This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Hi Felix,Interesting. A restart of the tomcat server has seemed to fix the problem, although I am noticing the restarted server does seem very busy. I'll keep looking.
Brian Felix Terkhorn wrote:
I did some poking around and found interesting output in the address@hidden logs (/tomcat/logs/catalina.out) on leadservThe log is pretty noisy, but I'm excerpting some of the juicy below. Best regards, Felix <snip> Error Grib 1 record in Grib2 file java.lang.OutOfMemoryError: Java heap space <snip>DODServlet ERROR (anyExceptionHandler): java.lang.OutOfMemoryError: Java heap spaceReqState: serverClassName: 'thredds.server.opendap.NcDODSServlet'dataSet: 'LEAD/model/NCEP/LEADNAM/2008100518/nam40grb2.2008100518f60'requestSuffix: 'html' CE: '' compressOK: true InitParameters: DebugOn: '' <snip>2009-02-28T07:58:05.493 -0700 [ 142684369][ 2448832] WARN - thredds.servlet.CatalogServicesServlet - Cant find dataset=NCEP/NAM/CONUS_20km/noaaport/NAM_CONUS_20km_noaaport_20081218_0600.grib1 in catalog=http://lead.unidata.ucar.edu:8080/thredds/catalog/model/NCEP/NAM/CONUS_20km/noaaport/catalog.xmlError Grib 1 record in Grib2 file2009-02-28T07:59:57.999 -0700 [ 142796875][ 2297860] ERROR - thredds.server.opendap.NcDODSServlet - Errorjava.lang.OutOfMemoryError: Java heap space2009-02-28T08:00:01.852 -0700 [ 142800728][ 2448788] ERROR - thredds.server.ncSubset.GridServlet - GridServlet.showFormClientAbortException: java.net.SocketException: Broken pipeat org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:358)at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:354)at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:381)at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:370)at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89)at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:83)at thredds.server.ncSubset.GridServlet.showForm(GridServlet.java:461)at thredds.server.ncSubset.GridServlet.doGet(GridServlet.java:125) at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:517)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)at java.lang.Thread.run(Thread.java:619) Caused by: java.net.SocketException: Broken pipe at java.net.SocketOutputStream.socketWrite0(Native Method)at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)at java.net.SocketOutputStream.write(SocketOutputStream.java:136)at org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:764)at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:118)at org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:570)at org.apache.coyote.Response.doWrite(Response.java:560)at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:353)... 23 more <snip> Terkhorn, Felix M wrote:Hi Brian and Mike, THREDDS team,It looks like Unidata LEAD THREDDS server at http://lead.unidata.ucar.edu:8080/thredds/lead/leadcatalog.html is not responding again.In addition to being unable to access the web frontend, our indexing tool is not able to crosswalk data products Can you please check into it?Thanks, Felix _______________________________________________ iu-lead-dev mailing list address@hidden http://mailman.cs.indiana.edu/mailman/listinfo/iu-lead-dev