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https://issues.apache.org/jira/browse/ZOOKEEPER-2227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14877221#comment-14877221
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Arshad Mohammad commented on ZOOKEEPER-2227:
--------------------------------------------
IMHO, smtk interface complexity can be avoided with proper handling at the
server side. Here is code snippet what i am suggesting
{code}
incomingBuffer = ByteBuffer.allocate(8);
int rc = sock.read(incomingBuffer);
if (rc < 0) {
throw new IOException("Read error");
}
incomingBuffer.flip();
byte[] inputBytes=new byte[rc];
incomingBuffer.get(inputBytes);
String inputString=new String(inputBytes);
long traceMask = Long.parseLong(inputString.trim());
ZooTrace.setTextTraceLevel(traceMask);
{code}
> stmk four-letter word fails execution at server while reading trace mask
> argument.
> ----------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-2227
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2227
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.3.0
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Attachments: ZOOKEEPER-2227.001.patch, ZOOKEEPER-2227.002.patch
>
>
> When the server handles the {{stmk}} four-letter word, it attempts to read an
> 8-byte Java {{long}} from the request as the trace mask argument. The read
> fails, because the destination buffer's capacity is only 4 bytes.
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