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From "Joseph L Howard (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-2897) Thrift proxy in Accumulo throws out of memory error on malformed request
Date Fri, 13 Jun 2014 00:09:03 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14030064#comment-14030064
] 

Joseph L Howard commented on ACCUMULO-2897:
-------------------------------------------

{code}
final long maxFrameSize = AccumuloConfiguration.getMemoryInBytes(properties.getProperty("maxFrameSize",
"16M"));
final long maxMessageSize = AccumuloConfiguration.getMemoryInBytes(properties.getProperty("maxMessageSize",
"16M"));
    if (maxFrameSize > Integer.MAX_VALUE)
      throw new RuntimeException(maxFrameSize + " - FrameSize is larger than MAX_INT");

args.maxReadBufferBytes = Math.min(maxMessageSize,maxFrameSize);

{/code}

> Thrift proxy in Accumulo throws out of memory error on malformed request
> ------------------------------------------------------------------------
>
>                 Key: ACCUMULO-2897
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2897
>             Project: Accumulo
>          Issue Type: Bug
>          Components: proxy
>    Affects Versions: 1.6.0
>         Environment: Oracle Java 1.7.0_60, Accumulo 1.6, Hadoop 2.2 Zookeeper on Centos
>            Reporter: Joseph L Howard
>              Labels: Accumulo, Memory, Proxy, Thrift, error
>   Original Estimate: 120h
>  Remaining Estimate: 120h
>
> Thrift libraries have a well known Jira problem where malformed requests (e.g. curl)
throw an Out of memory error on malformed requests. Length limit checks (possibly JIRA THRIFT-2572
issue Add string/collection length limit checks (from C++) to java.) 
> This is likely TBinaryProtocol. 
> ----------------------------------------------------------------------
> Replicating the issue: 
> 1) start Accumulo proxy "./accumulo proxy -p ../proxy/proxy.properties 
> 2) curl -get localhost:proxyport "Hi"
> Proxy will crash with OOM. 



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