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From srmore <comom...@gmail.com>
Subject Re: java.io.FileNotFoundException when setting up internode_compression
Date Thu, 14 Nov 2013 02:39:56 GMT
Yes it does, the stack trace is in the first thread. I did not try to
create CF (was trying to enable it in cassandra.yaml), I have an existing
CF and wanted to use compression for inter-node communication. When I
enable snappy compression (in yaml) I get the error and cassandra quits. I
figured this might be a snappy issue and nothing to do with cassandra, will
log a bug there.


On Wed, Nov 13, 2013 at 8:01 PM, Aaron Morton <aaron@thelastpickle.com>wrote:

> IIRC there is a test for snappy when the node starts does that log an
> error ?
>
> And / or can you create a CF that uses snappy compression (it was the
> default for a while in 1.2).
>
> Cheers
>
> -----------------
> Aaron Morton
> New Zealand
> @aaronmorton
>
> Co-Founder & Principal Consultant
> Apache Cassandra Consulting
> http://www.thelastpickle.com
>
> On 13/11/2013, at 3:09 am, srmore <comomore@gmail.com> wrote:
>
> Thanks Christopher !
> I don't think glibc is an issue (as it did go that far) /usr/tmp/
> snappy-1.0.5-libsnappyjava.so is not there, permissions look ok, are
> there any special settings (like JVM args) that I should be using ? I can
> see libsnappyjava.so in the jar though
> (snappy-java-1.0.5.jar\org\xerial\snappy\native\Linux\i386\) one other
> thing I am using RedHat 6. I will try updating glibc ans see what happens.
>
> Thanks !
>
>
>
>
> On Mon, Nov 11, 2013 at 5:01 PM, Christopher Wirt <chris.wirt@struq.com>wrote:
>
>> I had this the other day when we were accidentally provisioned a centos5
>> machine (instead of 6). Think it relates to the version of glibc. Notice it
>> wants the native binary .so not the .jar
>>
>>
>>
>> So maybe update to a newer version of glibc? Or possibly make sure the
>> .so exists at /usr/tmp/snappy-1.0.5-libsnappyjava.so?
>>
>> I was lucky and just did an OS reload to centos6.
>>
>>
>>
>> Here is someone having a similar issue.
>>
>>
>> http://mail-archives.apache.org/mod_mbox/cassandra-commits/201307.mbox/%3CJIRA.12616012.1352862646995.6820.1373083550278@arcas%3E
>>
>>
>>
>>
>>
>> *From:* srmore [mailto:comomore@gmail.com]
>> *Sent:* 11 November 2013 21:32
>> *To:* user@cassandra.apache.org
>> *Subject:* java.io.FileNotFoundException when setting up
>> internode_compression
>>
>>
>>
>> I might be missing something obvious here, for some reason I cannot seem
>> to get internode_compression = all to work. I am getting  the following
>> exception. I am using cassandra 1.2.9 and have snappy-java-1.0.5.jar in my
>> classpath. Google search did not return any useful result, has anyone seen
>> this before ?
>>
>>
>> java.io.FileNotFoundException: /usr/tmp/snappy-1.0.5-libsnappyjava.so(No such file
or directory)
>>         at java.io.FileOutputStream.open(Native Method)
>>         at java.io.FileOutputStream.<init>(FileOutputStream.java:194)
>>         at java.io.FileOutputStream.<init>(FileOutputStream.java:145)
>>         at
>> org.xerial.snappy.SnappyLoader.extractLibraryFile(SnappyLoader.java:394)
>>         at
>> org.xerial.snappy.SnappyLoader.findNativeLibrary(SnappyLoader.java:468)
>>         at
>> org.xerial.snappy.SnappyLoader.loadNativeLibrary(SnappyLoader.java:318)
>>         at org.xerial.snappy.SnappyLoader.load(SnappyLoader.java:229)
>>         at org.xerial.snappy.Snappy.<clinit>(Snappy.java:48)
>>         at
>> org.apache.cassandra.io.compress.SnappyCompressor.create(SnappyCompressor.java:45)
>>         at
>> org.apache.cassandra.io.compress.SnappyCompressor.isAvailable(SnappyCompressor.java:55)
>>         at
>> org.apache.cassandra.io.compress.SnappyCompressor.<clinit>(SnappyCompressor.java:37)
>>         at
>> org.apache.cassandra.config.CFMetaData.<clinit>(CFMetaData.java:82)
>>         at
>> org.apache.cassandra.config.KSMetaData.systemKeyspace(KSMetaData.java:81)
>>         at
>> org.apache.cassandra.config.DatabaseDescriptor.loadYaml(DatabaseDescriptor.java:471)
>>         at
>> org.apache.cassandra.config.DatabaseDescriptor.<clinit>(DatabaseDescriptor.java:123)
>>
>> Caused by: java.lang.UnsatisfiedLinkError: no snappyjava in
>> java.library.path
>>         at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1738)
>>         at java.lang.Runtime.loadLibrary0(Runtime.java:823)
>>         at java.lang.System.loadLibrary(System.java:1028)
>>         at
>> org.xerial.snappy.SnappyNativeLoader.loadLibrary(SnappyNativeLoader.java:52)
>>         ... 18 more
>>
>
>
>

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