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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
Dylan, There is something not quite right the configuration of your linux machine. I suspect the /etc/hosts file is not kosher and a host name of coconut.meas.ncsu is suspect. See here for more information: http://stackoverflow.com/questions/4969156/error-java-net-unknownhostexception Best, Unidata IDV Support > Sorry again for the delay! I have just gotten back into the office from > being a little sick. Here are the results of that: > > [jdwhite5@coconut IDV_5.0u2]$ ./jre/bin/java -client -cp ./idv.jar > ucar.unidata.idv.IdvCommandLinePrefs > Feb 04, 2015 2:49:18 PM net.sf.ehcache.Cache <clinit> > SEVERE: Unable to set localhost. This prevents creation of a GUID. Cause > was: coconut.meas.ncsu: coconut.meas.ncsu: Name or service not known > java.net.UnknownHostException: coconut.meas.ncsu: coconut.meas.ncsu: Name > or service not known > at java.net.InetAddress.getLocalHost(Unknown Source) > at net.sf.ehcache.Cache.<clinit>(Cache.java:214) > at > net.sf.ehcache.config.ConfigurationHelper.createCache(ConfigurationHelper.java:296) > at > net.sf.ehcache.config.ConfigurationHelper.createDefaultCache(ConfigurationHelper.java:219) > at net.sf.ehcache.CacheManager.configure(CacheManager.java:722) > at net.sf.ehcache.CacheManager.doInit(CacheManager.java:439) > at net.sf.ehcache.CacheManager.init(CacheManager.java:377) > at net.sf.ehcache.CacheManager.<init>(CacheManager.java:259) > at net.sf.ehcache.CacheManager.newInstance(CacheManager.java:1037) > at net.sf.ehcache.CacheManager.newInstance(CacheManager.java:936) > at net.sf.ehcache.CacheManager.create(CacheManager.java:904) > at ucar.unidata.xml.XmlEncoder.<clinit>(XmlEncoder.java:429) > at > ucar.unidata.idv.IdvCommandLinePrefs.getPrefMap(IdvCommandLinePrefs.java:262) > at > ucar.unidata.idv.IdvCommandLinePrefs.main(IdvCommandLinePrefs.java:113) > Caused by: java.net.UnknownHostException: coconut.meas.ncsu: Name or > service not known > at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) > at java.net.InetAddress$1.lookupAllHostAddr(Unknown Source) > at java.net.InetAddress.getAddressesFromNameService(Unknown Source) > ... 14 more > > idv_ui_showquitconfirm="true" > idv_maxpermgensize="128" > help_helptip_Index="0" > idv_memory="2753" > > > address@hidden> wrote: > > > Dylan, > > > > Please do another test for me. > > > > cd to /home/[username]/IDV_5.0u2 > > > > or where you installed the IDV > > > > and run > > > > jre/bin/java -client -cp ./idv.jar ucar.unidata.idv.IdvCommandLinePrefs > > > > > > What is the result? Copy and paste it and send it to us. > > > > Best, > > > > Unidata IDV Support > > > > > The hostname is "coconut.meas.ncsu". If I need to continue to move the > > > directory, that isn't a problem, as long as that doesn't cause an issue > > or > > > anything. Thanks for looking into this! > > > > > > > > > address@hidden> wrote: > > > > > > > Dylan, > > > > > > > > I cannot find anything obviously wrong with your .unidata folder. > > > > > > > > This is a shot in the dark, but out of curiosity what is the name of > > your > > > > local > > > > linux host machine? > > > > > > > > What does the "hostname" command return? > > > > > > > > Best, > > > > > > > > Unidata IDV Support > > > > > > > > > The file has been uploaded. Thanks again! > > > > > > > > > > address@hidden> wrote: > > > > > > > > > > > Dylan, > > > > > > > > > > > > Please upload your tar file here: > > > > > > > > > > > > http://motherlode.ucar.edu/repository/alias/idvupload > > > > > > > > > > > > Let us know when it is there and we will take a look at it. > > > > > > > > > > > > Best, > > > > > > > > > > > > Unidata IDV Support > > > > > > > > > > > > > Hi! > > > > > > > > > > > > > > Sorry