<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Hey Sean,</div><div class="gmail_default" style="font-family:tahoma,sans-serif">   For us , this seems to be reproducible in production regularly .So we are taking thread dump's for every 10 mins ,all the threads are stuck in sha calculation.BTW we are using SHA512.</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Will something else data help for investigation ?</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Thanks for your quick reply :-)</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Nov 3, 2015 at 5:57 PM, Seán Coffey <span dir="ltr"><<a href="mailto:sean.coffey@oracle.com" target="_blank">sean.coffey@oracle.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
  
    
  
  <div bgcolor="#FFFFFF" text="#000000">
    There isn't much information available in 8067664. The workaround
    appears to be as per the short comment - use buffered I/O.<br>
    <br>
    <i style="color:rgb(0,0,0);font-family:monospace;font-size:medium;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">@ DataOutputStream out
      = new DataOutputStream(new<span> </span></i><span style="color:rgb(0,0,0);font-family:monospace;font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline!important;float:none;background-color:rgb(255,255,255)"></span><br style="color:rgb(0,0,0);font-family:monospace;font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">
    <i style="color:rgb(0,0,0);font-family:monospace;font-size:medium;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">@
      BufferedOutputStream(socket.getOutputStream()));</i><span style="color:rgb(0,0,0);font-family:monospace;font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline!important;float:none;background-color:rgb(255,255,255)"><span> </span></span><br>
    <br>
    Seems like a strange bug for sure. Would be good to get some more
    investigating put into it.<br>
    <pre cols="72">Regards, 
Sean.</pre><div><div class="h5">
    <div>On 03/11/2015 11:40, prem wrote:<br>
    </div>
    <blockquote type="cite">
      <div dir="ltr">
        <div class="gmail_default" style="font-family:tahoma,sans-serif"><br>
        </div>
        <div class="gmail_quote">
          <div dir="ltr">
            <div style="font-family:tahoma,sans-serif"><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:14px;line-height:20px">Hey
                Team , </span></div>
            <div style="font-family:tahoma,sans-serif"><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:14px;line-height:20px"> 
                 We are been stucked with similar kind of issue <a href="https://bugs.openjdk.java.net/browse/JDK-8023983" target="_blank">here</a> in our system after upgrading
                to 1.8 jdk. There is workaround mentioned in comment <a href="https://bugs.openjdk.java.net/browse/JDK-8023983?focusedCommentId=13605529&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13605529" target="_blank">here</a>.But we are not able to view
                the issue </span><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:14px;line-height:20px">JDK-8067664
                <div class="gmail_default" style="font-family:tahoma,sans-serif;display:inline">​
                  , its asking for a login ​</div>
                .</span></div>
            <div style="font-family:tahoma,sans-serif"><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:14px;line-height:20px"><br>
              </span></div>
            <div style="font-family:tahoma,sans-serif"><span style="color:rgb(51,51,51);font-family:sans-serif;font-size:14px;line-height:20px">Please
                help us to view the issue </span></div>
            <div><br>
            </div>
            <br>
            <div>
              <div><font face="'courier new', monospace"><br>
                  Regards,<br>
                  Prem
                  <div style="font-family:tahoma,sans-serif;display:inline">​
                    ,</div>
                </font></div>
              <div><font face="'courier new', monospace">
                  <div style="font-family:tahoma,sans-serif;display:inline">9884111323
                    ​</div>
                </font></div>
            </div>
          </div>
        </div>
        <br>
        <br clear="all">
        <div><br>
        </div>
        -- <br>
        <div>
          <div><font face="'courier new', monospace"><br>
              Regards,<br>
              Prem</font></div>
        </div>
      </div>
    </blockquote>
    <br>
  </div></div></div>

</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div><font face="'courier new', monospace"><br>Regards,<br>Prem</font></div></div>
</div>