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<div><br></div><div>Hi all,</div><div><br></div><div>Any ideas? Thanks<span class="Apple-style-span" style="font-size: 13.2px; "> in advanced.</span></div><div><br></div><div><meta http-equiv="content-type" content="text/html; charset=utf-8"><span class="Apple-style-span" style="font-size: 13.2px; ">---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------</span></div><div><span class="Apple-style-span" style="font-size: 13.2px; "></span><meta http-equiv="content-type" content="text/html; charset=utf-8"><span class="Apple-style-span" style="font-size: 13.2px; ">---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------</span></div><div><span class="Apple-style-span" style="font-size: 13.2px; "></span><br>
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Hi all,<div style="background-image:initial;background-attachment:initial;background-color:rgb(255, 255, 191);border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;border-style:initial;border-color:initial;color:rgb(0, 0, 0);margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;font-family:arial, sans-serif;font-size:13px;font-style:normal;font-variant:normal;font-weight:normal;height:auto;line-height:normal;text-align:left;width:auto;direction:ltr;z-index:99995;background-position:initial initial;background-repeat:initial initial"></div><div><br></div><div>I installed rrdtool in a Centos 5.5 server , the rrdtool is accessed by a Java program through a socket:</div><div><br></div><div><br></div><div><div> SocketAddress sa = new InetSocketAddress(config.getRrdServiceHost(), config.getRrdServicePort());</div><div> Socket socket = new Socket();</div></div><div><div> BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));</div><div> PrintWriter out = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));</div></div><div><div> String command = StringUtils.join(new String[]{</div><div> "create", rrdFileRel,</div><div> "--start", Long.toString(timestamp - config.getStartTimeOffset()),</div><div> "--step", "300",</div><div> "DS:ds0:" + type + ":900:U:U",</div><div> "RRA:AVERAGE:0.5:1:8640", // 1 month of real values (30d/300s=8640)</div></div><div><br></div><div><br></div><div>And the reply is read like this:</div><div><div> out.println(command);</div><div> out.flush();</div><div> response = in.readLine();</div><div><br></div><div><br></div><div>The snippet above works most of the time, but for some reason after some dozens of graphics are generated the RRDTOOL closes unexpectedly the sockets it get invoked through, I alredy took a TCP-dump and it can observed hot the RRDTOOL is invoked successfully many times but unexpectedly closes the connection:</div><div><br></div><div><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse">create file:mycounter13180/stats.mycom.rrd --start 1286986228 --step 300 DS:ds0:ABSOLUTE:900:U:U ...</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse">Reply:</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse">OK u:0.00 s:0.01 r:0.01</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse">But the last invocation fails:</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse">create file:anothercounter13180/stats.mycom.rrd --start 1286986228 --step 300 DS:ds0:ABSOLUTE:900:U:U ...<br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse">Reply:</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse">none</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse">Thus, the socket suddenly gets closed.</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse">ERROR 2010-10-13 12:10:39,126 [ ] [stat-runner-1] com.colibria.imps.statistics.service.StatisticsService.run - Failed to read stat from imps nodes</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse">java.net.SocketException: Connection reset</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> at java.net.SocketInputStream.read(Unknown Source)</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> at sun.nio.cs.StreamDecoder.readBytes(Unknown Source)</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> at sun.nio.cs.StreamDecoder.implRead(Unknown Source)</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> at sun.nio.cs.StreamDecoder.read(Unknown Source)</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> at java.io.InputStreamReader.read(Unknown Source)</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> at java.io.BufferedReader.fill(Unknown Source)</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> at java.io.BufferedReader.readLine(Unknown Source)</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> at java.io.BufferedReader.readLine(Unknown Source)</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"><br></span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> at com.colibria.imps.statistics.service.StatisticsService.createRrdFile(StatisticsService.java:357)</span><span class="ecxApple-style-span" style="font-family:Arial, sans-serif;font-size:12px;border-collapse:collapse"> </span></div><div><br></div></div><div>Please assist, thanks in advanced.</div><div><br></div><div>///RGB</div><div><br></div><div><br></div>
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