Riak crashing with using Java client.

Mark Phillips mark at basho.com
Wed Mar 9 15:55:50 EST 2011


There is also some ulimit info on the Riak wiki.

http://wiki.basho.com/Open-Files-Limit.html

Mark



On Wed, Mar 9, 2011 at 12:50 PM, Sylvain Niles <sylvain.niles at gmail.com> wrote:
> Your ulimit is only 256 so if riak tries to open a new file handler for your
> connection and is denied by the OS then it will refuse the connection.
> Here's a basic rundown on ulimit:
> http://www.linuxhowtos.org/Tips%20and%20Tricks/ulimit.htm
> Hope this helps.
> -Sylvain
>
> On Wed, Mar 9, 2011 at 12:47 PM, Marko Rodriguez <okrammarko at gmail.com>
> wrote:
>>
>> Hello,
>>
>> My name is Marko. I'm new to this list.
>>
>> I don't know how to express my problem because it happens randomly :( ....
>> In short, I believe that
>> plainClient.listBucket("bucket").getKeys().iterator() causes Riak to
>> shutdown and deny connections (stack trace below).
>>
>> marko:~/Desktop/riak-0.14.0$ ./bin/riak ping
>> !!!!
>> !!!! WARNING: ulimit -n is 256; 1024 is the recommended minimum.
>> !!!!
>> Node 'riak at 127.0.0.1' not responding to pings.
>>
>>
>> Perhaps its a out of memory issue ---- I was hoping that the iterator() of
>> getKeys() was lazy---is it?
>>
>> Thank you,
>> Marko.
>>
>> http://markorodriguez.com
>>
>> ------------------------------------
>>
>> Caused by: com.basho.riak.client.plain.RiakIOException:
>> java.net.ConnectException: Connection refused
>>        at
>> com.basho.riak.client.plain.ConvertToCheckedExceptions.handle(ConvertToCheckedExceptions.java:34)
>>        at
>> com.basho.riak.client.util.ClientHelper.toss(ClientHelper.java:295)
>>        at
>> com.basho.riak.client.util.ClientHelper.executeMethod(ClientHelper.java:390)
>>        at
>> com.basho.riak.client.util.ClientHelper.executeMethod(ClientHelper.java:399)
>>        at
>> com.basho.riak.client.util.ClientHelper.store(ClientHelper.java:168)
>>        at com.basho.riak.client.RiakClient.store(RiakClient.java:238)
>>        at com.basho.riak.client.RiakClient.store(RiakClient.java:243)
>>        ... 3 more
>> Caused by: java.net.ConnectException: Connection refused
>>        at java.net.PlainSocketImpl.socketConnect(Native Method)
>>        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
>>        at
>> java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
>>        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
>>        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432)
>>        at java.net.Socket.connect(Socket.java:529)
>>        at java.net.Socket.connect(Socket.java:478)
>>        at java.net.Socket.<init>(Socket.java:375)
>>        at java.net.Socket.<init>(Socket.java:249)
>>        at
>> org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:80)
>>        at
>> org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:122)
>>        at
>> org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)
>>        at
>> org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1361)
>>        at
>> org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:387)
>>        at
>> org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
>>        at
>> org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
>>        at
>> org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)
>>        at
>> com.basho.riak.client.util.ClientHelper.executeMethod(ClientHelper.java:372)
>>        ... 8 more
>>
>>
>> _______________________________________________
>> riak-users mailing list
>> riak-users at lists.basho.com
>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
>
>
> _______________________________________________
> riak-users mailing list
> riak-users at lists.basho.com
> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
>
>




More information about the riak-users mailing list