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<p class="MsoNormal"><span style="color:black">Dear all,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">We are having more problems harvesting data from Twitter. We had a harvest with 612 Twitter account URLs scheduled for the morning, but we always received a 429 error. We changed that harvest to 9:00 PM, but now
that job is not able to finish. None of the 3 tests we have launched has worked: they all return a generic error:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:2.4pt;margin-right:0cm;margin-bottom:2.4pt;margin-left:0cm;background:white">
<span style="font-size:9.0pt;font-family:"Courier New";color:black;mso-fareast-language:ES">dk.netarkivet.common.exceptions.IOFailure: Unknown error during communication with heritrix3<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:2.4pt;margin-right:0cm;margin-bottom:2.4pt;margin-left:0cm;background:white">
<span style="font-size:9.0pt;font-family:"Courier New";color:black;mso-fareast-language:ES"> at dk.netarkivet.harvester.heritrix3.controller.HeritrixController.cleanup(HeritrixController.java:355)<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:2.4pt;margin-right:0cm;margin-bottom:2.4pt;margin-left:0cm;background:white">
<span style="font-size:9.0pt;font-family:"Courier New";color:black;mso-fareast-language:ES"> at dk.netarkivet.harvester.heritrix3.controller.HeritrixLauncher.doCrawl(HeritrixLauncher.java:128)<o:p></o:p></span></p>
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<span style="font-size:9.0pt;font-family:"Courier New";color:black;mso-fareast-language:ES"> at dk.netarkivet.harvester.heritrix3.HarvestJob.runHarvest(HarvestJob.java:102)<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:2.4pt;margin-right:0cm;margin-bottom:2.4pt;margin-left:0cm;background:white">
<span style="font-size:9.0pt;font-family:"Courier New";color:black;mso-fareast-language:ES"> at dk.netarkivet.harvester.heritrix3.HarvestControllerServer$HarvesterThread.run(HarvestControllerServer.java:483)<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:2.4pt;margin-right:0cm;margin-bottom:2.4pt;margin-left:0cm;background:white">
<span style="font-size:9.0pt;font-family:"Courier New";color:black;mso-fareast-language:ES">Caused by: java.lang.NullPointerException<o:p></o:p></span></p>
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<span style="font-size:9.0pt;font-family:"Courier New";color:black;mso-fareast-language:ES"> at dk.netarkivet.harvester.heritrix3.controller.HeritrixController.cleanup(HeritrixController.java:312)<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:2.4pt;margin-right:0cm;margin-bottom:2.4pt;margin-left:0cm;background:white">
<span style="font-size:9.0pt;font-family:"Courier New";color:black;mso-fareast-language:ES"> ... 3 more<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">As I won't be able to attend the meeting next week, I wanted to ask if you have any idea what the problem might be, since the error message doesn't provide any information. We have detected that the error occurs
around 4:30 AM.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Thank you very much for your help.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Miguel.<o:p></o:p></span></p>
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