10.3.45.160  r1          Up     Normal  125.88 GB       16.41%              -9222548266947385654
10.3.45.160  r1          Up     Normal  125.88 GB       16.41%              -9177629719965963707
10.3.45.160  r1          Up     Normal  125.88 GB       16.41%              -9039272433194428886
10.3.45.160  r1          Up     Normal  125.88 GB       16.41%              -9037742357058937987
...
Exception in thread "main" java.lang.UnsatisfiedLinkError: Unable to load library 'jemalloc':
libjemalloc.so: cannot open shared object file: No such file or directory
        at com.sun.jna.NativeLibrary.loadLibrary(NativeLibrary.java:164)
        at com.sun.jna.NativeLibrary.getInstance(NativeLibrary.java:237)
        at com.sun.jna.Library$Handler.<init>(Library.java:140)
        at com.sun.jna.Native.loadLibrary(Native.java:375)
        at com.sun.jna.Native.loadLibrary(Native.java:359)
        at org.apache.cassandra.io.util.JEMallocAllocator.<init>(JEMallocAllocator.java:36)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at java.lang.Class.newInstance(Class.java:374)
        at org.apache.cassandra.utils.FBUtilities.construct(FBUtilities.java:488)
        at org.apache.cassandra.utils.FBUtilities.newOffHeapAllocator(FBUtilities.java:438)
        at org.apache.cassandra.config.DatabaseDescriptor.applyConfig(DatabaseDescriptor.java:442)
        at org.apache.cassandra.config.DatabaseDescriptor.<clinit>(DatabaseDescriptor.java:104)
        at org.apache.cassandra.tools.NodeCmd.printRing(NodeCmd.java:286)
        at org.apache.cassandra.tools.NodeCmd.main(NodeCmd.java:1092)
{code}

In my conf/cassandra-env.sh I have:

{code}
# Configure the following for JEMallocAllocator and if jemalloc is not available in the system
# library path (Example: /usr/local/lib/). Usually "make install" will do the right thing.
export LD_LIBRARY_PATH=/usr/local/lib
JVM_OPTS="$JVM_OPTS -Djava.library.path=/usr/local/lib/"
{code}

I believe this file is not sourced by the tools, this is why a tool that might need that library
cannot find it.




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