for the delay. I had to leave to office for the day. > > Also, > > > > Gmail > > > > > > > blocks my upload for the .tar file, so I'm not certain how to > > send > > > > it to > > > > > > > you. > > > > > > > > > > > > > > Thank you again for your assistance! Have a great day, > > > > > > > Dylan > > > > > > > > > > > > > > address@hidden> wrote: > > > > > > > > > > > > > > > Dylan, > > > > > > > > > > > > > > > > Very strange indeed. If you can, please zip up/tar up/archive > > that > > > > > > .unidata > > > > > > > > directory and send it over to us please. > > > > > > > > > > > > > > > > Best, > > > > > > > > > > > > > > > > Unidata IDV Support > > > > > > > > > > > > > > > > > Thank you for the quick response! > > > > > > > > > > > > > > > > > > So, when I do that (I simply copy/pasted your command), the > > > > program > > > > > > > > > successfully opens, and then when I close IDV it gives me the > > > > same > > > > > > error > > > > > > > > as > > > > > > > > > before. I then pasted that command, and it worked again, > > only to > > > > > > have > > > > > > > > the > > > > > > > > > issue again once I closed and reopened IDV. It seems like it > > > > would > > > > > > work > > > > > > > > if > > > > > > > > > I just move the ~/.unidata directory each time, but is there > > > > > > something > > > > > > > > else > > > > > > > > > I can do or that I am missing? > > > > > > > > > > > > > > > > > > Thank you for your help! > > > > > > > > > Dylan > > > > > > > > > > > > > > > > > > address@hidden> wrote: > > > > > > > > > > > > > > > > > > > Dylan, > > > > > > > > > > > > > > > > > > > > Strange. What happens when you quit the IDV and try to > > move the > > > > > > > > ~/.unidata > > > > > > > > > > directory out of the way? > > > > > > > > > > > > > > > > > > > > (e.g, mv ~/.unidata ~/unidata.bak) > > > > > > > > > > > > > > > > > > > > Restart the IDV after the directory move. What happens? > > > > > > > > > > > > > > > > > > > > Also make sure your Internet connection is working. > > > > > > > > > > > > > > > > > > > > Best, > > > > > > > > > > > > > > > > > > > > Unidata IDV Support > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hello! > > > > > > > > > > > > > > > > > > > > > > I keep having this issue. I installed IDV on the machine > > > > and it > > > > > > ran > > > > > > > > once > > > > > > > > > > > just fine. I closed it, and then this occurred when I > > tried > > > > to > > > > > > run > > > > > > > > it a > > > > > > > > > > > few hours later. I've restarted the machine, > > uninstalled and > > > > > > > > > > reinstalled, > > > > > > > > > > > and I still have this issue. Is this familiar to you > > all? > > > > > > > > > > > > > > > > > > > > > > [jdwhite5@coconut Downloads]$ ls > > > > > > > > > > > idv_5_0u2_linux64_installer.sh > > > > > > > > > > > [jdwhite5@coconut Downloads]$ sh > > > > > > idv_5_0u2_linux-64_installer.sh -q > > > > > > > > > > > sh: idv_5_0u2_linux-64_installer.sh: No such file or > > > > directory > > > > > > > > > > > [jdwhite5@coconut Downloads]$ sh > > > > idv_5_0u2_linux64_installer.sh > > > > > > -q > > > > > > > > > > > Unpacking JRE ... > > > > > > > > > > > Preparing JRE ... > > > > > > > > > > > Starting Installer ... > > > > > > > > > > > The installation directory has been set to > > > > > > /home/jdwhite5/IDV_5.0u2. > > > > > > > > > > > Extracting files ... > > > > > > > > > > > Finishing installation ... > > > > > > > > > > > [jdwhite5@coconut Downloads]$ cd ../IDV* > > > > > > > > > > > [jdwhite5@coconut IDV_5.0u2]$ runIDV > > > > > > > > > > > ./runIDV: eval: line 69: syntax error near unexpected > > token > > > > > > `newline' > > > > > > > > > > > ./runIDV: eval: line 69: `Jan 26, 2015 12:58:15 PM > > > > > > > > net.sf.ehcache.Cache > > > > > > > > > > > <clinit>' > > > > > > > > > > > ./runIDV: line 69: warning: syntax errors in . or eval > > will > > > > cause > > > > > > > > future > > > > > > > > > > > versions of the shell to abort as Posix requires > > > > > > > > > > > IDV failed to start. Please contact > > > > address@hidden > > > > > > > > > > > > > > > > > > > > > > Thanks! Have a great day, > > > > > > > > > > > *Dylan White* > > > > > > > > > > > Ph.D. Candidate, Atmospheric Sciences > > > > > > > > > > > N.C. State University > > > > > > > > > > > B.S. Physics & B.S. Mathematics > > > > > > > > > > > Cell: 704.914.7737 > > > > > > > > > > > > > > > > > > > > > > "In my walks, every man I meet is my superior in some > > way, > > > > and in > > > > > > > > that I > > > > > > > > > > > learn from him." - Ralph Waldo Emerson > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Ticket Details > > > > > > > > > > =================== > > > > > > > > > > Ticket ID: CBS-743450 > > > > > > > > > > Department: Support IDV > > > > > > > > > > Priority: Normal > > > > > > > > > > Status: Closed > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > > *Dylan White* > > > > > > > > > Ph.D. Candidate, Atmospheric Sciences > > > > > > > > > N.C. State University > > > > > > > > > B.S. Physics & B.S. Mathematics > > > > > > > > > Cell: 704.914.7737 > > > > > > > > > > > > > > > > > > "In my walks, every man I meet is my superior in some way, > > and in > > > > > > that I > > > > > > > > > learn from him." - Ralph Waldo Emerson > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Ticket Details > > > > > > > > =================== > > > > > > > > Ticket ID: CBS-743450 > > > > > > > > Department: Support IDV > > > > > > > > Priority: Normal > > > > > > > > Status: Closed > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > *Dylan White* > > > > > > > Ph.D. Candidate, Atmospheric Sciences > > > > > > > N.C. State University > > > > > > > B.S. Physics & B.S. Mathematics > > > > > > > Cell: 704.914.7737 > > > > > > > > > > > > > > "In my walks, every man I meet is my superior in some way, and in > > > > that I > > > > > > > learn from him." - Ralph Waldo Emerson > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Ticket Details > > > > > > =================== > > > > > > Ticket ID: CBS-743450 > > > > > > Department: Support IDV > > > > > > Priority: Normal > > > > > > Status: Open > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > *Dylan White* > > > > > Ph.D. Candidate, Atmospheric Sciences > > > > > N.C. State University > > > > > B.S. Physics & B.S. Mathematics > > > > > Cell: 704.914.7737 > > > > > > > > > > "In my walks, every man I meet is my superior in some way, and in > > that I > > > > > learn from him." - Ralph Waldo Emerson > > > > > > > > > > > > > > > > > > > > > > Ticket Details > > > > =================== > > > > Ticket ID: CBS-743450 > > > > Department: Support IDV > > > > Priority: Normal > > > > Status: Open > > > > > > > > > > > > > > > > > -- > > > *Dylan White* > > > Ph.D. Candidate, Atmospheric Sciences > > > N.C. State University > > > B.S. Physics & B.S. Mathematics > > > Cell: 704.914.7737 > > > > > > "In my walks, every man I meet is my superior in some way, and in that I > > > learn from him." - Ralph Waldo Emerson > > > > > > > > > > > > Ticket Details > > =================== > > Ticket ID: CBS-743450 > > Department: Support IDV > > Priority: Normal > > Status: Closed > > > > > > > -- > *Dylan White* > Ph.D. Candidate, Atmospheric Sciences > N.C. State University > B.S. Physics & B.S. Mathematics > Cell: 704.914.7737 > > "In my walks, every man I meet is my superior in some way, and in that I > learn from him." - Ralph Waldo Emerson > > Ticket Details =================== Ticket ID: CBS-743450 Department: Support IDV Priority: Normal Status: Closed